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/* Berkeley random number generator */
#ifndef _Irandom
#define _Irandom 1
#include "config.h"
/* x**31 + x**3 + 1. */
#define DEG 31
#define SEP 3
struct state
{
long state[DEG];
long *fptr;
long *rptr;
};
/* State information. You can save and restore this variable */
extern struct state state;
/* long random(void);
* Return 31 bit pseudo-random number
*/
long random();
/* void srandom(int seed);
*
* Initialize random number generator with specified seed
*
* Note that values returned by 'random' are not the entire state, and
* therefore can not be used as seeds to 'srandom' to revert to a previous
* state. Instead, save and restore the entire variable 'state' for this
* purpose.
*/
void srandom();
#endif
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