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factorize

This commit is contained in:
Sébastien Loriot 2021-06-15 14:36:26 +02:00
parent 46b112dd54
commit 65d630536b
1 changed files with 13 additions and 3 deletions
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16
Intersections_3/include/CGAL/Intersections_3/internal/Bbox_3_Triangle_3_do_intersect.h
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@ -140,6 +140,16 @@ namespace internal {
} }
} }
template <class K, int SIDE>
inline
Sign
do_axis_intersect_aux_impl(const typename K::FT& alpha,
const typename K::FT& beta,
const typename K::FT& c_alpha,
const typename K::FT& c_beta)
{
return - c_alpha * alpha + c_beta * beta;
}
template <class K, int SIDE> template <class K, int SIDE>
inline inline
@ -148,7 +158,7 @@ namespace internal {
const typename K::FT& beta, const typename K::FT& beta,
const typename K::Vector_3* sides) const typename K::Vector_3* sides)
{ {
return -sides[SIDE].z()*alpha + sides[SIDE].y()*beta; return do_axis_intersect_aux_impl<K, SIDE>(alpha, beta, sides[SIDE].z(), sides[SIDE].y());
} }
template <class K, int SIDE> template <class K, int SIDE>
@ -158,7 +168,7 @@ namespace internal {
const typename K::FT& beta, const typename K::FT& beta,
const typename K::Vector_3* sides) const typename K::Vector_3* sides)
{ {
return sides[SIDE].z()*alpha - sides[SIDE].x()*beta; return do_axis_intersect_aux_impl<K, SIDE>(beta, alpha, sides[SIDE].x(), sides[SIDE].z());
} }
template <class K, int SIDE> template <class K, int SIDE>
@ -168,7 +178,7 @@ namespace internal {
const typename K::FT& beta, const typename K::FT& beta,
const typename K::Vector_3* sides) const typename K::Vector_3* sides)
{ {
return -sides[SIDE].y()*alpha + sides[SIDE].x()*beta; return do_axis_intersect_aux_impl<K, SIDE>(alpha, beta, sides[SIDE].y(), sides[SIDE].x());
} }
//given a vector checks whether it is collinear to a base vector //given a vector checks whether it is collinear to a base vector