110 lines
3.6 KiB
C++
110 lines
3.6 KiB
C++
// Copyright (c) 2014
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// INRIA Saclay-Ile de France (France)
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//
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// This file is part of CGAL (www.cgal.org)
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/NewKernel_d/include/CGAL/determinant_of_vectors.h $
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// $Id: determinant_of_vectors.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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// Author(s) : Marc Glisse
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#ifndef CGAL_DETVEC_H
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#define CGAL_DETVEC_H
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#include <CGAL/determinant.h>
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#include <CGAL/predicates/sign_of_determinant.h>
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namespace CGAL {
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// TODO: determine whether it is better to pass them by lines or columns.
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template <class NT, class Vector> inline
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NT determinant_of_vectors(Vector const&a, Vector const&b){
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return determinant<NT>(a[0],a[1],b[0],b[1]);
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}
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template <class NT, class Vector> inline
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typename Sgn<NT>::result_type
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sign_of_determinant_of_vectors(Vector const&a, Vector const&b){
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return sign_of_determinant<NT>(a[0],a[1],b[0],b[1]);
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}
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template <class NT, class Vector>
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NT determinant_of_vectors(Vector const&a, Vector const&b,
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Vector const&c){
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return determinant<NT>(a[0],a[1],a[2],b[0],b[1],b[2],c[0],c[1],c[2]);
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}
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template <class NT, class Vector>
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typename Sgn<NT>::result_type
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sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
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Vector const&c){
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return sign_of_determinant<NT>(a[0],a[1],a[2],b[0],b[1],b[2],c[0],c[1],c[2]);
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}
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template <class NT, class Vector>
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NT determinant_of_vectors(Vector const&a, Vector const&b,
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Vector const&c, Vector const&d){
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return determinant<NT>(
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a[0],a[1],a[2],a[3],
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b[0],b[1],b[2],b[3],
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c[0],c[1],c[2],c[3],
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d[0],d[1],d[2],d[3]);
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}
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template <class NT, class Vector>
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typename Sgn<NT>::result_type
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sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
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Vector const&c, Vector const&d){
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return sign_of_determinant<NT>(
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a[0],a[1],a[2],a[3],
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b[0],b[1],b[2],b[3],
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c[0],c[1],c[2],c[3],
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d[0],d[1],d[2],d[3]);
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}
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template <class NT, class Vector>
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NT determinant_of_vectors(Vector const&a, Vector const&b,
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Vector const&c, Vector const&d, Vector const&e){
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return determinant<NT>(
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a[0],a[1],a[2],a[3],a[4],
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b[0],b[1],b[2],b[3],b[4],
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c[0],c[1],c[2],c[3],c[4],
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d[0],d[1],d[2],d[3],d[4],
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e[0],e[1],e[2],e[3],e[4]);
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}
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template <class NT, class Vector>
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typename Sgn<NT>::result_type
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sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
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Vector const&c, Vector const&d, Vector const&e){
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return sign_of_determinant<NT>(
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a[0],a[1],a[2],a[3],a[4],
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b[0],b[1],b[2],b[3],b[4],
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c[0],c[1],c[2],c[3],c[4],
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d[0],d[1],d[2],d[3],d[4],
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e[0],e[1],e[2],e[3],e[4]);
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}
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template <class NT, class Vector>
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NT determinant_of_vectors(Vector const&a, Vector const&b,
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Vector const&c, Vector const&d, Vector const&e, Vector const&f){
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return determinant<NT>(
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a[0],a[1],a[2],a[3],a[4],a[5],
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b[0],b[1],b[2],b[3],b[4],b[5],
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c[0],c[1],c[2],c[3],c[4],c[5],
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d[0],d[1],d[2],d[3],d[4],d[5],
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e[0],e[1],e[2],e[3],e[4],e[5],
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f[0],f[1],f[2],f[3],f[4],f[5]);
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}
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template <class NT, class Vector>
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typename Sgn<NT>::result_type
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sign_of_determinant_of_vectors(Vector const&a, Vector const&b,
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Vector const&c, Vector const&d, Vector const&e, Vector const&f){
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return sign_of_determinant<NT>(
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a[0],a[1],a[2],a[3],a[4],a[5],
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b[0],b[1],b[2],b[3],b[4],b[5],
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c[0],c[1],c[2],c[3],c[4],c[5],
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d[0],d[1],d[2],d[3],d[4],d[5],
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e[0],e[1],e[2],e[3],e[4],e[5],
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f[0],f[1],f[2],f[3],f[4],f[5]);
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}
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}
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#endif
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