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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) 2015 INRIA Sophia Antipolis-Méditerranée (France)
*
* 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 <iostream>
#include <vector>
#include <CGAL/Epick_d.h>
#include <CGAL/enum.h>
typedef CGAL::Epick_d<CGAL::Dynamic_dimension_tag> K;
typedef K::Point_d Point_d;
typedef K::FT FT;
typedef K::Hyperplane_d Hyperplane_d;
typedef K::Has_on_positive_side_d Has_on_positive_side_d;
int main ()
{
std::vector<Point_d> vertices;
Point_d v1(std::vector<FT>({-1,1}));
Point_d v2(std::vector<FT>({1,-1}));
vertices.push_back(v1);
vertices.push_back(v2);
Point_d p(std::vector<FT>({-1,-1}));
Hyperplane_d hp(vertices.begin(), vertices.end());
//Hyperplane_d hp(vertices.begin(), vertices.end(), p, CGAL::ON_POSITIVE_SIDE);
if (Has_on_positive_side_d()(hp, p))
std::cout << "OK\n";
else
std::cout << "NOK\n";
CGAL::Oriented_side side_p = K::Oriented_side_d()(hp, p);
if (side_p == CGAL::ZERO)
std::cout << "Point (-1,-1) is on the line passing through (-1,1) and (1,-1)";
CGAL::Oriented_side side_v2 = K::Oriented_side_d()(hp, v2);
if (side_v2 != CGAL::ZERO)
std::cout << "Point (1,-1) is not on the line passing through (-1,1) and (1,-1)";
}
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