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-rw-r--r--src/Coxeter_triangulation/test/manifold_tracing_test.cpp66
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diff --git a/src/Coxeter_triangulation/test/manifold_tracing_test.cpp b/src/Coxeter_triangulation/test/manifold_tracing_test.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): 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 );
+
+}