Differential D52429 Diff 161904 lib/libc/gen/seed48.c

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lib/libc/gen/seed48.c

	/*			/*
	* Copyright (c) 1993 Martin Birgmeier			* Copyright (c) 1993 Martin Birgmeier
	* All rights reserved.			* All rights reserved.
	*			*
	* You may redistribute unmodified or modified versions of this source			* You may redistribute unmodified or modified versions of this source
	* code provided that the above copyright notice and this and the			* code provided that the above copyright notice and this and the
	* following conditions are retained.			* following conditions are retained.
	*			*
	* This software is provided ``as is'', and comes with no warranties			* 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			* of any kind. I shall in no event be liable for anything that happens
	* to anyone/anything when using this software.			* to anyone/anything when using this software.
	*/			*/

	#include "rand48.h"			#include "rand48.h"

	extern unsigned short _rand48_seed[3];
	extern unsigned short _rand48_mult[3];
	extern unsigned short _rand48_add;

	unsigned short *			unsigned short *
	seed48(unsigned short xseed[3])			seed48(unsigned short xseed[3])
	{			{
	static unsigned short sseed[3];			static unsigned short sseed[3];

	sseed[0] = _rand48_seed[0];			STORERAND48(_rand48_seed, sseed);
	sseed[1] = _rand48_seed[1];			LOADRAND48(_rand48_seed, xseed);
	sseed[2] = _rand48_seed[2];			_rand48_mult = RAND48_MULT;
	_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;			_rand48_add = RAND48_ADD;
	return sseed;			return (sseed);
	}			}