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Split_3 + do_overlap

This commit is contained in:
Pedro Machado Manhaes de Castro 2006-08-12 16:26:56 +00:00
parent 8cc7601d38
commit 62dd84a760
1 changed files with 65 additions and 1 deletions
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66
Circular_kernel_3/include/CGAL/Circular_kernel_3/internal_function_has_on_spherical_kernel.h
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@ -185,7 +185,71 @@ namespace CGAL {
return non_oriented_equal<SK>(l, la.supporting_line());
}
// TO DO
template< class SK>
inline
Sign
compute_sign_of_cross_product(const typename SK::Root_of_2 &x1,
const typename SK::Root_of_2 &y1,
const typename SK::Root_of_2 &z1,
const typename SK::Root_of_2 &x2,
const typename SK::Root_of_2 &y2,
const typename SK::Root_of_2 &z2) {
typedef typename SK::Root_of_2 Root_of_2;
const Root_of_2 cx = y1 * z2 - z1 * y2;
const Root_of_2 cy = z1 * x2 - x1 * z2;
const Root_of_2 cz = x1 * y2 - y1 * x2;
if(!is_zero(cx)) return sign(cx);
if(!is_zero(cy)) return sign(cy);
return sign(cz);
}
template< class SK>
inline
Sign
compute_sign_of_cross_product(const typename SK::FT &x1,
const typename SK::FT &y1,
const typename SK::FT &z1,
const typename SK::FT &x2,
const typename SK::FT &y2,
const typename SK::FT &z2) {
typedef typename SK::FT FT;
const FT cx = y1 * z2 - z1 * y2;
const FT cy = z1 * x2 - x1 * z2;
const FT cz = x1 * y2 - y1 * x2;
if(!is_zero(cx)) return sign(cx);
if(!is_zero(cy)) return sign(cy);
return sign(cz);
}
template< class SK>
inline
Sign
compute_sign_of_cross_product(const typename SK::Circular_arc_point_3 &p1,
const typename SK::Circular_arc_point_3 &p2,
const typename SK::Point_3 &c) {
return compute_sign_of_cross_product<SK>(p1.x()-c.x(),
p1.y()-c.y(),
p1.z()-c.z(),
p2.x()-c.x(),
p2.y()-c.y(),
p2.z()-c.z());
}
template< class SK>
inline
Sign
compute_sign_of_cross_product(const typename SK::Point_3 &p1,
const typename SK::Point_3 &p2,
const typename SK::Point_3 &c) {
return compute_sign_of_cross_product<SK>(p1.x()-c.x(),
p1.y()-c.y(),
p1.z()-c.z(),
p2.x()-c.x(),
p2.y()-c.y(),
p2.z()-c.z());
}
template <class SK>
inline
bool