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Diffstat (limited to 'src/Coxeter_triangulation/test/manifold_tracing_test.cpp')
-rw-r--r-- | src/Coxeter_triangulation/test/manifold_tracing_test.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/Coxeter_triangulation/test/manifold_tracing_test.cpp b/src/Coxeter_triangulation/test/manifold_tracing_test.cpp new file mode 100644 index 00000000..cff6ddfa --- /dev/null +++ b/src/Coxeter_triangulation/test/manifold_tracing_test.cpp @@ -0,0 +1,66 @@ +/* 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) 2019 Inria + * + * Modification(s): + * - YYYY/MM Author: Description of the modification + */ + +#define BOOST_TEST_DYN_LINK +#define BOOST_TEST_MODULE "manifold_tracing" +#include <boost/test/unit_test.hpp> +#include <gudhi/Unitary_tests_utils.h> + +#include <iostream> + +#include <gudhi/Coxeter_triangulation.h> +#include <gudhi/Functions/Function_Sm_in_Rd.h> +#include <gudhi/Implicit_manifold_intersection_oracle.h> +#include <gudhi/Manifold_tracing.h> + +using namespace Gudhi::coxeter_triangulation; + +BOOST_AUTO_TEST_CASE(manifold_tracing) { + // manifold without boundary + Function_Sm_in_Rd fun_sph(5.1111, 2); + auto oracle = make_oracle(fun_sph); + Coxeter_triangulation<> cox_tr(oracle.amb_d()); + // cox_tr.change_offset(Eigen::VectorXd::Random(oracle.amb_d())); + + using MT = Manifold_tracing<Coxeter_triangulation<> >; + Eigen::VectorXd seed = fun_sph.seed(); + std::vector<Eigen::VectorXd> seed_points(1, seed); + typename MT::Out_simplex_map out_simplex_map; + manifold_tracing_algorithm(seed_points, cox_tr, oracle, out_simplex_map); + + for (auto si_pair: out_simplex_map) { + BOOST_CHECK ( si_pair.first.dimension() == oracle.function().cod_d() ); + BOOST_CHECK ( si_pair.second.size() == (long int)oracle.function().amb_d() ); + } + std::cout << "out_simplex_map.size() = " << out_simplex_map.size() << "\n"; + BOOST_CHECK ( out_simplex_map.size() == 1140 ); + + + // manifold with boundary + Function_Sm_in_Rd fun_boundary(3.0, 2, fun_sph.seed()); + auto oracle_with_boundary = make_oracle(fun_sph, fun_boundary); + typename MT::Out_simplex_map interior_simplex_map, boundary_simplex_map; + manifold_tracing_algorithm(seed_points, cox_tr, oracle_with_boundary, interior_simplex_map, boundary_simplex_map); + for (auto si_pair: interior_simplex_map) { + BOOST_CHECK ( si_pair.first.dimension() == oracle.function().cod_d() ); + BOOST_CHECK ( si_pair.second.size() == (long int)oracle.function().amb_d() ); + } + std::cout << "interior_simplex_map.size() = " << interior_simplex_map.size() << "\n"; + BOOST_CHECK ( interior_simplex_map.size() == 96 ); + for (auto si_pair: boundary_simplex_map) { + BOOST_CHECK ( si_pair.first.dimension() == oracle.function().cod_d()+1 ); + BOOST_CHECK ( si_pair.second.size() == (long int)oracle.function().amb_d() ); + } + std::cout << "boundary_simplex_map.size() = " << boundary_simplex_map.size() << "\n"; + BOOST_CHECK ( boundary_simplex_map.size() == 55 ); + +} |