move determinants to their own file

This commit is contained in:
Marc Glisse 2012-04-19 18:11:34 +00:00
parent 26e611e450
commit 784156ba77
3 changed files with 150 additions and 18 deletions

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@ -2,8 +2,7 @@
#define CGAL_VECTOR_DETVEC_SMALL_H
#include <CGAL/functor_tags.h>
#include <CGAL/Dimension.h>
#include <CGAL/determinant.h>
#include <CGAL/predicates/sign_of_determinant.h>
#include <CGAL/determinant_of_vectors.h>
namespace CGAL {
@ -29,13 +28,12 @@ struct Add_determinant_of_vectors_small_dim
template<class D> struct Property<Has_determinant_of_vectors_tag, D> :
boost::true_type {};
template <class V1, class V2>
static NT determinant_of_vectors(V1 const&a, V2 const&b){
return determinant(a[0],a[1],b[0],b[1]);
static NT determinant_of_vectors(Vector const&a, Vector const&b){
return CGAL::determinant_of_vectors<NT>(a,b);
}
template <class V1, class V2>
static Sign sign_of_determinant_of_vectors(V1 const&a, V2 const&b){
return sign_of_determinant(a[0],a[1],b[0],b[1]);
return CGAL::sign_of_determinant_of_vectors<NT>(a,b);
}
};
@ -53,11 +51,11 @@ struct Add_determinant_of_vectors_small_dim
static NT determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c){
return determinant(a[0],a[1],a[2],b[0],b[1],b[2],c[0],c[1],c[2]);
return CGAL::determinant_of_vectors<NT>(a,b,c);
}
static Sign sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c){
return sign_of_determinant(a[0],a[1],a[2],b[0],b[1],b[2],c[0],c[1],c[2]);
return CGAL::sign_of_determinant_of_vectors<NT>(a,b,c);
}
};
@ -75,19 +73,55 @@ struct Add_determinant_of_vectors_small_dim
static NT determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d){
return determinant(
a[0],a[1],a[2],a[3],
b[0],b[1],b[2],b[3],
c[0],c[1],c[2],c[3],
d[0],d[1],d[2],d[3]);
return CGAL::determinant_of_vectors<NT>(a,b,c,d);
}
static Sign sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d){
return sign_of_determinant(
a[0],a[1],a[2],a[3],
b[0],b[1],b[2],b[3],
c[0],c[1],c[2],c[3],
d[0],d[1],d[2],d[3]);
return CGAL::sign_of_determinant_of_vectors<NT>(a,b,c,d);
}
};
template <class LA, class Max_dim_>
struct Add_determinant_of_vectors_small_dim
<LA, Dimension_tag<5>, Max_dim_, false> : LA {
template< class D2, class D3=D2 >
struct Rebind_dimension {
typedef typename LA::template Rebind_dimension<D2,D3> LA2;
typedef Add_determinant_of_vectors_small_dim<LA2> Other;
};
template<class P,class=void> struct Property : LA::template Property<P> {};
template<class D> struct Property<Has_determinant_of_vectors_tag, D> :
boost::true_type {};
static NT determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d, Vector const&e){
return CGAL::determinant_of_vectors<NT>(a,b,c,d,e);
}
static Sign sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d, Vector const&e){
return CGAL::sign_of_determinant_of_vectors<NT>(a,b,c,d,e);
}
};
template <class LA, class Max_dim_>
struct Add_determinant_of_vectors_small_dim
<LA, Dimension_tag<6>, Max_dim_, false> : LA {
template< class D2, class D3=D2 >
struct Rebind_dimension {
typedef typename LA::template Rebind_dimension<D2,D3> LA2;
typedef Add_determinant_of_vectors_small_dim<LA2> Other;
};
template<class P,class=void> struct Property : LA::template Property<P> {};
template<class D> struct Property<Has_determinant_of_vectors_tag, D> :
boost::true_type {};
static NT determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d, Vector const&e, Vector const&f){
return CGAL::determinant_of_vectors<NT>(a,b,c,d,e,f);
}
static Sign sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d, Vector const&e, Vector const&f){
return CGAL::sign_of_determinant_of_vectors<NT>(a,b,c,d,e,f);
}
};

