diff options
Diffstat (limited to 'src/Bottleneck_distance/test/bottleneck_chrono.cpp')
-rw-r--r-- | src/Bottleneck_distance/test/bottleneck_chrono.cpp | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/src/Bottleneck_distance/test/bottleneck_chrono.cpp b/src/Bottleneck_distance/test/bottleneck_chrono.cpp deleted file mode 100644 index a30d42b5..00000000 --- a/src/Bottleneck_distance/test/bottleneck_chrono.cpp +++ /dev/null @@ -1,62 +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: Francois Godi - * - * 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/Bottleneck.h> -#include <chrono> -#include <fstream> -#include <random> - -using namespace Gudhi::persistence_diagram; - - -double upper_bound = 400.; // any real >0 - -int main(){ - std::ofstream objetfichier; - objetfichier.open("results.csv", std::ios::out); - - for(int n = 1000; n<=10000; n+=1000){ - std::uniform_real_distribution<double> unif1(0.,upper_bound); - std::uniform_real_distribution<double> unif2(upper_bound/1000.,upper_bound/100.); - std::default_random_engine re; - std::vector< std::pair<double, double> > v1, v2; - for (int i = 0; i < n; i++) { - double a = unif1(re); - double b = unif1(re); - double x = unif2(re); - double y = unif2(re); - v1.emplace_back(std::min(a,b), std::max(a,b)); - v2.emplace_back(std::min(a,b)+std::min(x,y), std::max(a,b)+std::max(x,y)); - if(i%5==0) - v1.emplace_back(std::min(a,b),std::min(a,b)+x); - if(i%3==0) - v2.emplace_back(std::max(a,b),std::max(a,b)+y); - } - std::chrono::steady_clock::time_point start = std::chrono::steady_clock::now(); - double b = bottleneck_distance(v1, v2); - std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now(); - typedef std::chrono::duration<int,std::milli> millisecs_t; - millisecs_t duration(std::chrono::duration_cast<millisecs_t>(end-start)); - objetfichier << n << ";" << duration.count() << ";" << b << std::endl; - } - objetfichier.close(); -} |