/usr/include/linbox/field/map.h is in liblinbox-dev 1.4.2-3.
This file is owned by root:root, with mode 0o644.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | /* Copyright (C) 2008 LinBox
* Written by JGD
*
*
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox is free software: 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 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*/
#ifndef __LINBOX_map_H
#define __LINBOX_map_H
#include "linbox/field/hom.h"
namespace LinBox
{
template< class Source, class Target >
struct Map {
typedef Hom<Source,Target> Homomorphism;
Map(const Homomorphism& H) :
_hom(H)
{}
Map(const Source& S, const Target& T) :
_hom(S,T)
{}
template< typename ContainerTargetElement,
typename ContainerSourceElement >
ContainerTargetElement& operator() (
ContainerTargetElement& tgt,
const ContainerSourceElement& src)
{
tgt.resize(src.size());
typename ContainerTargetElement::iterator tgt_it(tgt.begin());
typename ContainerSourceElement::const_iterator src_it(src.begin());
for( ; src_it != src.end(); ++src_it, ++tgt_it)
this->_hom.image (*tgt_it, *src_it);
return tgt;
}
private:
Homomorphism _hom;
};
template< class Source, class Target >
struct PreMap {
typedef Hom<Source,Target> Homomorphism;
PreMap(const Homomorphism& H) :
_hom(H)
{}
PreMap(const Source& S, const Target& T) :
_hom(S,T)
{}
template< typename ContainerSourceElement,
typename ContainerTargetElement >
ContainerSourceElement& operator() (
ContainerSourceElement& src,
ContainerTargetElement tgt)
{
src.resize(tgt.size());
typename ContainerSourceElement::iterator src_it(src.begin());
typename ContainerTargetElement::const_iterator tgt_it(tgt.begin());
for( ; tgt_it != tgt.end(); ++src_it, ++tgt_it) {
this->_hom.preimage (*src_it, *tgt_it);
}
return src;
}
private:
Homomorphism _hom;
};
}
#endif // __LINBOX_map_H
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