Imported Upstream version ceres 1.13.0
[platform/upstream/ceres-solver.git] / internal / ceres / covariance.cc
1 // Ceres Solver - A fast non-linear least squares minimizer
2 // Copyright 2015 Google Inc. All rights reserved.
3 // http://ceres-solver.org/
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are met:
7 //
8 // * Redistributions of source code must retain the above copyright notice,
9 //   this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above copyright notice,
11 //   this list of conditions and the following disclaimer in the documentation
12 //   and/or other materials provided with the distribution.
13 // * Neither the name of Google Inc. nor the names of its contributors may be
14 //   used to endorse or promote products derived from this software without
15 //   specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 // POSSIBILITY OF SUCH DAMAGE.
28 //
29 // Author: sameeragarwal@google.com (Sameer Agarwal)
30
31 #include "ceres/covariance.h"
32
33 #include <utility>
34 #include <vector>
35 #include "ceres/covariance_impl.h"
36 #include "ceres/problem.h"
37 #include "ceres/problem_impl.h"
38
39 namespace ceres {
40
41 using std::make_pair;
42 using std::pair;
43 using std::vector;
44
45 Covariance::Covariance(const Covariance::Options& options) {
46   impl_.reset(new internal::CovarianceImpl(options));
47 }
48
49 Covariance::~Covariance() {
50 }
51
52 bool Covariance::Compute(
53     const vector<pair<const double*, const double*> >& covariance_blocks,
54     Problem* problem) {
55   return impl_->Compute(covariance_blocks, problem->problem_impl_.get());
56 }
57
58 bool Covariance::Compute(
59     const vector<const double*>& parameter_blocks,
60     Problem* problem) {
61   return impl_->Compute(parameter_blocks, problem->problem_impl_.get());
62 }
63
64 bool Covariance::GetCovarianceBlock(const double* parameter_block1,
65                                     const double* parameter_block2,
66                                     double* covariance_block) const {
67   return impl_->GetCovarianceBlockInTangentOrAmbientSpace(parameter_block1,
68                                                           parameter_block2,
69                                                           true,  // ambient
70                                                           covariance_block);
71 }
72
73 bool Covariance::GetCovarianceBlockInTangentSpace(
74     const double* parameter_block1,
75     const double* parameter_block2,
76     double* covariance_block) const {
77   return impl_->GetCovarianceBlockInTangentOrAmbientSpace(parameter_block1,
78                                                           parameter_block2,
79                                                           false,  // tangent
80                                                           covariance_block);
81 }
82
83 bool Covariance::GetCovarianceMatrix(
84     const vector<const double*>& parameter_blocks,
85     double* covariance_matrix) {
86   return impl_->GetCovarianceMatrixInTangentOrAmbientSpace(parameter_blocks,
87                                                            true,  // ambient
88                                                            covariance_matrix);
89 }
90
91 bool Covariance::GetCovarianceMatrixInTangentSpace(
92     const std::vector<const double *>& parameter_blocks,
93     double *covariance_matrix) {
94   return impl_->GetCovarianceMatrixInTangentOrAmbientSpace(parameter_blocks,
95                                                            false,  // tangent
96                                                            covariance_matrix);
97 }
98
99 }  // namespace ceres