|  | // Ceres Solver - A fast non-linear least squares minimizer | 
|  | // Copyright 2023 Google Inc. All rights reserved. | 
|  | // http://ceres-solver.org/ | 
|  | // | 
|  | // 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 Google Inc. 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. | 
|  | // | 
|  | // Author: sameeragarwal@google.com (Sameer Agarwal) | 
|  |  | 
|  | #include "ceres/covariance.h" | 
|  |  | 
|  | #include <utility> | 
|  | #include <vector> | 
|  |  | 
|  | #include "ceres/covariance_impl.h" | 
|  | #include "ceres/problem.h" | 
|  | #include "ceres/problem_impl.h" | 
|  |  | 
|  | namespace ceres { | 
|  |  | 
|  | Covariance::Covariance(const Covariance::Options& options) { | 
|  | impl_ = std::make_unique<internal::CovarianceImpl>(options); | 
|  | } | 
|  |  | 
|  | Covariance::~Covariance() = default; | 
|  |  | 
|  | bool Covariance::Compute( | 
|  | const std::vector<std::pair<const double*, const double*>>& | 
|  | covariance_blocks, | 
|  | Problem* problem) { | 
|  | return impl_->Compute(covariance_blocks, problem->mutable_impl()); | 
|  | } | 
|  |  | 
|  | bool Covariance::Compute(const std::vector<const double*>& parameter_blocks, | 
|  | Problem* problem) { | 
|  | return impl_->Compute(parameter_blocks, problem->mutable_impl()); | 
|  | } | 
|  |  | 
|  | bool Covariance::GetCovarianceBlock(const double* parameter_block1, | 
|  | const double* parameter_block2, | 
|  | double* covariance_block) const { | 
|  | return impl_->GetCovarianceBlockInTangentOrAmbientSpace(parameter_block1, | 
|  | parameter_block2, | 
|  | true,  // ambient | 
|  | covariance_block); | 
|  | } | 
|  |  | 
|  | bool Covariance::GetCovarianceBlockInTangentSpace( | 
|  | const double* parameter_block1, | 
|  | const double* parameter_block2, | 
|  | double* covariance_block) const { | 
|  | return impl_->GetCovarianceBlockInTangentOrAmbientSpace(parameter_block1, | 
|  | parameter_block2, | 
|  | false,  // tangent | 
|  | covariance_block); | 
|  | } | 
|  |  | 
|  | bool Covariance::GetCovarianceMatrix( | 
|  | const std::vector<const double*>& parameter_blocks, | 
|  | double* covariance_matrix) const { | 
|  | return impl_->GetCovarianceMatrixInTangentOrAmbientSpace(parameter_blocks, | 
|  | true,  // ambient | 
|  | covariance_matrix); | 
|  | } | 
|  |  | 
|  | bool Covariance::GetCovarianceMatrixInTangentSpace( | 
|  | const std::vector<const double*>& parameter_blocks, | 
|  | double* covariance_matrix) const { | 
|  | return impl_->GetCovarianceMatrixInTangentOrAmbientSpace(parameter_blocks, | 
|  | false,  // tangent | 
|  | covariance_matrix); | 
|  | } | 
|  |  | 
|  | }  // namespace ceres |