1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
* See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
* 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::clog << "out_simplex_map.size() = " << out_simplex_map.size() << "\n";
BOOST_CHECK(out_simplex_map.size() == 1118);
// 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::clog << "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::clog << "boundary_simplex_map.size() = " << boundary_simplex_map.size() << "\n";
BOOST_CHECK(boundary_simplex_map.size() == 54);
}
|
