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diff --git a/utilities/Persistence_representations/persistence_intervals/compute_bottleneck_distance.cpp b/utilities/Persistence_representations/persistence_intervals/compute_bottleneck_distance.cpp
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--- a/utilities/Persistence_representations/persistence_intervals/compute_bottleneck_distance.cpp
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-/* 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_intervals_with_distances.h>
-
-#include <iostream>
-#include <sstream>
-#include <limits>
-#include <vector>
-
-using Persistence_intervals_with_distances = Gudhi::Persistence_representations::Persistence_intervals_with_distances;
-
-int main(int argc, char** argv) {
- std::cout << "This program computes the bottleneck distance of persistence pairs in diagrams provided as "
- << "an input.\n"
- << "The first parameter is the dimension of persistence to be used to create persistence intervals. "
- << "If your file contains the information about dimension of persistence pairs, please provide here the "
- << "dimension of persistence pairs you want to use. "
- << "If your input files consist only of birth-death pairs, please set this first parameter to -1.\n"
- << "The remaining parameters of the program are the names of files with persistence diagrams.\n";
-
- if (argc < 3) {
- std::cout << "Wrong number of parameters, the program will now terminate \n";
- return 1;
- }
-
- unsigned dimension = std::numeric_limits<unsigned>::max();
- int dim = atoi(argv[1]);
- if (dim >= 0) {
- dimension = (unsigned)dim;
- }
-
- std::vector<const char*> filenames;
- for (int i = 2; i < argc; ++i) {
- filenames.push_back(argv[i]);
- }
-
- // reading the persistence intervals:
- std::vector<Persistence_intervals_with_distances> persistence_intervals;
- for (size_t i = 0; i != filenames.size(); ++i) {
- Persistence_intervals_with_distances pers(filenames[i], dimension);
- persistence_intervals.push_back(pers);
- }
-
- // and now we will compute the scalar product of landscapes.
-
- // first we prepare an array:
- std::vector<std::vector<double> > distance(filenames.size());
- for (size_t i = 0; i != filenames.size(); ++i) {
- std::vector<double> v(filenames.size(), 0);
- distance[i] = v;
- }
-
- // and now we can compute the distances:
- for (size_t i = 0; i != persistence_intervals.size(); ++i) {
- for (size_t j = i + 1; j != persistence_intervals.size(); ++j) {
- distance[i][j] = distance[j][i] = persistence_intervals[i].distance(persistence_intervals[j]);
- }
- }
-
- // and now output the result to the screen and a file:
- std::ofstream out;
- out.open("distance.itv");
- for (size_t i = 0; i != distance.size(); ++i) {
- for (size_t j = 0; j != distance.size(); ++j) {
- std::cout << distance[i][j] << " ";
- out << distance[i][j] << " ";
- }
- std::cout << std::endl;
- out << std::endl;
- }
- out.close();
-
- std::cout << "Distance can be found in 'distance.itv' file\n";
- return 0;
-}