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/* Copyright (C) 1995, 1997, 1998, 2001 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu <mailto: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 Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.
 
   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */
 
#include <stdlib.h>
 
extern int __drand48_iterate(unsigned short xsubi[3], 
	struct drand48_data *buffer);
 
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.  */
    *result = ((xsubi[2] << 16) | xsubi[1]) & 0xffffffffl;
 
    return 0;
}