diff options
Diffstat (limited to 'lib/libc/stdlib/erand48.c')
-rw-r--r-- | lib/libc/stdlib/erand48.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/libc/stdlib/erand48.c b/lib/libc/stdlib/erand48.c new file mode 100644 index 00000000000..cc9fbf770ce --- /dev/null +++ b/lib/libc/stdlib/erand48.c @@ -0,0 +1,23 @@ +/* + * 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 +erand48(unsigned short xseed[3]) +{ + __dorand48(xseed); + return ldexp((double) xseed[0], -48) + + ldexp((double) xseed[1], -32) + + ldexp((double) xseed[2], -16); +} |