From fb56d5c482485de2b28c32b3f89b4cfff4d7989b Mon Sep 17 00:00:00 2001 From: cbalint13 Date: Sat, 11 Apr 2015 12:09:13 +0300 Subject: [PATCH] Squash all BRISK commits into one. --- doc/opencv.bib | 8 + modules/features2d/include/opencv2/features2d.hpp | 53 +- modules/features2d/perf/perf_agast.cpp | 42 + modules/features2d/src/agast.cpp | 7671 ++++++++++++++++ modules/features2d/src/agast_score.cpp | 9375 ++++++++++++++++++++ modules/features2d/src/agast_score.hpp | 62 + modules/features2d/src/brisk.cpp | 45 +- modules/features2d/test/test_agast.cpp | 137 + .../features2d/test/test_detectors_regression.cpp | 6 + modules/features2d/test/test_keypoints.cpp | 6 + 10 files changed, 17384 insertions(+), 21 deletions(-) create mode 100644 modules/features2d/perf/perf_agast.cpp create mode 100644 modules/features2d/src/agast.cpp create mode 100644 modules/features2d/src/agast_score.cpp create mode 100644 modules/features2d/src/agast_score.hpp create mode 100644 modules/features2d/test/test_agast.cpp diff --git a/doc/opencv.bib b/doc/opencv.bib index be53dba..b2e5002 100644 --- a/doc/opencv.bib +++ b/doc/opencv.bib @@ -625,6 +625,14 @@ pages = {430--443}, publisher = {Springer} } +@inproceedings{mair2010_agast, + title={Adaptive and Generic Corner Detection Based on the Accelerated Segment Test"}, + author={"Elmar Mair and Gregory D. Hager and Darius Burschka and Michael Suppa and Gerhard Hirzinger"}, + year={"2010"}, + month={"September"}, + booktitle={"European Conference on Computer Vision (ECCV'10)"}, + url={"http://www6.in.tum.de/Main/ResearchAgast" +} @ARTICLE{Rubner2000, author = {Rubner, Yossi and Tomasi, Carlo and Guibas, Leonidas J}, title = {The earth mover's distance as a metric for image retrieval}, diff --git a/modules/features2d/include/opencv2/features2d.hpp b/modules/features2d/include/opencv2/features2d.hpp index 3d70172..f942c23 100644 --- a/modules/features2d/include/opencv2/features2d.hpp +++ b/modules/features2d/include/opencv2/features2d.hpp @@ -222,7 +222,7 @@ class CV_EXPORTS_W BRISK : public Feature2D public: /** @brief The BRISK constructor - @param thresh FAST/AGAST detection threshold score. + @param thresh AGAST detection threshold score. @param octaves detection octaves. Use 0 to do single scale. @param patternScale apply this scale to the pattern used for sampling the neighbourhood of a keypoint. @@ -408,6 +408,57 @@ public: CV_WRAP virtual int getType() const = 0; }; +/** @overload */ +CV_EXPORTS void AGAST( InputArray image, CV_OUT std::vector& keypoints, + int threshold, bool nonmaxSuppression=true ); + +/** @brief Detects corners using the AGAST algorithm + +@param image grayscale image where keypoints (corners) are detected. +@param keypoints keypoints detected on the image. +@param threshold threshold on difference between intensity of the central pixel and pixels of a +circle around this pixel. +@param nonmaxSuppression if true, non-maximum suppression is applied to detected corners +(keypoints). +@param type one of the four neighborhoods as defined in the paper: +AgastFeatureDetector::AGAST_5_8, AgastFeatureDetector::AGAST_7_12d, +AgastFeatureDetector::AGAST_7_12s, AgastFeatureDetector::OAST_9_16 + +Detects corners using the AGAST algorithm by @cite mair2010_agast . + + */ +CV_EXPORTS void AGAST( InputArray image, CV_OUT std::vector& keypoints, + int threshold, bool nonmaxSuppression, int type ); +//! @} features2d_main + +//! @addtogroup features2d_main +//! @{ + +/** @brief Wrapping class for feature detection using the AGAST method. : + */ +class CV_EXPORTS_W AgastFeatureDetector : public Feature2D +{ +public: + enum + { + AGAST_5_8 = 0, AGAST_7_12d = 1, AGAST_7_12s = 2, OAST_9_16 = 3, + THRESHOLD = 10000, NONMAX_SUPPRESSION = 10001, + }; + + CV_WRAP static Ptr create( int threshold=10, + bool nonmaxSuppression=true, + int type=AgastFeatureDetector::OAST_9_16 ); + + CV_WRAP virtual void setThreshold(int threshold) = 0; + CV_WRAP virtual int getThreshold() const = 0; + + CV_WRAP virtual void setNonmaxSuppression(bool f) = 0; + CV_WRAP virtual bool getNonmaxSuppression() const = 0; + + CV_WRAP virtual void setType(int type) = 0; + CV_WRAP virtual int getType() const = 0; +}; + /** @brief Wrapping class for feature detection using the goodFeaturesToTrack function. : */ class CV_EXPORTS_W GFTTDetector : public Feature2D diff --git a/modules/features2d/perf/perf_agast.cpp b/modules/features2d/perf/perf_agast.cpp new file mode 100644 index 0000000..8e3e82b --- /dev/null +++ b/modules/features2d/perf/perf_agast.cpp @@ -0,0 +1,42 @@ +#include "perf_precomp.hpp" + +using namespace std; +using namespace cv; +using namespace perf; +using std::tr1::make_tuple; +using std::tr1::get; + +enum { AGAST_5_8 = AgastFeatureDetector::AGAST_5_8, AGAST_7_12d = AgastFeatureDetector::AGAST_7_12d, + AGAST_7_12s = AgastFeatureDetector::AGAST_7_12s, OAST_9_16 = AgastFeatureDetector::OAST_9_16 }; +CV_ENUM(AgastType, AGAST_5_8, AGAST_7_12d, + AGAST_7_12s, OAST_9_16) + +typedef std::tr1::tuple File_Type_t; +typedef perf::TestBaseWithParam agast; + +#define AGAST_IMAGES \ + "cv/detectors_descriptors_evaluation/images_datasets/leuven/img1.png",\ + "stitching/a3.png" + +PERF_TEST_P(agast, detect, testing::Combine( + testing::Values(AGAST_IMAGES), + AgastType::all() + )) +{ + string filename = getDataPath(get<0>(GetParam())); + int type = get<1>(GetParam()); + Mat frame = imread(filename, IMREAD_GRAYSCALE); + + if (frame.empty()) + FAIL() << "Unable to load source image " << filename; + + declare.in(frame); + + Ptr fd = AgastFeatureDetector::create(70, true, type); + ASSERT_FALSE( fd.empty() ); + vector points; + + TEST_CYCLE() fd->detect(frame, points); + + SANITY_CHECK_KEYPOINTS(points); +} diff --git a/modules/features2d/src/agast.cpp b/modules/features2d/src/agast.cpp new file mode 100644 index 0000000..01532a5 --- /dev/null +++ b/modules/features2d/src/agast.cpp @@ -0,0 +1,7671 @@ +/* This is AGAST and OAST, an optimal and accelerated corner detector + based on the accelerated segment tests + Below is the original copyright and the references */ + +/* +Copyright (C) 2010 Elmar Mair +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + + *Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + *Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + *Neither the name of the University of Cambridge nor the names of + its contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/* +The references are: + * Adaptive and Generic Corner Detection Based on the Accelerated Segment Test, + Elmar Mair and Gregory D. Hager and Darius Burschka + and Michael Suppa and Gerhard Hirzinger ECCV 2010 + URL: http://www6.in.tum.de/Main/ResearchAgast +*/ + +#include "precomp.hpp" +#include "agast_score.hpp" + +#ifdef _WIN32 +#pragma warning( disable : 4127 ) +#endif + +namespace cv +{ + +static void AGAST_5_8(InputArray _img, std::vector& keypoints, int threshold) +{ + + cv::Mat img; + if(!_img.getMat().isContinuous()) + img = _img.getMat().clone(); + else + img = _img.getMat(); + + size_t total = 0; + int xsize = img.cols; + int ysize = img.rows; + size_t nExpectedCorners = keypoints.capacity(); + register int x, y; + register int xsizeB = xsize - 2; + register int ysizeB = ysize - 1; + register int width; + + keypoints.resize(0); + + int pixel_5_8_[16]; + makeAgastOffsets(pixel_5_8_, (int)img.step, AgastFeatureDetector::AGAST_5_8); + + register short offset0 = (short) pixel_5_8_[0]; + register short offset1 = (short) pixel_5_8_[1]; + register short offset2 = (short) pixel_5_8_[2]; + register short offset3 = (short) pixel_5_8_[3]; + register short offset4 = (short) pixel_5_8_[4]; + register short offset5 = (short) pixel_5_8_[5]; + register short offset6 = (short) pixel_5_8_[6]; + register short offset7 = (short) pixel_5_8_[7]; + + width = xsize; + + for(y = 1; y < ysizeB; y++) + { + x = 0; + while(true) + { + homogeneous: + { + x++; + if(x > xsizeB) + break; + else + { + register const unsigned char* const ptr = img.ptr() + y*width + x; + register const int cb = *ptr + threshold; + register const int c_b = *ptr - threshold; + if(ptr[offset0] > cb) + if(ptr[offset2] > cb) + if(ptr[offset3] > cb) + if(ptr[offset5] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset7] > cb) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto success_homogeneous; + else + if(ptr[offset7] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset1] > cb) + goto success_structured; + else + if(ptr[offset4] > cb) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset1] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset6] > cb) + if(ptr[offset1] > cb) + goto success_homogeneous; + else + if(ptr[offset4] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else if(ptr[offset0] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset4] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] > cb) + if(ptr[offset3] > cb) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset1] < c_b) + goto success_homogeneous; + else + if(ptr[offset4] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset3] > cb) + if(ptr[offset5] > cb) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + } + } + structured: + { + x++; + if(x > xsizeB) + break; + else + { + register const unsigned char* const ptr = img.ptr() + y*width + x; + register const int cb = *ptr + threshold; + register const int c_b = *ptr - threshold; + if(ptr[offset0] > cb) + if(ptr[offset2] > cb) + if(ptr[offset3] > cb) + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + goto success_structured; + else + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset1] > cb) + goto success_structured; + else + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset1] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset5] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto structured; + else + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset6] > cb) + if(ptr[offset1] > cb) + goto success_structured; + else + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset5] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto structured; + else + goto homogeneous; + else if(ptr[offset0] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset5] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + else + goto structured; + else + if(ptr[offset7] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] > cb) + if(ptr[offset3] > cb) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto structured; + else + if(ptr[offset5] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + else + if(ptr[offset3] > cb) + if(ptr[offset5] > cb) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + } + } + success_homogeneous: + if(total == nExpectedCorners) + { + if(nExpectedCorners == 0) + { + nExpectedCorners = 512; + keypoints.reserve(nExpectedCorners); + } + else + { + nExpectedCorners *= 2; + keypoints.reserve(nExpectedCorners); + } + } + keypoints.push_back(KeyPoint(Point2f((float)x, (float)y), 1.0f)); + total++; + goto homogeneous; + success_structured: + if(total == nExpectedCorners) + { + if(nExpectedCorners == 0) + { + nExpectedCorners = 512; + keypoints.reserve(nExpectedCorners); + } + else + { + nExpectedCorners *= 2; + keypoints.reserve(nExpectedCorners); + } + } + keypoints.push_back(KeyPoint(Point2f((float)x, (float)y), 1.0f)); + total++; + goto structured; + } + } +} + +static void AGAST_7_12d(InputArray _img, std::vector& keypoints, int threshold) +{ + cv::Mat img; + if(!_img.getMat().isContinuous()) + img = _img.getMat().clone(); + else + img = _img.getMat(); + + size_t total = 0; + int xsize = img.cols; + int ysize = img.rows; + size_t nExpectedCorners = keypoints.capacity(); + register int x, y; + register int xsizeB = xsize - 4; + register int ysizeB = ysize - 3; + register int width; + + keypoints.resize(0); + + int pixel_7_12d_[16]; + makeAgastOffsets(pixel_7_12d_, (int)img.step, AgastFeatureDetector::AGAST_7_12d); + + register short offset0 = (short) pixel_7_12d_[0]; + register short offset1 = (short) pixel_7_12d_[1]; + register short offset2 = (short) pixel_7_12d_[2]; + register short offset3 = (short) pixel_7_12d_[3]; + register short offset4 = (short) pixel_7_12d_[4]; + register short offset5 = (short) pixel_7_12d_[5]; + register short offset6 = (short) pixel_7_12d_[6]; + register short offset7 = (short) pixel_7_12d_[7]; + register short offset8 = (short) pixel_7_12d_[8]; + register short offset9 = (short) pixel_7_12d_[9]; + register short offset10 = (short) pixel_7_12d_[10]; + register short offset11 = (short) pixel_7_12d_[11]; + + width = xsize; + + for(y = 3; y < ysizeB; y++) + { + x = 2; + while(true) + { + homogeneous: + { + x++; + if(x > xsizeB) + break; + else + { + register const unsigned char* const ptr = img.ptr() + y*width + x; + register const int cb = *ptr + threshold; + register const int c_b = *ptr - threshold; + if(ptr[offset0] > cb) + if(ptr[offset5] > cb) + if(ptr[offset2] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + if(ptr[offset4] > cb) + if(ptr[offset7] > cb) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_homogeneous; + else + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto success_homogeneous; + else + if(ptr[offset11] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset1] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_homogeneous; + else + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] > cb) + if(ptr[offset1] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset2] > cb) + goto success_structured; + else + if(ptr[offset7] > cb) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset2] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto success_structured; + else + if(ptr[offset7] > cb) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset11] > cb) + if(ptr[offset10] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto success_homogeneous; + else + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] > cb) + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto success_homogeneous; + else + if(ptr[offset7] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset3] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_homogeneous; + else + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset2] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset2] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + goto success_homogeneous; + else + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset1] > cb) + goto success_homogeneous; + else + if(ptr[offset6] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else if(ptr[offset0] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + goto success_homogeneous; + else + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + goto success_homogeneous; + else + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset2] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset5] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset11] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + if(ptr[offset4] < c_b) + if(ptr[offset7] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_homogeneous; + else + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + goto success_homogeneous; + else + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_homogeneous; + else + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + goto success_homogeneous; + else + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_homogeneous; + else + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset8] > cb) + goto success_homogeneous; + else + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset2] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset2] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset11] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset2] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + } + } + structured: + { + x++; + if(x > xsizeB) + break; + else + { + register const unsigned char* const ptr = img.ptr() + y*width + x; + register const int cb = *ptr + threshold; + register const int c_b = *ptr - threshold; + if(ptr[offset0] > cb) + if(ptr[offset5] > cb) + if(ptr[offset2] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + if(ptr[offset4] > cb) + if(ptr[offset7] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset1] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset5] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] > cb) + if(ptr[offset1] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset2] > cb) + goto