/usr/include/wfmath-1.0/wfmath/randgen.h is in libwfmath-1.0-dev 1.0.2+dfsg1-3.
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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 | // randgen.h (random number functions)
//
// The WorldForge Project
// Copyright (C) 2002 The WorldForge Project
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// For information about WorldForge and its authors, please contact
// the Worldforge Web Site at http://www.worldforge.org.
// Author: Ron Steinke
// Created: 2002-5-23
#ifndef WFMATH_RANDGEN_H
#define WFMATH_RANDGEN_H
#include <wfmath/MersenneTwister.h>
namespace WFMath {
// backwards compatibility functions
#ifdef WFMATH_USE_OLD_RAND
/// Seed WFMath's random number generators.
/**
* The random number generators use a static instance of MTRand.
**/
inline void SeedRand(unsigned int val) {MTRand::instance.seed(val);}
/// Get a random number between 0 and 1
inline double DRand() {return MTRand::instance.rand();}
/// Get a random integer ranging from 0 to (val passed) - 1
inline unsigned int IRand(unsigned int val) {return MTRand::instance.randInt(val - 1);}
#endif
} // namespace WFMath
#endif // WFMATH_RANDGEN_H
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