newlib-2.4.0

git-svn-id: svn://kolibrios.org@6536 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/newlib/libc/stdlib/erand48.c

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 1993 Martin Birgmeier
+ * All rights reserved.
+ *
+ * You may redistribute unmodified or modified versions of this source
+ * code provided that the above copyright notice and this and the
+ * following conditions are retained.
+ *
+ * This software is provided ``as is'', and comes with no warranties
+ * of any kind. I shall in no event be liable for anything that happens
+ * to anyone/anything when using this software.
+ */
+
+#include "rand48.h"
+
+double
+_DEFUN (_erand48_r, (r, xseed),
+       struct _reent *r _AND
+       unsigned short xseed[3])
+{
+  __dorand48(r, xseed);
+  return ldexp((double) xseed[0], -48) +
+    ldexp((double) xseed[1], -32) +
+    ldexp((double) xseed[2], -16);
+}
+
+#ifndef _REENT_ONLY
+double
+_DEFUN (erand48, (xseed),
+       unsigned short xseed[3])
+{
+  return _erand48_r (_REENT, xseed);
+}
+#endif /* !_REENT_ONLY */