| // Ceres Solver - A fast non-linear least squares minimizer | 
 | // Copyright 2013 Google Inc. All rights reserved. | 
 | // http://code.google.com/p/ceres-solver/ | 
 | // | 
 | // 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: keir@google.com (Keir Mierle) | 
 | //         sameeragarwal@google.com (Sameer Agarwal) | 
 | // | 
 | // Test utils used for evaluation testing. | 
 |  | 
 | namespace ceres { | 
 | namespace internal { | 
 |  | 
 | // Fixed sized struct for storing an evaluation. | 
 | struct ExpectedEvaluation { | 
 |   int num_rows; | 
 |   int num_cols; | 
 |   double cost; | 
 |   const double residuals[50]; | 
 |   const double gradient[50]; | 
 |   const double jacobian[200]; | 
 | }; | 
 |  | 
 | // Compare two evaluations. | 
 | void CompareEvaluations(int expected_num_rows, | 
 |                         int expected_num_cols, | 
 |                         double expected_cost, | 
 |                         const double* expected_residuals, | 
 |                         const double* expected_gradient, | 
 |                         const double* expected_jacobian, | 
 |                         const double actual_cost, | 
 |                         const double* actual_residuals, | 
 |                         const double* actual_gradient, | 
 |                         const double* actual_jacobian); | 
 |  | 
 | }  // namespace internal | 
 | }  // namespace ceres |