std::size_t hash_value(const CGAL::Point_2<Kernel>& point)
{
std::size_t seed = 0;
boost::hash_combine(seed, to_double(point.x()));
boost::hash_combine(seed, to_double(point.y()));
return seed;
}
arma::vec3
toArmaVec3(const CGAL::Point_2< K> & vec)
{
arma::vec3 v;
v(0) = CGAL::to_double(vec.x());
v(1) = CGAL::to_double(vec.y());
v(2) = 0.0;
return v;
}
// get the point position on segment
// in [0,1] if its on the interior
static Kernel::FT point_position( const CGAL::Segment_2<Kernel>& seg, const CGAL::Point_2<Kernel>& pt )
{
CGAL::Point_2<Kernel> pA = seg.source();
CGAL::Point_2<Kernel> pB = seg.target();
Kernel::FT num = pt.x() - pA.x();
Kernel::FT den = pB.x() - pA.x();
if ( den == 0 ) {
num = pt.y() - pA.y();
den = pB.y() - pA.y();
}
return num / den;
}
void print_point ( CGAL::Point_2<K> const& p )
{
std::cout << "(" << p.x() << "," << p.y() << ")" ;
}
FT
operator () (const CGAL::Point_2<K> &p) const
{
return _a * p.x() + _b * p.y() + _c;
}
void print_point ( CGAL::Point_2<K> const& p )
{
//CGAL::exact(p);
std::cout << p.x() << " " << p.y();
}