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@ -0,0 +1,97 @@
#ifndef CGAL_DETVEC_H
#define CGAL_DETVEC_H
#include <CGAL/determinant.h>
#include <CGAL/predicates/sign_of_determinant.h>
namespace CGAL {
// TODO: determine whether it is better to pass them by lines or columns.
template <class NT, class Vector> inline
NT determinant_of_vectors(Vector const&a, Vector const&b){
return determinant<NT>(a[0],a[1],b[0],b[1]);
}
template <class NT, class Vector> inline
typename Sgn<NT>::result_type
sign_of_determinant_of_vectors(Vector const&a, Vector const&b){
return sign_of_determinant(a[0],a[1],b[0],b[1]);
template <class NT, class Vector>
NT determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c){
return determinant<NT>(a[0],a[1],a[2],b[0],b[1],b[2],c[0],c[1],c[2]);
}
template <class NT, class Vector>
typename Sgn<NT>::result_type
sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c){
return sign_of_determinant(a[0],a[1],a[2],b[0],b[1],b[2],c[0],c[1],c[2]);
}
template <class NT, class Vector>
NT determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d){
return determinant<NT>(
a[0],a[1],a[2],a[3],
b[0],b[1],b[2],b[3],
c[0],c[1],c[2],c[3],
d[0],d[1],d[2],d[3]);
}
template <class NT, class Vector>
typename Sgn<NT>::result_type
sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d){
return sign_of_determinant(
a[0],a[1],a[2],a[3],
b[0],b[1],b[2],b[3],
c[0],c[1],c[2],c[3],
d[0],d[1],d[2],d[3]);
}
template <class NT, class Vector>
NT determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d, Vector const&e){
return determinant<NT>(
a[0],a[1],a[2],a[3],a[4],
b[0],b[1],b[2],b[3],b[4],
c[0],c[1],c[2],c[3],c[4],
d[0],d[1],d[2],d[3],d[4],
e[0],e[1],e[2],e[3],e[4]);
}
template <class NT, class Vector>
typename Sgn<NT>::result_type
sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d, Vector const&e){
return sign_of_determinant(
a[0],a[1],a[2],a[3],a[4],
b[0],b[1],b[2],b[3],b[4],
c[0],c[1],c[2],c[3],c[4],
d[0],d[1],d[2],d[3],d[4],
e[0],e[1],e[2],e[3],e[4]);
}
template <class NT, class Vector>
NT determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d, Vector const&e, Vector const&f){
return determinant<NT>(
a[0],a[1],a[2],a[3],a[4],a[5],
b[0],b[1],b[2],b[3],b[4],b[5],
c[0],c[1],c[2],c[3],c[4],c[5],
d[0],d[1],d[2],d[3],d[4],d[5],
e[0],e[1],e[2],e[3],e[4],e[5],
f[0],f[1],f[2],f[3],f[4],f[5]);
}
template <class NT, class Vector>
typename Sgn<NT>::result_type
sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
Vector const&c, Vector const&d, Vector const&e, Vector const&f){
return sign_of_determinant(
a[0],a[1],a[2],a[3],a[4],a[5],
b[0],b[1],b[2],b[3],b[4],b[5],
c[0],c[1],c[2],c[3],c[4],c[5],
d[0],d[1],d[2],d[3],d[4],d[5],
e[0],e[1],e[2],e[3],e[4],e[5],
f[0],f[1],f[2],f[3],f[4],f[5]);
}
}
#endif

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@ -152,6 +152,7 @@ namespace CGAL {
struct Has_determinant_of_points_tag {};
struct Has_determinant_of_iterator_to_vectors_tag {};
struct Has_determinant_of_iterator_to_points_tag {};
struct Has_determinant_of_vectors_omit_last_tag {};
// Kernel properties
struct Point_stores_squared_distance_to_origin_tag {};