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Radical Plane + (some pre-conditions)

This commit is contained in:
Pedro Machado Manhaes de Castro 2006-08-22 13:29:03 +00:00
parent 83f1fb6de5
commit 13c24e3bb8
1 changed files with 19 additions and 0 deletions
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19
Circular_kernel_3/include/CGAL/Circular_kernel_3/internal_functions_on_sphere_3.h
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@ -170,6 +170,8 @@ namespace CGAL {
typedef typename SK::Plane_3 Plane_3;
typedef typename SK::Point_3 Point_3;
typedef typename SK::FT FT;
// Concentric Spheres don't have radical plane
CGAL_kernel_precondition (s1.center() != s2.center());
const FT a = 2*(s2.center().x() - s1.center().x());
const FT b = 2*(s2.center().y() - s1.center().y());
const FT c = 2*(s2.center().z() - s1.center().z());
@ -199,6 +201,9 @@ namespace CGAL {
typedef typename SK::Root_for_spheres_2_3 Root_for_spheres_2_3;
typedef typename SK::FT FT;
CGAL_kernel_precondition(!p.rep().is_degenerate());
CGAL_kernel_precondition(!s.rep().is_degenerate());
const FT d2 = CGAL::square(p.a()*s.center().x() +
p.b()*s.center().y() +
p.c()*s.center().z() + p.d()) /
@ -259,6 +264,8 @@ namespace CGAL {
{
typedef typename SK::Plane_3 Plane_3;
typedef typename SK::Sphere_3 Sphere_3;
CGAL_kernel_precondition(!s1.rep().is_degenerate());
CGAL_kernel_precondition(!s2.rep().is_degenerate());
if(non_oriented_equal<SK>(s1,s2)) {
*res++ = make_object(s1);
return res;
@ -279,6 +286,8 @@ namespace CGAL {
typedef typename SK::Polynomials_for_line_3 Equation_line;
typedef typename SK::Root_for_spheres_2_3 Root_for_spheres_2_3;
typedef typename SK::Circular_arc_point_3 Circular_arc_point_3;
CGAL_kernel_precondition(!s.rep().is_degenerate());
CGAL_kernel_precondition(!l.rep().is_degenerate());
Equation_sphere e1 = get_equation<SK>(s);
Equation_line e2 = get_equation<SK>(l);
typedef std::vector< std::pair < Root_for_spheres_2_3, unsigned > >
@ -306,6 +315,9 @@ namespace CGAL {
typedef typename SK::Circle_3 Circle_3;
typedef typename SK::AK AK;
typedef std::vector< Object > solutions_container;
CGAL_kernel_precondition(!s1.rep().is_degenerate());
CGAL_kernel_precondition(!s2.rep().is_degenerate());
CGAL_kernel_precondition(!s3.rep().is_degenerate());
if(non_oriented_equal<SK>(s1,s2) && non_oriented_equal<SK>(s2,s3)) {
*res++ = make_object(s1);
return res;
@ -365,6 +377,9 @@ namespace CGAL {
typedef typename SK::Polynomial_1_3 Equation_plane;
typedef typename SK::Plane_3 Plane_3;
typedef typename SK::AK AK;
CGAL_kernel_precondition(!p.rep().is_degenerate());
CGAL_kernel_precondition(!s1.rep().is_degenerate());
CGAL_kernel_precondition(!s2.rep().is_degenerate());
if(non_oriented_equal<SK>(s1,s2)) {
return intersect_3<SK>(p,s1,res);
}
@ -399,6 +414,9 @@ namespace CGAL {
typedef typename SK::Polynomial_for_spheres_2_3 Equation_sphere;
typedef typename SK::Polynomial_1_3 Equation_plane;
typedef typename SK::AK AK;
CGAL_kernel_precondition(!p1.rep().is_degenerate());
CGAL_kernel_precondition(!p2.rep().is_degenerate());
CGAL_kernel_precondition(!s.rep().is_degenerate());
if(non_oriented_equal<SK>(p1,p2)) {
return intersect_3<SK>(p1,s,res);
}
@ -476,6 +494,7 @@ namespace CGAL {
typedef typename SK::Polynomials_for_line_3 Equation_line;
typedef typename SK::Circle_3 Circle_3;
typedef typename SK::AK AK;
CGAL_kernel_precondition(!l.rep().is_degenerate());
Equation_circle e1 = get_equation<SK>(c);
Equation_line e2 = get_equation<SK>(l);
typedef std::vector< std::pair < Root_for_spheres_2_3, unsigned > >