From 4c251bd2604d73ea71fd276c4058f9c6953c0a92 Mon Sep 17 00:00:00 2001
From: Pavel Rojtberg <rojtberg@gmail.com>
Date: Thu, 10 Dec 2015 23:01:55 +0100
Subject: [PATCH] CvLevMarq: add solve method to interface

---
 modules/calib3d/include/opencv2/calib3d/calib3d_c.h | 1 +
 modules/calib3d/src/compat_ptsetreg.cpp             | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/modules/calib3d/include/opencv2/calib3d/calib3d_c.h b/modules/calib3d/include/opencv2/calib3d/calib3d_c.h
index 2392692..90942df 100644
--- a/modules/calib3d/include/opencv2/calib3d/calib3d_c.h
+++ b/modules/calib3d/include/opencv2/calib3d/calib3d_c.h
@@ -415,6 +415,7 @@ public:
     int state;
     int iters;
     bool completeSymmFlag;
+    int solveMethod;
 };
 
 #endif
diff --git a/modules/calib3d/src/compat_ptsetreg.cpp b/modules/calib3d/src/compat_ptsetreg.cpp
index 6bc407e..e0f387d 100644
--- a/modules/calib3d/src/compat_ptsetreg.cpp
+++ b/modules/calib3d/src/compat_ptsetreg.cpp
@@ -58,6 +58,7 @@ CvLevMarq::CvLevMarq()
     iters = 0;
     completeSymmFlag = false;
     errNorm = prevErrNorm = DBL_MAX;
+    solveMethod = cv::DECOMP_SVD;
 }
 
 CvLevMarq::CvLevMarq( int nparams, int nerrs, CvTermCriteria criteria0, bool _completeSymmFlag )
@@ -113,6 +114,7 @@ void CvLevMarq::init( int nparams, int nerrs, CvTermCriteria criteria0, bool _co
     state = STARTED;
     iters = 0;
     completeSymmFlag = _completeSymmFlag;
+    solveMethod = cv::DECOMP_SVD;
 }
 
 bool CvLevMarq::update( const CvMat*& _param, CvMat*& matJ, CvMat*& _err )
@@ -314,7 +316,7 @@ void CvLevMarq::step()
 #else
     _JtJN.diag() += lambda;
 #endif
-    solve(_JtJN, _JtErr, nonzero_param);
+    solve(_JtJN, _JtErr, nonzero_param, solveMethod);
 
     int j = 0;
     for( int i = 0; i < nparams; i++ )
-- 
2.7.4