blob: 5e89404b318a14facbe3381817a998da3e8f1b4f (
plain)
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
|
/*
* Copyright (C) 2007-2013 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#ifndef BU_RANDOM_CMWC_H
#define BU_RANDOM_CMWC_H
#include "bu/randombase.h"
namespace Bu
{
/**
* Complimentary Multiply With Carry random number generator. This is a
* simpler and faster generator than Mersenne Twister, but uses about as
* much memory. Many people think that it may be at least as good as
* Mersenne Twister, or better.
*/
class RandomCmwc : public RandomBase
{
public:
RandomCmwc( int32_t iSeed=0 );
virtual ~RandomCmwc();
virtual void seed( int32_t iSeed );
virtual int32_t rand();
using RandomBase::rand;
private:
uint32_t *q, c, i;
};
};
#endif
|
