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Diffstat (limited to 'utilities/Persistence_representations/persistence_heat_maps/compute_scalar_product_of_persistence_heat_maps.cpp')
-rw-r--r-- | utilities/Persistence_representations/persistence_heat_maps/compute_scalar_product_of_persistence_heat_maps.cpp | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/utilities/Persistence_representations/persistence_heat_maps/compute_scalar_product_of_persistence_heat_maps.cpp b/utilities/Persistence_representations/persistence_heat_maps/compute_scalar_product_of_persistence_heat_maps.cpp deleted file mode 100644 index 12fceedc..00000000 --- a/utilities/Persistence_representations/persistence_heat_maps/compute_scalar_product_of_persistence_heat_maps.cpp +++ /dev/null @@ -1,85 +0,0 @@ -/* 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 - * - * 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_heat_maps.h> - -#include <iostream> -#include <sstream> -#include <vector> - -using constant_scaling_function = Gudhi::Persistence_representations::constant_scaling_function; -using Persistence_heat_maps = Gudhi::Persistence_representations::Persistence_heat_maps<constant_scaling_function>; - -int main(int argc, char** argv) { - std::cout << "This program computes scalar product of persistence heat maps stored in a file (the file needs to be " - << "created beforehand). \n" - << "The parameters of this programs are names of files with persistence heat maps.\n"; - - if (argc < 3) { - std::cout << "Wrong number of parameters, the program will now terminate \n"; - return 1; - } - - std::vector<const char*> filenames; - for (int i = 1; i < argc; ++i) { - filenames.push_back(argv[i]); - } - std::vector<Persistence_heat_maps> maps; - maps.reserve(filenames.size()); - for (size_t file_no = 0; file_no != filenames.size(); ++file_no) { - Persistence_heat_maps l; - l.load_from_file(filenames[file_no]); - maps.push_back(l); - } - - // and now we will compute the scalar product of landscapes. - - // first we prepare an array: - std::vector<std::vector<double> > scalar_product(filenames.size()); - for (size_t i = 0; i != filenames.size(); ++i) { - std::vector<double> v(filenames.size(), 0); - scalar_product[i] = v; - } - - // and now we can compute the scalar product: - for (size_t i = 0; i != maps.size(); ++i) { - for (size_t j = i; j != maps.size(); ++j) { - scalar_product[i][j] = scalar_product[j][i] = maps[i].compute_scalar_product(maps[j]); - } - } - - // and now output the result to the screen and a file: - std::ofstream out; - out.open("scalar_product.mps"); - for (size_t i = 0; i != scalar_product.size(); ++i) { - for (size_t j = 0; j != scalar_product.size(); ++j) { - std::cout << scalar_product[i][j] << " "; - out << scalar_product[i][j] << " "; - } - std::cout << std::endl; - out << std::endl; - } - out.close(); - - std::cout << "Distance can be found in 'scalar_product.mps' file\n"; - return 0; -} |