glibc/stdlib/jrand48_r.c
Ulrich Drepper 47f13fd4ba Update.
1997-04-21 16:45  Ulrich Drepper  <drepper@cygnus.com>

	* stdlib/drand48.c: Cleanup namespace.
	* stdlib/drand48_r.c: Cleanup namespace.
	* stdlib/erand48.c: Cleanup namespace.
	* stdlib/erand48_r.c: Cleanup namespace.
	* stdlib/jrand48.c: Cleanup namespace.
	* stdlib/jrand48_r.c: Cleanup namespace.
	* stdlib/lrand48.c: Cleanup namespace.
	* stdlib/lrand48_r.c: Cleanup namespace.
	* stdlib/mrand48.c: Cleanup namespace.
	* stdlib/mrand48_r.c: Cleanup namespace.
	* stdlib/nrand48.c: Cleanup namespace.
	* stdlib/nrand48_r.c: Cleanup namespace.
	* stdlib/lcong48.c: Cleanup namespace.
	* stdlib/lcong48_r.c: Cleanup namespace.
	* stdlib/srand48.c: Cleanup namespace.
	* stdlib/srand48_r.c: Cleanup namespace.
	* stdlib/seed48.c: Cleanup namespace.
	* stdlib/seed48_r.c: Cleanup namespace.

	* stdlib/stdlib.h: Provide new prototypes.
1997-04-21 14:50:33 +00:00

44 lines
1.5 KiB
C

/* Copyright (C) 1995, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdlib.h>
int
__jrand48_r (xsubi, buffer, result)
unsigned short int xsubi[3];
struct drand48_data *buffer;
long int *result;
{
/* Compute next state. */
if (__drand48_iterate (xsubi, buffer) < 0)
return -1;
/* Store the result. */
if (sizeof (unsigned short int) == 2)
*result = (xsubi[2] & 0x7fff) | xsubi[1];
else
*result = xsubi[2] & 0x7fffffffl;
if (xsubi[2] & (1 << (sizeof (xsubi[2]) * 8 - 1)))
*result *= -1;
return 0;
}
weak_alias (__jrand48_r, jrand48_r)