diff options
Diffstat (limited to 'src/Gudhi_stat/utilities/persistence_intervals/compute_birth_death_range_in_persistence_diagram.cpp')
-rw-r--r-- | src/Gudhi_stat/utilities/persistence_intervals/compute_birth_death_range_in_persistence_diagram.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/Gudhi_stat/utilities/persistence_intervals/compute_birth_death_range_in_persistence_diagram.cpp b/src/Gudhi_stat/utilities/persistence_intervals/compute_birth_death_range_in_persistence_diagram.cpp new file mode 100644 index 00000000..2c55a806 --- /dev/null +++ b/src/Gudhi_stat/utilities/persistence_intervals/compute_birth_death_range_in_persistence_diagram.cpp @@ -0,0 +1,72 @@ +/* This file is part of the Gudhi Library. The Gudhi library + * (Geometric Understanding in Higher Dimensions) is a generic C++ + * library for computational topology. + * + * Author(s): Pawel Dlotko + * + * Copyright (C) 2015 INRIA (France) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + + + +#include <gudhi/reader_utils.h> +#include <gudhi/abstract_classes/Abs_Topological_data.h> +#include <gudhi/concretizations/Persistence_intervals.h> + +#include <iostream> +#include <vector> +#include <limits> + + + +using namespace Gudhi; +using namespace Gudhi::Gudhi_stat; + +using namespace std; + + +int main( int argc , char** argv ) +{ + //std::cout << "This program compute minimum birth and the maximum death time for a collection of persistence intervals \n"; + //if ( argc != 2 ) + //{ + // cout << "To run this program, please provide the name of a file with persistence diagram \n"; + // return 1; + //} + //Persistence_intervals p( argv[1] ); + //std::pair<double,double> min_max_ = p.min_max(); + //cout << "Birth-death range : min: " << min_max_.first << ", max: " << min_max_.second << endl; + + std::vector< const char* > filenames; + for ( int i = 1 ; i < argc ; ++i ) + { + filenames.push_back( argv[i] ); + } + + double min_ = std::numeric_limits<double>::max(); + double max_ = -std::numeric_limits<double>::max(); + + for ( size_t file_no = 0 ; file_no != filenames.size() ; ++file_no ) + { + std::cout << "Creating diagram based on a file : " << filenames[file_no] << std::endl; + Persistence_intervals p( filenames[file_no] ); + std::pair<double,double> min_max_ = p.min_max(); + if ( min_max_.first < min_ )min_ = min_max_.first; + if ( min_max_.second > max_ )max_ = min_max_.second; + } + cout << "Birth-death range : min: " << min_ << ", max: " << max_ << endl; + return 0; +} |