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-rw-r--r--example/Persistence_representations/persistence_vectors.cpp74
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diff --git a/example/Persistence_representations/persistence_vectors.cpp b/example/Persistence_representations/persistence_vectors.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_vectors.h>
-
-#include <iostream>
-#include <vector>
-#include <cmath>
-#include <iomanip>
-#include <limits>
-#include <utility>
-
-using Vector_distances_in_diagram =
- Gudhi::Persistence_representations::Vector_distances_in_diagram<Gudhi::Euclidean_distance>;
-
-int main(int argc, char** argv) {
- // create two simple vectors with birth--death pairs:
-
- std::vector<std::pair<double, double> > persistence1;
- std::vector<std::pair<double, double> > persistence2;
-
- persistence1.push_back(std::make_pair(1, 2));
- persistence1.push_back(std::make_pair(6, 8));
- persistence1.push_back(std::make_pair(0, 4));
- persistence1.push_back(std::make_pair(3, 8));
-
- persistence2.push_back(std::make_pair(2, 9));
- persistence2.push_back(std::make_pair(1, 6));
- persistence2.push_back(std::make_pair(3, 5));
- persistence2.push_back(std::make_pair(6, 10));
-
- // create two persistence vectors based on persistence1 and persistence2:
- Vector_distances_in_diagram v1(persistence1, std::numeric_limits<size_t>::max());
- Vector_distances_in_diagram v2(persistence2, std::numeric_limits<size_t>::max());
-
- // writing to a stream:
- std::cout << "v1 : " << v1 << std::endl;
- std::cout << "v2 : " << v2 << std::endl;
-
- // averages:
- Vector_distances_in_diagram average;
- average.compute_average({&v1, &v2});
- std::cout << "Average : " << average << std::endl;
-
- // computations of distances:
- std::cout << "l^1 distance : " << v1.distance(v2) << std::endl;
-
- // computations of scalar product:
- std::cout << "Scalar product of l1 and l2 : " << v1.compute_scalar_product(v2) << std::endl;
-
- // create a file with a gnuplot script:
- v1.plot("plot_of_vector_representation");
-
- return 0;
-}