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Diffstat (limited to 'stdlib/drand48.c')
-rw-r--r-- | stdlib/drand48.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/stdlib/drand48.c b/stdlib/drand48.c new file mode 100644 index 0000000..e2d8450 --- /dev/null +++ b/stdlib/drand48.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1995 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> + +/* Global state for non-reentrent functions. Defined in drand48-iter.c. */ +extern struct drand48_data __libc_drand48_data; + +double +drand48 () +{ + double result; + + (void) erand48_r (__libc_drand48_data.X, &__libc_drand48_data, &result); + + return result; +} |