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Diffstat (limited to 'src/Gudhi_stat/example/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp')
-rw-r--r-- | src/Gudhi_stat/example/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/src/Gudhi_stat/example/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp b/src/Gudhi_stat/example/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp deleted file mode 100644 index ac64a798..00000000 --- a/src/Gudhi_stat/example/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp +++ /dev/null @@ -1,92 +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) 2015 INRIA Sophia-Saclay (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/abstract_classes/Abs_Topological_data.h> -#include <gudhi/concretizations/Persistence_landscape.h> - - - -using namespace Gudhi; -using namespace Gudhi::Gudhi_stat; - -#include <iostream> -#include <sstream> - - -int main( int argc , char** argv ) -{ - std::cout << "This program compute scalar product of persistence landscapes stored in a file (the file needs to be created beforehand). \n"; - std::cout << "The parameters of this programs are names of files with persistence landscapes.\n"; - - std::vector< const char* > filenames; - for ( int i = 1 ; i < argc ; ++i ) - { - filenames.push_back( argv[i] ); - } - std::vector< Persistence_landscape > landscaspes; - landscaspes.reserve( filenames.size() ); - for ( size_t file_no = 0 ; file_no != filenames.size() ; ++file_no ) - { - std::cout << "Reading persistence landscape from a file : " << filenames[file_no] << std::endl; - Persistence_landscape l; - l.load_landscape_from_file( filenames[file_no] ); - landscaspes.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 != landscaspes.size() ; ++i ) - { - for ( size_t j = i ; j != landscaspes.size() ; ++j ) - { - scalar_product[i][j] = scalar_product[j][i] = compute_inner_product( landscaspes[i], landscaspes[j] ) ; - } - } - - //and now output the result to the screen and a file: - ofstream out; - out.open( "scalar_product" ); - for ( size_t i = 0 ; i != scalar_product.size() ; ++i ) - { - for ( size_t j = 0 ; j != scalar_product.size() ; ++j ) - { - cout << scalar_product[i][j] << " "; - out << scalar_product[i][j] << " "; - } - cout << endl; - out << endl; - } - out.close(); - - return 0; -} |