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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): David Salinas
*
* Copyright (C) 2014 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/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <fstream>
#include <sstream>
#define BOOST_TEST_DYN_LINK
#define BOOST_TEST_MODULE "skeleton_blocker_geometric_complex"
#include <boost/test/unit_test.hpp>
#include <boost/mpl/list.hpp>
#include <gudhi/Skeleton_blocker.h>
struct Geometry_trait {
typedef std::vector<double> Point;
};
typedef Geometry_trait::Point Point;
typedef Gudhi::skeleton_blocker::Skeleton_blocker_simple_geometric_traits<Geometry_trait> Complex_geometric_traits;
typedef Gudhi::skeleton_blocker::Skeleton_blocker_geometric_complex< Complex_geometric_traits > Complex;
typedef Complex::Vertex_handle Vertex_handle;
typedef Complex_geometric_traits::Root_vertex_handle Root_vertex_handle;
BOOST_AUTO_TEST_CASE(test_skeleton_blocker_off_reader_writer) {
Complex complex;
Gudhi::skeleton_blocker::Skeleton_blocker_off_reader<Complex> off_reader("test2.off", complex);
BOOST_CHECK(off_reader.is_valid());
std::cout << "complex has " <<
complex.num_vertices() << " vertices, " <<
complex.num_blockers() << " blockers, " <<
complex.num_edges() << " edges and " <<
complex.num_triangles() << " triangles.";
BOOST_CHECK(complex.num_vertices() == 7);
BOOST_CHECK(complex.num_edges() == 12);
BOOST_CHECK(complex.num_triangles() == 6);
Gudhi::skeleton_blocker::Skeleton_blocker_off_writer<Complex> off_writer("tmp.off", complex);
Complex same;
Gudhi::skeleton_blocker::Skeleton_blocker_off_reader<Complex> off_reader2("tmp.off", same);
std::cout << "\ncomplex:" << complex.to_string() << std::endl;
std::cout << "\nsame:" << same.to_string() << std::endl;
BOOST_CHECK(complex == same);
}
BOOST_AUTO_TEST_CASE(test_skeleton_blocker_abstract_link) {
Complex complex;
Gudhi::skeleton_blocker::Skeleton_blocker_off_reader<Complex> off_reader("test2.off", complex);
BOOST_CHECK(off_reader.is_valid());
std::cout << "complex has " <<
complex.num_vertices() << " vertices, " <<
complex.num_blockers() << " blockers, " <<
complex.num_edges() << " edges and " <<
complex.num_triangles() << " triangles.";
BOOST_CHECK(complex.num_vertices() == 7);
BOOST_CHECK(complex.num_edges() == 12);
BOOST_CHECK(complex.num_triangles() == 6);
auto link_0 = complex.abstract_link(Vertex_handle(0));
std::cout << "\n link(0):" << link_0.to_string() << std::endl;
BOOST_CHECK(link_0.num_vertices() == 2);
BOOST_CHECK(link_0.num_edges() == 1);
BOOST_CHECK(link_0.num_blockers() == 0);
// Check the 2 link vertices
auto vertex_handle = link_0.vertex_range().begin();
BOOST_CHECK(link_0[*vertex_handle].get_id() == Root_vertex_handle(1));
vertex_handle++;
BOOST_CHECK(link_0[*(vertex_handle)].get_id() == Root_vertex_handle(4));
// Check the lonely link edge
auto edge_handle = link_0.edge_range().begin();
BOOST_CHECK(link_0[*edge_handle].first() == Root_vertex_handle(1));
BOOST_CHECK(link_0[*(edge_handle)].second() == Root_vertex_handle(4));
auto link_geometric_0 = complex.link(Vertex_handle(0));
std::cout << "\n link_geometric(0):" << link_geometric_0.to_string() << std::endl;
BOOST_CHECK(link_0 == link_geometric_0);
auto print_point = [&](Vertex_handle v) {
for (auto x : link_geometric_0.point(v)) std::cout << x << " ";
std::cout << std::endl;
};
std::for_each(link_geometric_0.vertex_range().begin(), link_geometric_0.vertex_range().end(), print_point);
// Check the 2 link vertices
vertex_handle = link_geometric_0.vertex_range().begin();
std::vector<double> point_1 = {0,2,0};
std::vector<double> point_4 = {-1,1,0};
BOOST_CHECK(link_geometric_0.point(*vertex_handle) == point_1);
vertex_handle++;
BOOST_CHECK(link_geometric_0.point(*vertex_handle) == point_4);
}
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