cgal/Triangulation/test/Triangulation/test_triangulation.cpp

125 lines
4.4 KiB
C++

#include <CGAL/Epick_d.h>
#include <CGAL/point_generators_d.h>
#include <CGAL/Triangulation.h>
#include <CGAL/algorithm.h>
#include <vector>
#include <string>
#include <fstream>
using namespace std;
template<typename T>
void test(const int d, const string & type, int N)
{
// we must write 'typename' below, because we are in a template-function,
// so the parser has no way to know that T contains sub-types, before
// instanciating the function.
typedef typename T::Full_cell_handle Full_cell_handle;
typedef typename T::Point Point;
typedef typename T::Geom_traits::RT RT;
typedef typename T::Finite_full_cell_const_iterator Finite_full_cell_const_iterator;
typedef typename T::Finite_vertex_const_iterator Finite_vertex_const_iterator;
typedef CGAL::Random_points_in_cube_d<Point> Random_points_iterator;
T tri(d);
cerr << "\nChecking Triangulation of (" << type << d << ") dimension "
<< tri.maximal_dimension();
assert(tri.empty());
vector<RT> coords(d);
vector<Point> points;
CGAL::Random rng;
Random_points_iterator rand_it(d, 1.0, rng);
CGAL::cpp11::copy_n(rand_it, N, std::back_inserter(points));
cerr << '\n' << points.size() << " points in the grid.";
tri.insert(points.begin(), points.end());
assert( tri.is_valid() );
cerr << "\nTraversing finite full_cells... ";
size_t nbfs(0), nbis(0);
Finite_full_cell_const_iterator fsit = tri.finite_full_cells_begin();
while( fsit != tri.finite_full_cells_end() )
{
Point c = fsit->circumcenter();
++fsit, ++nbfs;
}
cerr << nbfs << " + ";
vector<Full_cell_handle> infinite_full_cells;
tri.tds().incident_full_cells(tri.infinite_vertex(), std::back_inserter(infinite_full_cells));
nbis = infinite_full_cells.size();
cerr << nbis << " = " << (nbis+nbfs)
<< " = " << tri.number_of_full_cells();
cerr << "\nTraversing finite vertices... ";
size_t nbfv(0);
Finite_vertex_const_iterator fvit = tri.finite_vertices_begin();
while( fvit != tri.finite_vertices_end() )
{
++fvit, ++nbfv;
}
cerr << nbfv << " finite vertices (should be " << tri.number_of_vertices() << ").";
// TEST Copy Constructor
T tri2(tri);
assert( tri2.is_valid() );
assert( tri.current_dimension() == tri2.current_dimension() );
assert( tri.maximal_dimension() == tri2.maximal_dimension() );
assert( tri.number_of_vertices() == tri2.number_of_vertices() );
assert( tri.number_of_full_cells() == tri2.number_of_full_cells() );
// CLEAR
tri.clear();
assert(-1==tri.current_dimension());
assert(tri.empty());
assert( tri.is_valid() );
}
/*#define test_static(DIM) { \
typedef CGAL::Triangulation_data_structure<CGAL::Dimension_tag<DIM>> T; \
test<T>(DIM, string("static")+string(#DIM)); }
#define test_dyn(DIM) { \
typedef CGAL::Triangulation_data_structure<CGAL::Dynamic_dimension_tag> T; \
test<T>(DIM, string("dynamic")+string(#DIM)) ;}
#define test_mirror_static(DIM) { \
typedef CGAL::Triangulation_ds_full_cell<void, CGAL::T_full_cell_mirror_storage_policy> My_ds_full_cell; \
typedef CGAL::Triangulation_data_structure<CGAL::Dimension_tag<DIM>, \
CGAL::Triangulation_ds_vertex<>, \
My_ds_full_cell> My_tds; \
test<My_tds>(DIM, string("mirror&static")+string(#DIM)); }
#define test_mirror_dyn(DIM) { \
typedef CGAL::Triangulation_ds_full_cell<void, CGAL::T_full_cell_mirror_storage_policy> My_ds_full_cell; \
typedef CGAL::Triangulation_data_structure<CGAL::Dynamic_dimension_tag, \
CGAL::Triangulation_ds_vertex<>, \
My_ds_full_cell> My_tds; \
test<My_tds>(DIM, string("mirror&dynamic")+string(#DIM)) ;}
*/
template< int D >
void go(int N)
{
typedef CGAL::Epick_d<CGAL::Dimension_tag<D> > K;
//typedef CGAL::Epick_d<CGAL::Dynamic_dimension_tag> K;
typedef CGAL::Triangulation<K> Triangulation;
test<Triangulation>(D, "static", N);
//test<Triangulation>(D, "dynamic", N);
}
int main(int argc, char **argv)
{
srand(static_cast<unsigned int>(time(NULL)));
int N = 1000;
if( argc > 1 )
N = atoi(argv[1]);
go<5>(N);
go<3>(N);
go<2>(N);
go<1>(N);
cerr << std::endl;
return 0;
}