aboutsummaryrefslogtreecommitdiff
path: root/stdlib/drand48.c
diff options
context:
space:
mode:
Diffstat (limited to 'stdlib/drand48.c')
-rw-r--r--stdlib/drand48.c33
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;
+}