diff options
Diffstat (limited to 'utilities/Persistence_representations/persistence_intervals/compute_number_of_dominant_intervals.cpp')
-rw-r--r-- | utilities/Persistence_representations/persistence_intervals/compute_number_of_dominant_intervals.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/utilities/Persistence_representations/persistence_intervals/compute_number_of_dominant_intervals.cpp b/utilities/Persistence_representations/persistence_intervals/compute_number_of_dominant_intervals.cpp new file mode 100644 index 00000000..b3d126f0 --- /dev/null +++ b/utilities/Persistence_representations/persistence_intervals/compute_number_of_dominant_intervals.cpp @@ -0,0 +1,54 @@ +/* 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) 2016 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/Persistence_intervals.h> + +#include <iostream> +#include <limits> +#include <vector> +#include <utility> + +using Persistence_intervals = Gudhi::Persistence_representations::Persistence_intervals; + +int main(int argc, char** argv) { + std::cout << "This program compute the dominant intervals. A number of intervals to be displayed is a parameter of " + "this program. \n"; + if (argc != 4) { + std::cout << "To run this program, please provide the name of a file with persistence diagram, dimension of " + "intervals that should be taken into account (if your file contains only persistence pairs in a " + "single dimension, set it up to -1) and number of dominant intervals you would like to get \n"; + return 1; + } + int dim = atoi(argv[2]); + unsigned dimension = std::numeric_limits<unsigned>::max(); + if (dim >= 0) { + dimension = (unsigned)dim; + } + Persistence_intervals p(argv[1], dimension); + std::vector<std::pair<double, double> > dominant_intervals = p.dominant_intervals(atoi(argv[3])); + std::cout << "Here are the dominant intervals : " << std::endl; + for (size_t i = 0; i != dominant_intervals.size(); ++i) { + std::cout << " " << dominant_intervals[i].first << "," << dominant_intervals[i].second << " " << std::endl; + } + + return 0; +} |