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/*****************************************************************************
TRAVIS - Trajectory Analyzer and Visualizer
http://www.travis-analyzer.de/
Copyright (c) 2009-2014 Martin Brehm
2012-2014 Martin Thomas
This file written by Martin Brehm.
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 3 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, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#ifndef RANDOM_H
#define RANDOM_H
#include "xobject.h"
#include "ziggurat.h"
#include <stdlib.h>
class CRandom : public CxObject
{
public:
CRandom();
~CRandom();
float RandomUniform()
{
// return r4_uni(&seed);
return ((float)(rand()%RAND_MAX)/RAND_MAX/RAND_MAX) + ((float)(rand()%RAND_MAX)/RAND_MAX);
}
float RandomNormal()
{
return r4_nor(&seed,kn,fn,wn);
}
float RandomExp()
{
return r4_exp(&seed,ke,fe,we);
}
float fn[128];
int kn[128];
float wn[128];
float fe[256];
int ke[256];
float we[256];
unsigned long int seed;
};
#endif
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