success_structured; + else + if(ptr[offset7] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset2] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto success_structured; + else + if(ptr[offset7] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset11] > cb) + if(ptr[offset10] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto success_structured; + else + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset8] > cb) + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto success_structured; + else + if(ptr[offset7] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset3] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset2] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + else + if(ptr[offset2] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset1] > cb) + goto success_structured; + else + if(ptr[offset6] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else if(ptr[offset0] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + goto success_structured; + else + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset2] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset5] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset11] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + if(ptr[offset4] < c_b) + if(ptr[offset7] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset5] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + else + goto structured; + else + if(ptr[offset5] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset2] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset5] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + if(ptr[offset1] < c_b) + if(ptr[offset2] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset11] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset2] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + } + } + success_homogeneous: + if(total == nExpectedCorners) + { + if(nExpectedCorners == 0) + { + nExpectedCorners = 512; + keypoints.reserve(nExpectedCorners); + } + else + { + nExpectedCorners *= 2; + keypoints.reserve(nExpectedCorners); + } + } + keypoints.push_back(KeyPoint(Point2f((float)x, (float)y), 1.0f)); + total++; + goto homogeneous; + success_structured: + if(total == nExpectedCorners) + { + if(nExpectedCorners == 0) + { + nExpectedCorners = 512; + keypoints.reserve(nExpectedCorners); + } + else + { + nExpectedCorners *= 2; + keypoints.reserve(nExpectedCorners); + } + } + keypoints.push_back(KeyPoint(Point2f((float)x, (float)y), 1.0f)); + total++; + goto structured; + } + } +} + +static void AGAST_7_12s(InputArray _img, std::vector& keypoints, int threshold) +{ + cv::Mat img; + if(!_img.getMat().isContinuous()) + img = _img.getMat().clone(); + else + img = _img.getMat(); + + size_t total = 0; + int xsize = img.cols; + int ysize = img.rows; + size_t nExpectedCorners = keypoints.capacity(); + register int x, y; + register int xsizeB=xsize - 3; //2, +1 due to faster test x>xsizeB + register int ysizeB=ysize - 2; + register int width; + + keypoints.resize(0); + + int pixel_7_12s_[16]; + makeAgastOffsets(pixel_7_12s_, (int)img.step, AgastFeatureDetector::AGAST_7_12s); + + register short offset0 = (short) pixel_7_12s_[0]; + register short offset1 = (short) pixel_7_12s_[1]; + register short offset2 = (short) pixel_7_12s_[2]; + register short offset3 = (short) pixel_7_12s_[3]; + register short offset4 = (short) pixel_7_12s_[4]; + register short offset5 = (short) pixel_7_12s_[5]; + register short offset6 = (short) pixel_7_12s_[6]; + register short offset7 = (short) pixel_7_12s_[7]; + register short offset8 = (short) pixel_7_12s_[8]; + register short offset9 = (short) pixel_7_12s_[9]; + register short offset10 = (short) pixel_7_12s_[10]; + register short offset11 = (short) pixel_7_12s_[11]; + + width = xsize; + + for(y = 2; y < ysizeB; y++) + { + x = 1; + while(true) + { + homogeneous: + { + x++; + if(x > xsizeB) + break; + else + { + register const unsigned char* const ptr = img.ptr() + y*width + x; + register const int cb = *ptr + threshold; + register const int c_b = *ptr - threshold; + if(ptr[offset0] > cb) + if(ptr[offset2] > cb) + if(ptr[offset5] > cb) + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_homogeneous; + else + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto success_homogeneous; + else + if(ptr[offset11] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto success_homogeneous; + else + if(ptr[offset11] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset3] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + goto success_homogeneous; + else + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + goto success_homogeneous; + else + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset5] > cb) + if(ptr[offset1] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_homogeneous; + else + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset1] > cb) + goto success_homogeneous; + else + if(ptr[offset6] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset1] < c_b) + goto success_homogeneous; + else + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_homogeneous; + else + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else if(ptr[offset0] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_homogeneous; + else + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + goto success_homogeneous; + else + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + goto success_homogeneous; + else + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] > cb) + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset11] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + if(ptr[offset11] < c_b) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] > cb) + if(ptr[offset5] > cb) + if(ptr[offset2] > cb) + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + goto success_homogeneous; + else + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_homogeneous; + else + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset7] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_homogeneous; + else + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + goto success_homogeneous; + else + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset8] > cb) + goto success_homogeneous; + else + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset2] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset5] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + if(ptr[offset1] < c_b) + if(ptr[offset2] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset11] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + if(ptr[offset2] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + else + goto homogeneous; + } + } + structured: + { + x++; + if(x > xsizeB) + break; + else + { + register const unsigned char* const ptr = img.ptr() + y*width + x; + register const int cb = *ptr + threshold; + register const int c_b = *ptr - threshold; + if(ptr[offset0] > cb) + if(ptr[offset2] > cb) + if(ptr[offset5] > cb) + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset3] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset7] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset5] > cb) + if(ptr[offset1] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset1] > cb) + goto success_structured; + else + if(ptr[offset6] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else if(ptr[offset0] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset4] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset5] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + if(ptr[offset11] > cb) + goto success_structured; + else + goto homogeneous; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] > cb) + if(ptr[offset5] > cb) + if(ptr[offset2] > cb) + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + goto success_structured; + else + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto success_structured; + else + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset7] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto success_structured; + else + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + goto success_structured; + else + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset2] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset5] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + if(ptr[offset1] < c_b) + if(ptr[offset2] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset11] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + if(ptr[offset2] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto success_structured; + else + goto structured; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto success_structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto structured; + else + goto homogeneous; + } + } + success_homogeneous: + if(total == nExpectedCorners) + { + if(nExpectedCorners == 0) + { + nExpectedCorners = 512; + keypoints.reserve(nExpectedCorners); + } + else + { + nExpectedCorners *= 2; + keypoints.reserve(nExpectedCorners); + } + } + keypoints.push_back(KeyPoint(Point2f((float)x, (float)y), 1.0f)); + total++; + goto homogeneous; + success_structured: + if(total == nExpectedCorners) + { + if(nExpectedCorners == 0) + { + nExpectedCorners = 512; + keypoints.reserve(nExpectedCorners); + } + else + { + nExpectedCorners *= 2; + keypoints.reserve(nExpectedCorners); + } + } + keypoints.push_back(KeyPoint(Point2f((float)x, (float)y), 1.0f)); + total++; + goto structured; + } + } +} + +static void OAST_9_16(InputArray _img, std::vector& keypoints, int threshold) +{ + cv::Mat img; + if(!_img.getMat().isContinuous()) + img = _img.getMat().clone(); + else + img = _img.getMat(); + + size_t total = 0; + int xsize = img.cols; + int ysize = img.rows; + size_t nExpectedCorners = keypoints.capacity(); + register int x, y; + register int xsizeB=xsize - 4; + register int ysizeB=ysize - 3; + register int width; + + keypoints.resize(0); + + int pixel_9_16_[16]; + makeAgastOffsets(pixel_9_16_, (int)img.step, AgastFeatureDetector::OAST_9_16); + + register short offset0 = (short) pixel_9_16_[0]; + register short offset1 = (short) pixel_9_16_[1]; + register short offset2 = (short) pixel_9_16_[2]; + register short offset3 = (short) pixel_9_16_[3]; + register short offset4 = (short) pixel_9_16_[4]; + register short offset5 = (short) pixel_9_16_[5]; + register short offset6 = (short) pixel_9_16_[6]; + register short offset7 = (short) pixel_9_16_[7]; + register short offset8 = (short) pixel_9_16_[8]; + register short offset9 = (short) pixel_9_16_[9]; + register short offset10 = (short) pixel_9_16_[10]; + register short offset11 = (short) pixel_9_16_[11]; + register short offset12 = (short) pixel_9_16_[12]; + register short offset13 = (short) pixel_9_16_[13]; + register short offset14 = (short) pixel_9_16_[14]; + register short offset15 = (short) pixel_9_16_[15]; + + width = xsize; + + for(y = 3; y < ysizeB; y++) + { + x = 2; + while(true) + { + x++; + if(x > xsizeB) + break; + else + { + register const unsigned char* const ptr = img.ptr() + y*width + x; + register const int cb = *ptr + threshold; + register const int c_b = *ptr - threshold; + if(ptr[offset0] > cb) + if(ptr[offset2] > cb) + if(ptr[offset4] > cb) + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + {} + else + if(ptr[offset15] > cb) + {} + else + continue; + else + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset6] > cb) + {} + else + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + {} + else + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset7] < c_b) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset6] > cb) + {} + else + if(ptr[offset13] > cb) + {} + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset14] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset6] < c_b) + {} + else + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset6] > cb) + {} + else + if(ptr[offset13] > cb) + {} + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset5] < c_b) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + {} + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + {} + else + continue; + else + continue; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset12] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset6] < c_b) + {} + else + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + {} + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + {} + else + continue; + else + continue; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset12] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset6] < c_b) + {} + else + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset4] < c_b) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset10] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + {} + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + {} + else + continue; + else + continue; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset11] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset3] < c_b) + {} + else + if(ptr[offset12] < c_b) + {} + else + continue; + else + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset10] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + {} + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + {} + else + continue; + else + continue; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset11] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + {} + else + if(ptr[offset14] < c_b) + {} + else + continue; + else + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset2] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + {} + else + continue; + else + continue; + else + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset4] > cb) + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset1] < c_b) + {} + else + if(ptr[offset10] < c_b) + {} + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + {} + else + continue; + else + continue; + else + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset4] > cb) + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + {} + else + if(ptr[offset12] < c_b) + {} + else + continue; + else + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + {} + else + continue; + else + continue; + else + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset0] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + {} + else + if(ptr[offset10] > cb) + {} + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + {} + else + continue; + else + continue; + else + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset2] < c_b) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset3] > cb) + {} + else + if(ptr[offset12] > cb) + {} + else + continue; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + {} + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + {} + else + continue; + else + continue; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset4] < c_b) + if(ptr[offset5] > cb) + if(ptr[offset12] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset13] > cb) + if(ptr[offset6] > cb) + {} + else + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + {} + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + {} + else + continue; + else + continue; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset5] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset14] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset6] > cb) + {} + else + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset6] < c_b) + {} + else + if(ptr[offset13] < c_b) + {} + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset7] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + {} + else + if(ptr[offset15] < c_b) + {} + else + continue; + else + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset6] < c_b) + {} + else + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + {} + else + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset6] < c_b) + {} + else + if(ptr[offset13] < c_b) + {} + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset12] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset6] > cb) + {} + else + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + {} + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + {} + else + continue; + else + continue; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset11] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + {} + else + if(ptr[offset14] > cb) + {} + else + continue; + else + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + {} + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + {} + else + continue; + else + continue; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + {} + else + if(ptr[offset12] > cb) + {} + else + continue; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + {} + else + continue; + else + continue; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + {} + else + continue; + else + continue; + else + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset1] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + {} + else + if(ptr[offset10] > cb) + {} + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + {} + else + continue; + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + {} + else + if(ptr[offset10] < c_b) + {} + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + {} + else + continue; + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + } + if(total == nExpectedCorners) + { + if(nExpectedCorners == 0) + { + nExpectedCorners = 512; + keypoints.reserve(nExpectedCorners); + } + else + { + nExpectedCorners *= 2; + keypoints.reserve(nExpectedCorners); + } + } + keypoints.push_back(KeyPoint(Point2f((float)x, (float)y), 1.0f)); + total++; + } + } +} + + +void AGAST(InputArray _img, std::vector& keypoints, int threshold, bool nonmax_suppression) +{ + AGAST(_img, keypoints, threshold, nonmax_suppression, AgastFeatureDetector::OAST_9_16); +} + + +class AgastFeatureDetector_Impl : public AgastFeatureDetector +{ +public: + AgastFeatureDetector_Impl( int _threshold, bool _nonmaxSuppression, int _type ) + : threshold(_threshold), nonmaxSuppression(_nonmaxSuppression), type((short)_type) + {} + + void detect( InputArray _image, std::vector& keypoints, InputArray _mask ) + { + Mat mask = _mask.getMat(), grayImage; + UMat ugrayImage; + _InputArray gray = _image; + if( _image.type() != CV_8U ) + { + _OutputArray ogray = _image.isUMat() ? _OutputArray(ugrayImage) : _OutputArray(grayImage); + cvtColor( _image, ogray, COLOR_BGR2GRAY ); + gray = ogray; + } + AGAST( gray, keypoints, threshold, nonmaxSuppression, type ); + KeyPointsFilter::runByPixelsMask( keypoints, mask ); + } + + void set(int prop, double value) + { + if(prop == THRESHOLD) + threshold = cvRound(value); + else if(prop == NONMAX_SUPPRESSION) + nonmaxSuppression = value != 0; + else + CV_Error(Error::StsBadArg, ""); + } + + double get(int prop) const + { + if(prop == THRESHOLD) + return threshold; + if(prop == NONMAX_SUPPRESSION) + return nonmaxSuppression; + CV_Error(Error::StsBadArg, ""); + return 0; + } + + void setThreshold(int threshold_) { threshold = threshold_; } + int getThreshold() const { return threshold; } + + void setNonmaxSuppression(bool f) { nonmaxSuppression = f; } + bool getNonmaxSuppression() const { return nonmaxSuppression; } + + void setType(int type_) { type = type_; } + int getType() const { return type; } + + int threshold; + bool nonmaxSuppression; + int type; +}; + +Ptr AgastFeatureDetector::create( int threshold, bool nonmaxSuppression, int type ) +{ + return makePtr(threshold, nonmaxSuppression, type); +} + +void AGAST(InputArray _img, std::vector& keypoints, int threshold, bool nonmax_suppression, int type) +{ + // detect + switch(type) { + case AgastFeatureDetector::AGAST_5_8: + AGAST_5_8(_img, keypoints, threshold); + break; + case AgastFeatureDetector::AGAST_7_12d: + AGAST_7_12d(_img, keypoints, threshold); + break; + case AgastFeatureDetector::AGAST_7_12s: + AGAST_7_12s(_img, keypoints, threshold); + break; + case AgastFeatureDetector::OAST_9_16: + OAST_9_16(_img, keypoints, threshold); + break; + } + + cv::Mat img = _img.getMat(); + + // score + int pixel_[16]; + makeAgastOffsets(pixel_, (int)img.step, type); + + std::vector::iterator kpt; + for(kpt = keypoints.begin(); kpt != keypoints.end(); kpt++) + { + switch(type) { + case AgastFeatureDetector::AGAST_5_8: + kpt->response = (float)agast_cornerScore + (&img.at((int)kpt->pt.y, (int)kpt->pt.x), pixel_, threshold); + break; + case AgastFeatureDetector::AGAST_7_12d: + kpt->response = (float)agast_cornerScore + (&img.at((int)kpt->pt.y, (int)kpt->pt.x), pixel_, threshold); + break; + case AgastFeatureDetector::AGAST_7_12s: + kpt->response = (float)agast_cornerScore + (&img.at((int)kpt->pt.y, (int)kpt->pt.x), pixel_, threshold); + break; + case AgastFeatureDetector::OAST_9_16: + kpt->response = (float)agast_cornerScore + (&img.at((int)kpt->pt.y, (int)kpt->pt.x), pixel_, threshold); + break; + } + } + // suppression + if(nonmax_suppression) + { + size_t j; + size_t curr_idx; + size_t lastRow = 0, next_lastRow = 0; + size_t num_Corners = keypoints.size(); + size_t lastRowCorner_ind = 0, next_lastRowCorner_ind = 0; + + std::vector nmsFlags; + std::vector::iterator currCorner_nms; + std::vector::const_iterator currCorner; + + currCorner = keypoints.begin(); + + nmsFlags.resize((int)num_Corners); + + // set all flags to MAXIMUM + for(j = 0; j < num_Corners; j++) + nmsFlags[j] = -1; + + for(curr_idx = 0; curr_idx < num_Corners; curr_idx++) + { + int t; + // check above + if(lastRow + 1 < currCorner->pt.y) + { + lastRow = next_lastRow; + lastRowCorner_ind = next_lastRowCorner_ind; + } + if(next_lastRow != currCorner->pt.y) + { + next_lastRow = (size_t) currCorner->pt.y; + next_lastRowCorner_ind = curr_idx; + } + if(lastRow + 1 == currCorner->pt.y) + { + // find the corner above the current one + while( (keypoints[lastRowCorner_ind].pt.x < currCorner->pt.x) + && (keypoints[lastRowCorner_ind].pt.y == lastRow) ) + lastRowCorner_ind++; + + if( (keypoints[lastRowCorner_ind].pt.x == currCorner->pt.x) + && (lastRowCorner_ind != curr_idx) ) + { + size_t w = lastRowCorner_ind; + // find the maximum in this block + while(nmsFlags[w] != -1) + w = nmsFlags[w]; + + if(keypoints[curr_idx].response < keypoints[w].response) + nmsFlags[curr_idx] = (int)w; + else + nmsFlags[w] = (int)curr_idx; + } + } + + // check left + t = (int)curr_idx - 1; + if( (curr_idx != 0) && (keypoints[t].pt.y == currCorner->pt.y) + && (keypoints[t].pt.x + 1 == currCorner->pt.x) ) + { + int currCornerMaxAbove_ind = nmsFlags[curr_idx]; + // find the maximum in that area + while(nmsFlags[t] != -1) + t = nmsFlags[t]; + // no maximum above + if(currCornerMaxAbove_ind == -1) + { + if((size_t)t != curr_idx) + { + if ( keypoints[curr_idx].response < keypoints[t].response ) + nmsFlags[curr_idx] = t; + else + nmsFlags[t] = (int)curr_idx; + } + } + else // maximum above + { + if(t != currCornerMaxAbove_ind) + { + if(keypoints[currCornerMaxAbove_ind].response < keypoints[t].response) + { + nmsFlags[currCornerMaxAbove_ind] = t; + nmsFlags[curr_idx] = t; + } + else + { + nmsFlags[t] = currCornerMaxAbove_ind; + nmsFlags[curr_idx] = currCornerMaxAbove_ind; + } + } + } + } + currCorner++; + } + + // marks non-maximum corners + for(curr_idx = 0; curr_idx < num_Corners; curr_idx++) + { + if (nmsFlags[curr_idx] != -1) + keypoints[curr_idx].response = -1; + } + + // erase non-maximum corners + for (j = keypoints.size(); j > 0; j--) + { + if (keypoints[j - 1].response == -1) + keypoints.erase(keypoints.begin() + j - 1 ); + } + } +} + +} // END NAMESPACE CV diff --git a/modules/features2d/src/agast_score.cpp b/modules/features2d/src/agast_score.cpp new file mode 100644 index 0000000..3368235 --- /dev/null +++ b/modules/features2d/src/agast_score.cpp @@ -0,0 +1,9375 @@ +/* This is AGAST and OAST, an optimal and accelerated corner detector + based on the accelerated segment tests + Below is the original copyright and the references */ + +/* +Copyright (C) 2010 Elmar Mair +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + + *Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + *Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + *Neither the name of the University of Cambridge nor the names of + its contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/* +The references are: + * Adaptive and Generic Corner Detection Based on the Accelerated Segment Test, + Elmar Mair and Gregory D. Hager and Darius Burschka + and Michael Suppa and Gerhard Hirzinger ECCV 2010 + URL: http://www6.in.tum.de/Main/ResearchAgast +*/ + +#include "agast_score.hpp" + +#ifdef _WIN32 +#pragma warning( disable : 4127 ) +#endif + +namespace cv +{ + +void makeAgastOffsets(int pixel[16], int rowStride, int type) +{ + static const int offsets16[][2] = + { + {-3, 0}, {-3, -1}, {-2, -2}, {-1, -3}, {0, -3}, { 1, -3}, { 2, -2}, { 3, -1}, + { 3, 0}, { 3, 1}, { 2, 2}, { 1, 3}, {0, 3}, {-1, 3}, {-2, 2}, {-3, 1} + }; + + static const int offsets12d[][2] = + { + {-3, 0}, {-2, -1}, {-1, -2}, {0, -3}, { 1, -2}, { 2, -1}, + { 3, 0}, { 2, 1}, { 1, 2}, {0, 3}, {-1, 2}, {-2, 1} + }; + + static const int offsets12s[][2] = + { + {-2, 0}, {-2, -1}, {-1, -2}, {0, -2}, { 1, -2}, { 2, -1}, + { 2, 0}, { 2, 1}, { 1, 2}, {0, 2}, {-1, 2}, {-2, 1} + }; + + static const int offsets8[][2] = + { + {-1, 0}, {-1, -1}, {0, -1}, { 1, -1}, + { 1, 0}, { 1, 1}, {0, 1}, {-1, 1} + }; + + const int (*offsets)[2] = type == AgastFeatureDetector::OAST_9_16 ? offsets16 : + type == AgastFeatureDetector::AGAST_7_12d ? offsets12d : + type == AgastFeatureDetector::AGAST_7_12s ? offsets12s : + type == AgastFeatureDetector::AGAST_5_8 ? offsets8 : 0; + + CV_Assert(pixel && offsets); + + int k = 0; + for( ; k < 16; k++ ) + pixel[k] = offsets[k][0] + offsets[k][1] * rowStride; +} + +// 16 pixel mask +template<> +int agast_cornerScore(const uchar* ptr, const int pixel[], int threshold) +{ + int bmin = threshold; + int bmax = 255; + int b_test = (bmax + bmin) / 2; + + register short offset0 = (short) pixel[0]; + register short offset1 = (short) pixel[1]; + register short offset2 = (short) pixel[2]; + register short offset3 = (short) pixel[3]; + register short offset4 = (short) pixel[4]; + register short offset5 = (short) pixel[5]; + register short offset6 = (short) pixel[6]; + register short offset7 = (short) pixel[7]; + register short offset8 = (short) pixel[8]; + register short offset9 = (short) pixel[9]; + register short offset10 = (short) pixel[10]; + register short offset11 = (short) pixel[11]; + register short offset12 = (short) pixel[12]; + register short offset13 = (short) pixel[13]; + register short offset14 = (short) pixel[14]; + register short offset15 = (short) pixel[15]; + + while(true) + { + register const int cb = *ptr + b_test; + register const int c_b = *ptr - b_test; + if(ptr[offset0] > cb) + if(ptr[offset2] > cb) + if(ptr[offset4] > cb) + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset7] < c_b) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + if(ptr[offset13] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset14] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + if(ptr[offset13] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset5] < c_b) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset12] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset12] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset4] < c_b) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset10] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset11] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset12] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset10] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + if(ptr[offset1] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset11] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + goto is_a_corner; + else + if(ptr[offset14] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset2] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] > cb) + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] > cb) + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset5] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset12] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset0] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset2] < c_b) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset12] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset4] < c_b) + if(ptr[offset5] > cb) + if(ptr[offset12] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset13] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset5] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset14] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + if(ptr[offset13] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset7] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + if(ptr[offset13] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset10] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + goto is_a_corner; + else + if(ptr[offset14] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset12] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset9] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset12] > cb) + if(ptr[offset13] > cb) + if(ptr[offset14] > cb) + if(ptr[offset15] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset12] < c_b) + if(ptr[offset13] < c_b) + if(ptr[offset14] < c_b) + if(ptr[offset15] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + + is_a_corner: + bmin = b_test; + goto end; + + is_not_a_corner: + bmax = b_test; + goto end; + + end: + + if(bmin == bmax - 1 || bmin == bmax) + return bmin; + b_test = (bmin + bmax) / 2; + } +} + +// 12 pixel mask in diamond format +template<> +int agast_cornerScore(const uchar* ptr, const int pixel[], int threshold) +{ + int bmin = threshold; + int bmax = 255; + int b_test = (bmax + bmin)/2; + + register short offset0 = (short) pixel[0]; + register short offset1 = (short) pixel[1]; + register short offset2 = (short) pixel[2]; + register short offset3 = (short) pixel[3]; + register short offset4 = (short) pixel[4]; + register short offset5 = (short) pixel[5]; + register short offset6 = (short) pixel[6]; + register short offset7 = (short) pixel[7]; + register short offset8 = (short) pixel[8]; + register short offset9 = (short) pixel[9]; + register short offset10 = (short) pixel[10]; + register short offset11 = (short) pixel[11]; + + while(true) + { + register const int cb = *ptr + b_test; + register const int c_b = *ptr - b_test; + if(ptr[offset0] > cb) + if(ptr[offset5] > cb) + if(ptr[offset2] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + if(ptr[offset4] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset1] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] > cb) + if(ptr[offset1] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset2] > cb) + goto is_a_corner; + else + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto is_a_corner; + else + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] > cb) + if(ptr[offset10] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto is_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto is_a_corner; + else + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset3] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset1] > cb) + goto is_a_corner; + else + if(ptr[offset6] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset0] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset1] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset5] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset11] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + if(ptr[offset4] < c_b) + if(ptr[offset7] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset9] > cb) + if(ptr[offset6] > cb) + if(ptr[offset7] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset2] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset2] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + + is_a_corner: + bmin = b_test; + goto end; + + is_not_a_corner: + bmax = b_test; + goto end; + + end: + + if(bmin == bmax - 1 || bmin == bmax) + return bmin; + b_test = (bmin + bmax) / 2; + } +} + +//12 pixel mask in square format +template<> +int agast_cornerScore(const uchar* ptr, const int pixel[], int threshold) +{ + int bmin = threshold; + int bmax = 255; + int b_test = (bmax + bmin)/2; + + register short offset0 = (short) pixel[0]; + register short offset1 = (short) pixel[1]; + register short offset2 = (short) pixel[2]; + register short offset3 = (short) pixel[3]; + register short offset4 = (short) pixel[4]; + register short offset5 = (short) pixel[5]; + register short offset6 = (short) pixel[6]; + register short offset7 = (short) pixel[7]; + register short offset8 = (short) pixel[8]; + register short offset9 = (short) pixel[9]; + register