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corrected scope of sign_of_determinant

This commit is contained in:
Marc Pouget 2008-09-02 07:38:25 +00:00
parent 161254324b
commit 95e32bf74e
1 changed files with 7 additions and 3 deletions
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10
Jet_fitting_3/include/CGAL/Monge_via_jet_fitting.h
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@ -736,9 +736,13 @@ void Monge_via_jet_fitting<DataKernel, LocalKernel, SvdTraits>::
switch_to_direct_orientation(Vector_3& v1, const Vector_3& v2,
const Vector_3& v3)
{
CGAL::Sign orientation = CGAL::sign_of_determinant(v1[0], v2[0], v3[0],
v1[1], v2[1], v3[1],
v1[2], v2[2], v3[2]);
typedef typename CGAL::Linear_algebraCd<FT>::Matrix Matrix;
Matrix M(3,3);
for (int i=0; i<3; i++) M(i,0) = v1[i];
for (int i=0; i<3; i++) M(i,1) = v2[i];
for (int i=0; i<3; i++) M(i,2) = v3[i];
CGAL::Sign orientation = CGAL::Linear_algebraCd<FT>::sign_of_determinant(M);
if (orientation == CGAL::NEGATIVE) v1 = -v1;
}