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[glibc.git] / stdlib / erand48.c
blobd9784ca9d43806bff337e2c8b7748f974de14646
1 /* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #include <stdlib.h>
22 /* Global state for non-reentrant functions. Defined in drand48-iter.c. */
23 extern struct drand48_data __libc_drand48_data;
25 double
26 erand48 (xsubi)
27 unsigned short int xsubi[3];
29 double result;
31 (void) __erand48_r (xsubi, &__libc_drand48_data, &result);
33 return result;