Home | History | Annotate | Download | only in ceres
      1 // Ceres Solver - A fast non-linear least squares minimizer
      2 // Copyright 2013 Google Inc. All rights reserved.
      3 // http://code.google.com/p/ceres-solver/
      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: keir (at) google.com (Keir Mierle)
     30 //         sameeragarwal (at) google.com (Sameer Agarwal)
     31 
     32 #include "ceres/evaluator_test_utils.h"
     33 #include "ceres/internal/eigen.h"
     34 #include "gtest/gtest.h"
     35 
     36 namespace ceres {
     37 namespace internal {
     38 
     39 void CompareEvaluations(int expected_num_rows,
     40                         int expected_num_cols,
     41                         double expected_cost,
     42                         const double* expected_residuals,
     43                         const double* expected_gradient,
     44                         const double* expected_jacobian,
     45                         const double actual_cost,
     46                         const double* actual_residuals,
     47                         const double* actual_gradient,
     48                         const double* actual_jacobian) {
     49   EXPECT_EQ(expected_cost, actual_cost);
     50 
     51   if (expected_residuals != NULL) {
     52     ConstVectorRef expected_residuals_vector(expected_residuals,
     53                                              expected_num_rows);
     54     ConstVectorRef actual_residuals_vector(actual_residuals,
     55                                            expected_num_rows);
     56     EXPECT_TRUE((actual_residuals_vector.array() ==
     57                  expected_residuals_vector.array()).all())
     58         << "Actual:\n" << actual_residuals_vector
     59         << "\nExpected:\n" << expected_residuals_vector;
     60   }
     61 
     62   if (expected_gradient != NULL) {
     63     ConstVectorRef expected_gradient_vector(expected_gradient,
     64                                             expected_num_cols);
     65     ConstVectorRef actual_gradient_vector(actual_gradient,
     66                                             expected_num_cols);
     67 
     68     EXPECT_TRUE((actual_gradient_vector.array() ==
     69                  expected_gradient_vector.array()).all())
     70         << "Actual:\n" << actual_gradient_vector.transpose()
     71         << "\nExpected:\n" << expected_gradient_vector.transpose();
     72   }
     73 
     74   if (expected_jacobian != NULL) {
     75     ConstMatrixRef expected_jacobian_matrix(expected_jacobian,
     76                                             expected_num_rows,
     77                                             expected_num_cols);
     78     ConstMatrixRef actual_jacobian_matrix(actual_jacobian,
     79                                           expected_num_rows,
     80                                           expected_num_cols);
     81     EXPECT_TRUE((actual_jacobian_matrix.array() ==
     82                  expected_jacobian_matrix.array()).all())
     83         << "Actual:\n" << actual_jacobian_matrix
     84         << "\nExpected:\n" << expected_jacobian_matrix;
     85   }
     86 }
     87 
     88 }  // namespace internal
     89 }  // namespace ceres
     90