NetBSD/lib/libc/stdlib/seed48.c

37 lines
981 B
C

/*
* Copyright (c) 1993 Martin Birgmeier
* All rights reserved.
*
* You may redistribute unmodified or modified versions of this source
* code provided that the above copyright notice and this and the
* following conditions are retained.
*
* This software is provided ``as is'', and comes with no warranties
* of any kind. I shall in no event be liable for anything that happens
* to anyone/anything when using this software.
*/
#include "rand48.h"
extern unsigned short _rand48_seed[3];
extern unsigned short _rand48_mult[3];
extern unsigned short _rand48_add;
unsigned short *
seed48(unsigned short xseed[3])
{
static unsigned short sseed[3];
sseed[0] = _rand48_seed[0];
sseed[1] = _rand48_seed[1];
sseed[2] = _rand48_seed[2];
_rand48_seed[0] = xseed[0];
_rand48_seed[1] = xseed[1];
_rand48_seed[2] = xseed[2];
_rand48_mult[0] = RAND48_MULT_0;
_rand48_mult[1] = RAND48_MULT_1;
_rand48_mult[2] = RAND48_MULT_2;
_rand48_add = RAND48_ADD;
return sseed;
}