short offset10 = (short) pixel[10]; + register short offset11 = (short) pixel[11]; + + while(true) + { + register const int cb = *ptr + b_test; + register const int c_b = *ptr - b_test; + if(ptr[offset0] > cb) + if(ptr[offset5] > cb) + if(ptr[offset2] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset9] < c_b) + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset7] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset9] < c_b) + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset2] < c_b) + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset3] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset7] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset7] > cb) + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset7] > cb) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset9] < c_b) + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset7] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset9] < c_b) + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset0] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset2] > cb) + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset2] > cb) + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset2] > cb) + if(ptr[offset7] < c_b) + if(ptr[offset9] > cb) + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset4] < c_b) + if(ptr[offset10] > cb) + if(ptr[offset8] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset9] < c_b) + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset7] < c_b) + if(ptr[offset9] > cb) + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset7] < c_b) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset9] > cb) + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset7] > cb) + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset2] > cb) + if(ptr[offset9] > cb) + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] < c_b) + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] < c_b) + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset8] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset8] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset3] < c_b) + goto is_a_corner; + else + if(ptr[offset10] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] < c_b) + if(ptr[offset11] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset2] < c_b) + if(ptr[offset9] < c_b) + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset2] > cb) + if(ptr[offset9] < c_b) + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset8] > cb) + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset8] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset9] < c_b) + goto is_not_a_corner; + else + if(ptr[offset9] > cb) + if(ptr[offset1] > cb) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + goto is_not_a_corner; + else + if(ptr[offset6] > cb) + if(ptr[offset8] > cb) + if(ptr[offset4] > cb) + if(ptr[offset3] > cb) + goto is_a_corner; + else + if(ptr[offset10] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset10] > cb) + if(ptr[offset11] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + + is_a_corner: + bmin = b_test; + goto end; + + is_not_a_corner: + bmax = b_test; + goto end; + + end: + + if(bmin == bmax - 1 || bmin == bmax) + return bmin; + b_test = (bmin + bmax) / 2; + } +} + +// 8 pixel mask +template<> +int agast_cornerScore(const uchar* ptr, const int pixel[], int threshold) +{ + int bmin = threshold; + int bmax = 255; + int b_test = (bmax + bmin)/2; + + register short offset0 = (short) pixel[0]; + register short offset1 = (short) pixel[1]; + register short offset2 = (short) pixel[2]; + register short offset3 = (short) pixel[3]; + register short offset4 = (short) pixel[4]; + register short offset5 = (short) pixel[5]; + register short offset6 = (short) pixel[6]; + register short offset7 = (short) pixel[7]; + + while(true) + { + register const int cb = *ptr + b_test; + register const int c_b = *ptr - b_test; + if(ptr[offset0] > cb) + if(ptr[offset2] > cb) + if(ptr[offset3] > cb) + if(ptr[offset5] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + if(ptr[offset7] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset6] > cb) + if(ptr[offset5] > cb) + if(ptr[offset1] > cb) + goto is_a_corner; + else + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset7] > cb) + if(ptr[offset6] > cb) + if(ptr[offset1] > cb) + goto is_a_corner; + else + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if(ptr[offset0] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset7] > cb) + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset3] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset6] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] > cb) + if(ptr[offset3] > cb) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset5] < c_b) + if(ptr[offset7] < c_b) + if(ptr[offset6] < c_b) + if(ptr[offset1] < c_b) + goto is_a_corner; + else + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] > cb) + if(ptr[offset5] > cb) + if(ptr[offset2] > cb) + if(ptr[offset1] > cb) + if(ptr[offset4] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] > cb) + if(ptr[offset4] > cb) + if(ptr[offset6] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset3] < c_b) + if(ptr[offset5] < c_b) + if(ptr[offset2] < c_b) + if(ptr[offset1] < c_b) + if(ptr[offset4] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if(ptr[offset7] < c_b) + if(ptr[offset4] < c_b) + if(ptr[offset6] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + + is_a_corner: + bmin=b_test; + goto end; + + is_not_a_corner: + bmax=b_test; + goto end; + + end: + + if(bmin == bmax - 1 || bmin == bmax) + return bmin; + b_test = (bmin + bmax) / 2; + } +} + +} // namespace cv diff --git a/modules/features2d/src/agast_score.hpp b/modules/features2d/src/agast_score.hpp new file mode 100644 index 0000000..bd5ddb3 --- /dev/null +++ b/modules/features2d/src/agast_score.hpp @@ -0,0 +1,62 @@ +/* This is AGAST and OAST, an optimal and accelerated corner detector + based on the accelerated segment tests + Below is the original copyright and the references */ + +/* +Copyright (C) 2010 Elmar Mair +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + + *Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + *Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + *Neither the name of the University of Cambridge nor the names of + its contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/* +The references are: + * Adaptive and Generic Corner Detection Based on the Accelerated Segment Test, + Elmar Mair and Gregory D. Hager and Darius Burschka + and Michael Suppa and Gerhard Hirzinger ECCV 2010 + URL: http://www6.in.tum.de/Main/ResearchAgast +*/ + + +#ifndef __OPENCV_FEATURES_2D_AGAST_HPP__ +#define __OPENCV_FEATURES_2D_AGAST_HPP__ + +#ifdef __cplusplus + +#include "precomp.hpp" +namespace cv +{ + +void makeAgastOffsets(int pixel[16], int row_stride, int type); + +template +int agast_cornerScore(const uchar* ptr, const int pixel[], int threshold); + +} +#endif +#endif diff --git a/modules/features2d/src/brisk.cpp b/modules/features2d/src/brisk.cpp index c24d727..3e80c5d 100644 --- a/modules/features2d/src/brisk.cpp +++ b/modules/features2d/src/brisk.cpp @@ -46,7 +46,7 @@ #include #include -#include "fast_score.hpp" +#include "agast_score.hpp" namespace cv { @@ -157,7 +157,7 @@ public: // derive a layer BriskLayer(const BriskLayer& layer, int mode); - // Fast/Agast without non-max suppression + // Agast without non-max suppression void getAgastPoints(int threshold, std::vector& keypoints); @@ -204,13 +204,13 @@ private: value(const cv::Mat& mat, float xf, float yf, float scale) const; // the image cv::Mat img_; - // its Fast scores + // its Agast scores cv::Mat_ scores_; // coordinate transformation float scale_; float offset_; // agast - cv::Ptr fast_9_16_; + cv::Ptr oast_9_16_; int pixel_5_8_[25]; int pixel_9_16_[25]; }; @@ -618,8 +618,6 @@ BRISK_Impl::detectAndCompute( InputArray _image, InputArray _mask, std::vector& k std::vector > agastPoints; agastPoints.resize(layers_); - // go through the octaves and intra layers and calculate fast corner scores: + // go through the octaves and intra layers and calculate agast corner scores: for (int