/usr/include/CGAL/gmpxx_coercion_traits.h is in libcgal-dev 4.2-5ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | // Copyright (c) 2006-2008 Max-Planck-Institute Saarbruecken (Germany).
// All rights reserved.
//
// 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.
//
// $URL$
// $Id$
//
//
// Author(s) : Michael Hemmer <hemmer@mpi-inf.mpg.de>
/*! \file NiX/Gmp/Coercion_traits.h
* \brief Provides specializations of Coercion_traits for the Gmp types.
*/
#ifndef CGAL_GMPXX_COERCION_TRAITS_H
#define CGAL_GMPXX_COERCION_TRAITS_H 1
#include <CGAL/number_type_basic.h>
#include <CGAL/Coercion_traits.h>
#include <cstring> // needed by GMP 4.1.4 since <gmpxx.h> misses it.
#include <gmpxx.h>
#include <mpfr.h>
namespace CGAL {
//mpz_class internal coercions:
//self for mpz_class / mpq_class
template <class T , class U>
struct Coercion_traits<
::__gmp_expr< T , U>,::__gmp_expr< T , U> >{
typedef Tag_true Are_explicit_interoperable;
typedef Tag_true Are_implicit_interoperable;
typedef ::__gmp_expr<T , T> Type;
struct Cast{
typedef Type result_type;
template <class U3>
Type operator()(const ::__gmp_expr< T , U3>& x) const {
return x;
}
};
};
template <class T, class U1, class U2>
struct Coercion_traits<
::__gmp_expr< T , U1>,::__gmp_expr< T , U2> >{
typedef Tag_true Are_explicit_interoperable;
typedef Tag_true Are_implicit_interoperable;
typedef ::__gmp_expr< T , T > Type;
struct Cast{
typedef Type result_type;
template <class U3>
Type operator()(const ::__gmp_expr< T , U3>& x) const {
return x;
}
};
};
template <class T1 , class T2, class U1, class U2>
struct Coercion_traits< ::__gmp_expr< T1 , U1>,::__gmp_expr< T2 , U2> >{
typedef Tag_true Are_explicit_interoperable;
typedef Tag_true Are_implicit_interoperable;
typedef mpq_class Type;
struct Cast{
typedef Type result_type;
template <class T , class U>
Type operator()(const ::__gmp_expr< T , U>& x) const {
return Type(x);
}
};
};
// gmpzq_class implicit interoperable with int
template <class T, class U>
struct Coercion_traits<
::__gmp_expr< T , U >, int >{
typedef Tag_true Are_explicit_interoperable;
typedef Tag_true Are_implicit_interoperable;
typedef ::__gmp_expr< T , T > Type;
struct Cast{
typedef Type result_type;
template <class U3>
Type operator()(const ::__gmp_expr< T , U3>& x) const {
return x;
}
Type operator()(int x) const { return Type(x); }
};
};
// gmpz_class implicit interoperable with int
template <class U, class T>
struct Coercion_traits< int , ::__gmp_expr< T , U> >
:public Coercion_traits< ::__gmp_expr< T , U>, int >{};
} //namespace CGAL
#endif //CGAL_GMPXX_COERCION_TRAITS_H 1
//EOF
|