diff options
Diffstat (limited to 'src/Gudhi_stat/utilities/Hausdorff_subsampling.cpp')
| -rw-r--r-- | src/Gudhi_stat/utilities/Hausdorff_subsampling.cpp | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/src/Gudhi_stat/utilities/Hausdorff_subsampling.cpp b/src/Gudhi_stat/utilities/Hausdorff_subsampling.cpp index 5c3be0cc..b05a7adb 100644 --- a/src/Gudhi_stat/utilities/Hausdorff_subsampling.cpp +++ b/src/Gudhi_stat/utilities/Hausdorff_subsampling.cpp @@ -73,17 +73,42 @@ int main( int argc , char** argv ) points.push_back( point4 ); size_of_subsample = 2; */ -// std::vector< std::vector<double> > all_to_all_distance_matrix_between_points = compute_all_to_all_distance_matrix_between_points< std::vector<double> , Euclidean_distance<double> >( points ); +// std::vector< std::vector<double> > all_to_all_distance_matrix_between_points = compute_all_to_all_distance_matrix_between_points< std::vector<double> , Euclidean_distance >( points ); // Hausdorff_distance_between_subspace_and_the_whole_metric_space distance( all_to_all_distance_matrix_between_points ); std::cout << "Read : " << points.size() << " points.\n"; //comute all-to-all distance matrix: - std::vector< std::vector<double> > all_to_all_distance_matrix_between_points = compute_all_to_all_distance_matrix_between_points< std::vector<double> , Euclidean_distance<double> >( points ); + std::vector< std::vector<double> > all_to_all_distance_matrix_between_points = compute_all_to_all_distance_matrix_between_points< std::vector<double> , Euclidean_distance >( points ); Hausdorff_distance_between_subspace_and_the_whole_metric_space distance( all_to_all_distance_matrix_between_points ); identity< std::vector<size_t> > identity_char; + + double max = -1; + for ( size_t i = 0 ; i != all_to_all_distance_matrix_between_points.size() ; ++i ) + { + double min = 10000000; + for ( size_t j = 0 ; j != all_to_all_distance_matrix_between_points.size() ; ++j ) + { + double distance = 0; + if ( i > j ) + { + distance = all_to_all_distance_matrix_between_points[i][j]; + } + else + { + if ( i < j )distance = all_to_all_distance_matrix_between_points[j][i]; + } + if ( (distance < min)&&(distance != 0) )min = distance; + } + std::cerr << "min : " << min << std::endl; + //getchar(); + if ( min > max )max = min; + } + std::cerr << "Max element in distance matrix : " << max << std::endl; + getchar(); + // std::vector<size_t> characteristic_of_all_points = {0,1,2,3}; // std::vector<size_t> characteristic_of_subsampled_points = {2,3}; // std::cerr << "DISTANCE BETWEEN SAMPLE AND SUBSAMPLE: " << distance( characteristic_of_subsampled_points , characteristic_of_all_points ) << std::endl; |