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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 "permutahedral_representation"
#include <boost/test/unit_test.hpp>
#include <gudhi/Permutahedral_representation.h>
BOOST_AUTO_TEST_CASE(permutahedral_representation) {
typedef std::vector<int> Vertex;
typedef std::vector<std::size_t> Part;
typedef std::vector<Part> Partition;
typedef Gudhi::coxeter_triangulation::Permutahedral_representation<Vertex, Partition> Simplex_handle;
Vertex v0(10, 0);
Partition omega = {Part({5}), Part({2}), Part({3,7}), Part({4,9}), Part({0,6,8}), Part({1,10})};
Simplex_handle s(v0, omega);
// Dimension check
BOOST_CHECK(s.dimension() == 5);
// Vertex number check
std::vector<Vertex> vertices;
for (auto& v: s.vertex_range())
vertices.push_back(v);
BOOST_CHECK(vertices.size() == 6);
// Facet number check
std::vector<Simplex_handle> facets;
for (auto& f: s.facet_range())
facets.push_back(f);
BOOST_CHECK(facets.size() == 6);
// Face of dim 3 number check
std::vector<Simplex_handle> faces3;
for (auto& f: s.face_range(3))
faces3.push_back(f);
BOOST_CHECK(faces3.size() == 15);
// Cofacet number check
std::vector<Simplex_handle> cofacets;
for (auto& f: s.cofacet_range())
cofacets.push_back(f);
BOOST_CHECK(cofacets.size() == 12);
// Is face check
Vertex v1(10, 0);
Partition omega1 = {Part({5}), Part({0,1,2,3,4,6,7,8,9,10})};
Simplex_handle s1(v1, omega1);
Vertex v2(10, 0); v2[1] = -1;
Partition omega2 = {Part({1}), Part({5}), Part({2}), Part({3,7}), Part({4,9}), Part({0,6,8}), Part({10})};
Simplex_handle s2(v2, omega2);
BOOST_CHECK(s.is_face_of(s));
BOOST_CHECK(s1.is_face_of(s));
BOOST_CHECK(!s2.is_face_of(s));
BOOST_CHECK(s.is_face_of(s2));
}
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