/usr/include/random/discrete-uniform.h is in libblitz0-dev 1:0.10-3.3.
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 | // -*- C++ -*-
/***************************************************************************
* random/discrete-uniform.h Discrete uniform IRNG wrapper class
*
* $Id$
*
* Copyright (C) 1997-2011 Todd Veldhuizen <tveldhui@acm.org>
*
* This file is a part of Blitz.
*
* Blitz 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 3
* of the License, or (at your option) any later version.
*
* Blitz 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 Blitz. If not, see <http://www.gnu.org/licenses/>.
*
* Suggestions: blitz-devel@lists.sourceforge.net
* Bugs: blitz-support@lists.sourceforge.net
*
* For more information, please see the Blitz++ Home Page:
* https://sourceforge.net/projects/blitz/
*
***************************************************************************/
#ifndef BZ_RANDOM_DISCRETE_UNIFORM_H
#define BZ_RANDOM_DISCRETE_UNIFORM_H
#include <random/default.h>
BZ_NAMESPACE(ranlib)
template<typename T = unsigned int, typename IRNG = defaultIRNG,
typename stateTag = defaultState>
class DiscreteUniform : public IRNGWrapper<IRNG,stateTag>
{
public:
typedef T T_numtype;
DiscreteUniform(T n)
{
BZPRECONDITION(n < 4294967295U);
n_ = n;
}
DiscreteUniform(T n, unsigned int i) :
IRNGWrapper<IRNG,stateTag>::IRNGWrapper(i)
{
BZPRECONDITION(n < 4294967295U);
n_ = n;
}
T random()
{
return this->irng_.random() % n_;
}
private:
T n_;
};
BZ_NAMESPACE_END
#endif // BZ_RANDOM_DISCRETE_UNIFORM_H
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