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author | Elliott Hughes <enh@google.com> | 2012-10-01 14:05:08 -0700 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2012-10-01 14:05:09 -0700 |
commit | cd195eba1f9235b9b9d4dda70142d927b1b9802d (patch) | |
tree | 3dc911f915d8d120089ca5afd60bb84b6d51e71e /libc/stdlib/_rand48.c | |
parent | 5b6346f6d5dca4022fe0044dd2807c19ac596788 (diff) | |
parent | 774c7f54ff375d71106283d42779b0cc5f238f87 (diff) | |
download | android_bionic-cd195eba1f9235b9b9d4dda70142d927b1b9802d.tar.gz android_bionic-cd195eba1f9235b9b9d4dda70142d927b1b9802d.tar.bz2 android_bionic-cd195eba1f9235b9b9d4dda70142d927b1b9802d.zip |
Merge "Upgrade to the current NetBSD rand implementation."
Diffstat (limited to 'libc/stdlib/_rand48.c')
-rw-r--r-- | libc/stdlib/_rand48.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/libc/stdlib/_rand48.c b/libc/stdlib/_rand48.c deleted file mode 100644 index 7c950f7ce..000000000 --- a/libc/stdlib/_rand48.c +++ /dev/null @@ -1,47 +0,0 @@ -/* $OpenBSD: _rand48.c,v 1.3 2005/08/08 08:05:36 espie Exp $ */ -/* - * 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" - -unsigned short __rand48_seed[3] = { - RAND48_SEED_0, - RAND48_SEED_1, - RAND48_SEED_2 -}; -unsigned short __rand48_mult[3] = { - RAND48_MULT_0, - RAND48_MULT_1, - RAND48_MULT_2 -}; -unsigned short __rand48_add = RAND48_ADD; - -void -__dorand48(unsigned short xseed[3]) -{ - unsigned long accu; - unsigned short temp[2]; - - accu = (unsigned long) __rand48_mult[0] * (unsigned long) xseed[0] + - (unsigned long) __rand48_add; - temp[0] = (unsigned short) accu; /* lower 16 bits */ - accu >>= sizeof(unsigned short) * 8; - accu += (unsigned long) __rand48_mult[0] * (unsigned long) xseed[1] + - (unsigned long) __rand48_mult[1] * (unsigned long) xseed[0]; - temp[1] = (unsigned short) accu; /* middle 16 bits */ - accu >>= sizeof(unsigned short) * 8; - accu += __rand48_mult[0] * xseed[2] + __rand48_mult[1] * xseed[1] + __rand48_mult[2] * xseed[0]; - xseed[0] = temp[0]; - xseed[1] = temp[1]; - xseed[2] = (unsigned short) accu; -} |