/usr/include/linbox/randiter/param-fuzzy.h is in liblinbox-dev 1.3.2-1.1+b1.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | /* linbox/randiter/param-fuzzy.h
* Copyright (C) 1999-2001 William J Turner,
* 2002 Bradford Hovinen
*
* Written by William J Turner <wjturner@math.ncsu.edu>,
* Bradford Hovinen <hovinen@cis.udel.edu>
*
* updated by bds 8/02
* ========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_randiter_param_fuzzy_H
#define __LINBOX_randiter_param_fuzzy_H
#include <iostream>
#include <vector>
#include <cstdlib>
#include <time.h>
#include "linbox/integer.h"
#include "linbox/element/abstract.h"
#include "linbox/element/envelope.h"
#include "linbox/field/param-fuzzy.h"
namespace LinBox
{
class ParamFuzzyRandIter {
public:
/// element type
typedef double Element;
ParamFuzzyRandIter (/*const ParamFuzzy &F, */
const integer &size = 0,
const integer &seed = 0) :
/*_field (F),*/ _size (size), _seed (seed)
{
/*if (_size == 0) F.cardinality (_size);*/
if (_seed == 0) _seed = time (NULL);
}
ParamFuzzyRandIter (const ParamFuzzy &F,
const integer &size = 0,
const integer &seed = 0) :
_field (F), _size (size), _seed (seed)
{
if (_size == 0) F.cardinality (_size);
if (_seed == 0) _seed = time (NULL);
}
ParamFuzzyRandIter (const ParamFuzzyRandIter &R) :
/*_field (R._field),*/ _size (R._size), _seed (R._seed)
{}
~ParamFuzzyRandIter () {}
ParamFuzzyRandIter &operator=(const ParamFuzzyRandIter &R)
{
if (this != &R) { // guard against self-assignment
_size = R._size;
_seed = R._seed;
}
return *this;
}
Element &random (Element &a) const
{
// Create new random elements
if (_size == 0)
return (a = Element (rand ()));
else
return (a = Element (double (rand ())/RAND_MAX)*double (_size));
}
ElementAbstract &random (ElementAbstract &a) const
{
Element tmp;
random (tmp);
return (a = ElementEnvelope <ParamFuzzy> (tmp));
}
private:
/// Field in which arithmetic is done
ParamFuzzy _field;
/// Sampling size
integer _size;
/// Seed
integer _seed;
}; // class ParamFuzzyRandIter : public ParamFuzzyRandIter
} // namespace LinBox
#endif // __LINBOX_randiter_param_fuzzy_H
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