/usr/include/linbox/randiter/param-fuzzy.h is in liblinbox-dev 1.1.6~rc0-4.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* 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
* This library 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 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __RANDITER_PARAM_FUZZY_H
#define __RANDITER_PARAM_FUZZY_H
#include <iostream>
#include <vector>
#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)
: /*_F (F),*/ _size (size), _seed (seed)
{
/*if (_size == 0) F.cardinality (_size);*/
if (_seed == 0) _seed = std::time (NULL);
}
ParamFuzzyRandIter (const ParamFuzzy &F,
const integer &size = 0,
const integer &seed = 0)
: _F (F), _size (size), _seed (seed)
{
if (_size == 0) F.cardinality (_size);
if (_seed == 0) _seed = std::time (NULL);
}
ParamFuzzyRandIter (const ParamFuzzyRandIter &R)
: /*_F (R._F),*/ _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 _F;
/// Sampling size
integer _size;
/// Seed
integer _seed;
}; // class ParamFuzzyRandIter : public ParamFuzzyRandIter
} // namespace LinBox
#endif // __PARAM_FUZZY_H
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