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Diffstat (limited to 'src/Persistence_representations/test/kernels.cpp')
| -rw-r--r-- | src/Persistence_representations/test/kernels.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/Persistence_representations/test/kernels.cpp b/src/Persistence_representations/test/kernels.cpp new file mode 100644 index 00000000..9db19123 --- /dev/null +++ b/src/Persistence_representations/test/kernels.cpp @@ -0,0 +1,54 @@ +/* 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): Mathieu Carrière + * + * Copyright (C) 2018 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/>. + */ + +#define BOOST_TEST_DYN_LINK +#define BOOST_TEST_MODULE "kernel" + +#include <boost/test/unit_test.hpp> +#include <cmath> // float comparison +#include <limits> +#include <string> +#include <vector> +#include <algorithm> // std::max +#include <gudhi/common_persistence_representations.h> +#include <gudhi/Weight_functions.h> +#include <gudhi/Persistence_weighted_gaussian.h> +#include <gudhi/Sliced_Wasserstein.h> +#include <gudhi/distance_functions.h> +#include <gudhi/reader_utils.h> + +using SW = Gudhi::Persistence_representations::Sliced_Wasserstein; +using PWG = Gudhi::Persistence_representations::Persistence_weighted_gaussian; + +BOOST_AUTO_TEST_CASE(check_PWG) { + Persistence_diagram v1, v2; v1.emplace_back(0,1); v2.emplace_back(0,2); + PWG pwg1(v1, 1.0, 1000, Gudhi::Persistence_representations::arctan_weight(1,1)); PWG pwgex1(v1, 1.0, -1, Gudhi::Persistence_representations::arctan_weight(1,1)); + PWG pwg2(v2, 1.0, 1000, Gudhi::Persistence_representations::arctan_weight(1,1)); PWG pwgex2(v2, 1.0, -1, Gudhi::Persistence_representations::arctan_weight(1,1)); + BOOST_CHECK(std::abs(pwg1.compute_scalar_product(pwg2) - pwgex1.compute_scalar_product(pwgex2)) <= 1e-1); +} + +BOOST_AUTO_TEST_CASE(check_SW) { + Persistence_diagram v1, v2; v1.emplace_back(0,1); v2.emplace_back(0,2); + SW sw1(v1, 1.0, 100); SW swex1(v1, 1.0, -1); + SW sw2(v2, 1.0, 100); SW swex2(v2, 1.0, -1); + BOOST_CHECK(std::abs(sw1.compute_scalar_product(sw2) - swex1.compute_scalar_product(swex2)) <= 1e-1); +} |