i = 0; i < layers_; i++) { // call OAST16_9 without nms @@ -2067,9 +2072,9 @@ BriskLayer::BriskLayer(const cv::Mat& img_in, float scale_in, float offset_in) scale_ = scale_in; offset_ = offset_in; // create an agast detector - fast_9_16_ = FastFeatureDetector::create(1, true, FastFeatureDetector::TYPE_9_16); - makeOffsets(pixel_5_8_, (int)img_.step, 8); - makeOffsets(pixel_9_16_, (int)img_.step, 16); + oast_9_16_ = AgastFeatureDetector::create(1, false, AgastFeatureDetector::OAST_9_16); + makeAgastOffsets(pixel_5_8_, (int)img_.step, AgastFeatureDetector::AGAST_5_8); + makeAgastOffsets(pixel_9_16_, (int)img_.step, AgastFeatureDetector::OAST_9_16); } // derive a layer BriskLayer::BriskLayer(const BriskLayer& layer, int mode) @@ -2089,18 +2094,18 @@ BriskLayer::BriskLayer(const BriskLayer& layer, int mode) offset_ = 0.5f * scale_ - 0.5f; } scores_ = cv::Mat::zeros(img_.rows, img_.cols, CV_8U); - fast_9_16_ = FastFeatureDetector::create(1, false, FastFeatureDetector::TYPE_9_16); - makeOffsets(pixel_5_8_, (int)img_.step, 8); - makeOffsets(pixel_9_16_, (int)img_.step, 16); + oast_9_16_ = AgastFeatureDetector::create(1, false, AgastFeatureDetector::OAST_9_16); + makeAgastOffsets(pixel_5_8_, (int)img_.step, AgastFeatureDetector::AGAST_5_8); + makeAgastOffsets(pixel_9_16_, (int)img_.step, AgastFeatureDetector::OAST_9_16); } -// Fast/Agast +// Agast // wraps the agast class void BriskLayer::getAgastPoints(int threshold, std::vector& keypoints) { - fast_9_16_->setThreshold(threshold); - fast_9_16_->detect(img_, keypoints); + oast_9_16_->setThreshold(threshold); + oast_9_16_->detect(img_, keypoints); // also write scores const size_t num = keypoints.size(); @@ -2121,7 +2126,7 @@ BriskLayer::getAgastScore(int x, int y, int threshold) const { return score; } - score = (uchar)cornerScore<16>(&img_.at(y, x), pixel_9_16_, threshold - 1); + score = (uchar)agast_cornerScore(&img_.at(y, x), pixel_9_16_, threshold - 1); if (score < threshold) score = 0; return score; @@ -2134,7 +2139,7 @@ BriskLayer::getAgastScore_5_8(int x, int y, int threshold) const return 0; if (x >= img_.cols - 2 || y >= img_.rows - 2) return 0; - int score = cornerScore<8>(&img_.at(y, x), pixel_5_8_, threshold - 1); + int score = agast_cornerScore(&img_.at(y, x), pixel_5_8_, threshold - 1); if (score < threshold) score = 0; return score; diff --git a/modules/features2d/test/test_agast.cpp b/modules/features2d/test/test_agast.cpp new file mode 100644 index 0000000..36f34df --- /dev/null +++ b/modules/features2d/test/test_agast.cpp @@ -0,0 +1,137 @@ +/*M/////////////////////////////////////////////////////////////////////////////////////// +// +// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. +// +// By downloading, copying, installing or using the software you agree to this license. +// If you do not agree to this license, do not download, install, +// copy or use the software. +// +// +// License Agreement +// For Open Source Computer Vision Library +// +// Copyright (C) 2000-2008, Intel Corporation, all rights reserved. +// Copyright (C) 2009, Willow Garage Inc., all rights reserved. +// Third party copyrights are property of their respective owners. +// +// Redistribution and use in source and binary forms, with or without modification, +// are permitted provided that the following conditions are met: +// +// * Redistribution's of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// +// * Redistribution's in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// +// * The name of the copyright holders may not be used to endorse or promote products +// derived from this software without specific prior written permission. +// +// This software is provided by the copyright holders and contributors "as is" and +// any express or implied warranties, including, but not limited to, the implied +// warranties of merchantability and fitness for a particular purpose are disclaimed. +// In no event shall the Intel Corporation or contributors be liable for any direct, +// indirect, incidental, special, exemplary, or consequential damages +// (including, but not limited to, procurement of substitute goods or services; +// loss of use, data, or profits; or business interruption) however caused +// and on any theory of liability, whether in contract, strict liability, +// or tort (including negligence or otherwise) arising in any way out of +// the use of this software, even if advised of the possibility of such damage. +// +//M*/ + +#include "test_precomp.hpp" + +using namespace std; +using namespace cv; + +class CV_AgastTest : public cvtest::BaseTest +{ +public: + CV_AgastTest(); + ~CV_AgastTest(); +protected: + void run(int); +}; + +CV_AgastTest::CV_AgastTest() {} +CV_AgastTest::~CV_AgastTest() {} + +void CV_AgastTest::run( int ) +{ + for(int type=0; type <= 2; ++type) { + Mat image1 = imread(string(ts->get_data_path()) + "inpaint/orig.png"); + Mat image2 = imread(string(ts->get_data_path()) + "cameracalibration/chess9.png"); + string xml = string(ts->get_data_path()) + format("agast/result%d.xml", type); + + if (image1.empty() || image2.empty()) + { + ts->set_failed_test_info( cvtest::TS::FAIL_INVALID_TEST_DATA ); + return; + } + + Mat gray1, gray2; + cvtColor(image1, gray1, COLOR_BGR2GRAY); + cvtColor(image2, gray2, COLOR_BGR2GRAY); + + vector keypoints1; + vector keypoints2; + AGAST(gray1, keypoints1, 30, true, type); + AGAST(gray2, keypoints2, (type > 0 ? 30 : 20), true, type); + + for(size_t i = 0; i < keypoints1.size(); ++i) + { + const KeyPoint& kp = keypoints1[i]; + cv::circle(image1, kp.pt, cvRound(kp.size/2), Scalar(255, 0, 0)); + } + + for(size_t i = 0; i < keypoints2.size(); ++i) + { + const KeyPoint& kp = keypoints2[i]; + cv::circle(image2, kp.pt, cvRound(kp.size/2), Scalar(255, 0, 0)); + } + + Mat kps1(1, (int)(keypoints1.size() * sizeof(KeyPoint)), CV_8U, &keypoints1[0]); + Mat kps2(1, (int)(keypoints2.size() * sizeof(KeyPoint)), CV_8U, &keypoints2[0]); + + FileStorage fs(xml, FileStorage::READ); + if (!fs.isOpened()) + { + fs.open(xml, FileStorage::WRITE); + if (!fs.isOpened()) + { + ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA); + return; + } + fs << "exp_kps1" << kps1; + fs << "exp_kps2" << kps2; + fs.release(); + fs.open(xml, FileStorage::READ); + if (!fs.isOpened()) + { + ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA); + return; + } + } + + Mat exp_kps1, exp_kps2; + read( fs["exp_kps1"], exp_kps1, Mat() ); + read( fs["exp_kps2"], exp_kps2, Mat() ); + fs.release(); + + if ( exp_kps1.size != kps1.size || 0 != cvtest::norm(exp_kps1, kps1, NORM_L2) || + exp_kps2.size != kps2.size || 0 != cvtest::norm(exp_kps2, kps2, NORM_L2)) + { + ts->set_failed_test_info(cvtest::TS::FAIL_MISMATCH); + return; + } + + /*cv::namedWindow("Img1"); cv::imshow("Img1", image1); + cv::namedWindow("Img2"); cv::imshow("Img2", image2); + cv::waitKey(0);*/ + } + + ts->set_failed_test_info(cvtest::TS::OK); +} + +TEST(Features2d_AGAST, regression) { CV_AgastTest test; test.safe_run(); } diff --git a/modules/features2d/test/test_detectors_regression.cpp b/modules/features2d/test/test_detectors_regression.cpp index e2d9f47..58c0b6d 100644 --- a/modules/features2d/test/test_detectors_regression.cpp +++ b/modules/features2d/test/test_detectors_regression.cpp @@ -259,6 +259,12 @@ TEST( Features2d_Detector_FAST, regression ) test.safe_run(); } +TEST( Features2d_Detector_AGAST, regression ) +{ + CV_FeatureDetectorTest test( "detector-agast", AgastFeatureDetector::create() ); + test.safe_run(); +} + TEST( Features2d_Detector_GFTT, regression ) { CV_FeatureDetectorTest test( "detector-gftt", GFTTDetector::create() ); diff --git a/modules/features2d/test/test_keypoints.cpp b/modules/features2d/test/test_keypoints.cpp index e9dafe3..4f5f8a0 100644 --- a/modules/features2d/test/test_keypoints.cpp +++ b/modules/features2d/test/test_keypoints.cpp @@ -131,6 +131,12 @@ TEST(Features2d_Detector_Keypoints_FAST, validation) test.safe_run(); } +TEST(Features2d_Detector_Keypoints_AGAST, validation) +{ + CV_FeatureDetectorKeypointsTest test(AgastFeatureDetector::create()); + test.safe_run(); +} + TEST(Features2d_Detector_Keypoints_HARRIS, validation) { -- 2.7.4