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Diffstat (limited to 'src/Witness_complex/test/test_simple_witness_complex.cpp')
-rw-r--r-- | src/Witness_complex/test/test_simple_witness_complex.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/Witness_complex/test/test_simple_witness_complex.cpp b/src/Witness_complex/test/test_simple_witness_complex.cpp new file mode 100644 index 00000000..abd0a0dd --- /dev/null +++ b/src/Witness_complex/test/test_simple_witness_complex.cpp @@ -0,0 +1,103 @@ +/* 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): Siargey Kachanovich + * + * Copyright (C) 2016 INRIA Sophia Antipolis-Méditerranée (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/>. + */ + +#define BOOST_TEST_DYN_LINK +#define BOOST_TEST_MODULE "simple_witness_complex" +#include <boost/test/unit_test.hpp> +#include <boost/mpl/list.hpp> + +#include <CGAL/Epick_d.h> + +#include <gudhi/Simplex_tree.h> +#include <gudhi/Witness_complex.h> +#include <gudhi/Strong_witness_complex.h> + +#include <iostream> +#include <ctime> +#include <vector> + +typedef Gudhi::Simplex_tree<> Simplex_tree; +typedef std::vector< Vertex_handle > typeVectorVertex; +typedef CGAL::Epick_d<CGAL::Dynamic_dimension_tag> Kernel; +typedef typename Kernel::FT FT; +typedef typename Kernel::Point_d Point_d; +typedef Gudhi::witness_complex::Witness_complex<Kernel> WitnessComplex; +typedef Gudhi::witness_complex::Strong_witness_complex<Kernel> StrongWitnessComplex; + +/* All landmarks and witnesses are taken on the grid in the following manner. + LWLWL + WW.WW + L...L + WW.WW + LWLWL + + Witness complex consists of 8 vertices, 12 edges and 4 triangles + */ + +BOOST_AUTO_TEST_CASE(simple_witness_complex) { + Simplex_tree complex, relaxed_complex, strong_relaxed_complex; + + std::vector<Point_d> witnesses, landmarks; + + landmarks.push_back(Point_d(std::vector<FT>{-2,-2})); + landmarks.push_back(Point_d(std::vector<FT>{-2, 0})); + landmarks.push_back(Point_d(std::vector<FT>{-2, 2})); + landmarks.push_back(Point_d(std::vector<FT>{ 0,-2})); + landmarks.push_back(Point_d(std::vector<FT>{ 0, 2})); + landmarks.push_back(Point_d(std::vector<FT>{ 2,-2})); + landmarks.push_back(Point_d(std::vector<FT>{ 2, 0})); + landmarks.push_back(Point_d(std::vector<FT>{ 2, 2})); + witnesses.push_back(Point_d(std::vector<FT>{-2,-1})); + witnesses.push_back(Point_d(std::vector<FT>{-2, 1})); + witnesses.push_back(Point_d(std::vector<FT>{-1,-2})); + witnesses.push_back(Point_d(std::vector<FT>{-1,-1})); + witnesses.push_back(Point_d(std::vector<FT>{-1, 1})); + witnesses.push_back(Point_d(std::vector<FT>{-1, 2})); + witnesses.push_back(Point_d(std::vector<FT>{ 1,-2})); + witnesses.push_back(Point_d(std::vector<FT>{ 1,-1})); + witnesses.push_back(Point_d(std::vector<FT>{ 1, 1})); + witnesses.push_back(Point_d(std::vector<FT>{ 1, 2})); + witnesses.push_back(Point_d(std::vector<FT>{ 2,-1})); + witnesses.push_back(Point_d(std::vector<FT>{ 2, 1})); + + WitnessComplex witness_complex(landmarks.begin(), + landmarks.end(), + witnesses.begin(), + witnesses.end()); + witness_complex.create_complex(complex, 0); + + BOOST_CHECK(complex.num_simplices() == 24); + + witness_complex.create_complex(relaxed_complex, 8.01); + + BOOST_CHECK(relaxed_complex.num_simplices() == 239); + + StrongWitnessComplex strong_witness_complex(landmarks.begin(), + landmarks.end(), + witnesses.begin(), + witnesses.end()); + + strong_witness_complex.create_complex(strong_relaxed_complex, 9.1); + + BOOST_CHECK(strong_relaxed_complex.num_simplices() == 239); + +} |