79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
|
// Copyright (c) 2008 Max-Planck-Institute Saarbruecken (Germany)
|
||
|
|
//
|
||
|
|
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
|
||
|
|
// modify it under the terms of the GNU Lesser General Public License as
|
||
|
|
// published by the Free Software Foundation; either version 3 of the License,
|
||
|
|
// or (at your option) any later version.
|
||
|
|
//
|
||
|
|
// Licensees holding a valid commercial license may use this file in
|
||
|
|
// accordance with the commercial license agreement provided with the software.
|
||
|
|
//
|
||
|
|
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
|
||
|
|
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||
|
|
//
|
||
|
|
// $URL$
|
||
|
|
// $Id$
|
||
|
|
// SPDX-License-Identifier: LGPL-3.0+
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Author(s) : Arno Eigenwillig <arno@mpi-inf.mpg.de>
|
||
|
|
// Michael Hemmer <hemmer@informatik.uni-mainz.de>
|
||
|
|
//
|
||
|
|
// ============================================================================
|
||
|
|
|
||
|
|
// TODO: The comments are all original EXACUS comments and aren't adapted. So
|
||
|
|
// they may be wrong now.
|
||
|
|
|
||
|
|
// NOT INTRODUCED YET
|
||
|
|
|
||
|
|
#ifndef CGAL_POLYNOMIAL_MODULAR_TRAITS_TRAITS_H
|
||
|
|
#define CGAL_POLYNOMIAL_MODULAR_TRAITS_TRAITS_H
|
||
|
|
|
||
|
|
#include <CGAL/basic.h>
|
||
|
|
#include <CGAL/Modular_traits.h>
|
||
|
|
|
||
|
|
namespace CGAL {
|
||
|
|
|
||
|
|
/*! \ingroup CGAL_Polynomial
|
||
|
|
* \ingroup CGAL_Modular_traits_spec
|
||
|
|
* \brief Specialization of Modular_traits for CGAL::Polynomial.
|
||
|
|
*
|
||
|
|
* CGAL::Modular_traits::Modular_image maps the coefficients of a polynomial
|
||
|
|
* to their Modular_image and returns the resulting polynomial.
|
||
|
|
*/
|
||
|
|
template< class COEFF >
|
||
|
|
class Modular_traits< Polynomial<COEFF> > {
|
||
|
|
|
||
|
|
private:
|
||
|
|
typedef Modular_traits<COEFF> Mtr;
|
||
|
|
public:
|
||
|
|
typedef Polynomial<COEFF> NT;
|
||
|
|
typedef Modular_traits<NT> Self;
|
||
|
|
typedef typename Mtr::Is_modularizable Is_modularizable;
|
||
|
|
typedef Polynomial<typename Mtr::Residue_type> Residue_type;
|
||
|
|
|
||
|
|
struct Modular_image{
|
||
|
|
Residue_type operator()(const NT& p){
|
||
|
|
std::vector<typename Mtr::Residue_type> V;
|
||
|
|
typename Mtr::Modular_image modular_image;
|
||
|
|
for(int i=0; i<=p.degree();i++)
|
||
|
|
V.push_back(modular_image(p[i]));
|
||
|
|
return Residue_type(V.begin(),V.end());
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
struct Modular_image_representative{
|
||
|
|
NT operator()(const Residue_type& p) const {
|
||
|
|
std::vector<COEFF> V;
|
||
|
|
typename Mtr::Modular_image_representative modular_image_representative;
|
||
|
|
for(int i=0; i<=p.degree();i++)
|
||
|
|
V.push_back(modular_image_representative(p[i]));
|
||
|
|
return NT(V.begin(),V.end());
|
||
|
|
}
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
} //namespace CGAL
|
||
|
|
#endif // CGAL_POLYNOMIAL_MODULAR_TRAITS_TRAITS_H
|