cokus.h

#ifndef COKUS_H
#define COKUS_H

#include <stdio.h>
#include <stdlib.h>
/*
//
// uint32 must be an unsigned integer type capable of holding at least 32
// bits; exactly 32 should be fastest, but 64 is better on an Alpha with
// GCC at -O3 optimization so try your options and see what's best for you
//
*/

typedef unsigned long uint32;

#define N              (624)                 /*// length of state vector*/
#define M              (397)                 /*// a period parameter*/
#define K              (0x9908B0DFU)         /*// a magic constant*/
#define hiBit(u)       ((u) & 0x80000000U)   /*// mask all but highest   bit of u*/
#define loBit(u)       ((u) & 0x00000001U)   /*// mask all but lowest    bit of u*/
#define loBits(u)      ((u) & 0x7FFFFFFFU)   /*// mask     the highest   bit of u*/
#define mixBits(u, v)  (hiBit(u)|loBits(v))  /*// move hi bit of u to hi bit of v*/

void seedMT(uint32 seed);
uint32 reloadMT(void);
uint32 randomMT(void);

#endif