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Viewing changes to android/bionic/libc/stdlib/seed48.c

  • Committer: Package Import Robot
  • Author(s): Dmitrijs Ledkovs
  • Date: 2013-07-05 10:12:24 UTC
  • Revision ID: package-import@ubuntu.com-20130705101224-6qo3e8jbz8p31aa1
Tags: upstream-0.20130705.1
Import upstream version 0.20130705.1

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android/bionic/libc/stdlib/seed48.c
 
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/*      $OpenBSD: seed48.c,v 1.3 2005/08/08 08:05:37 espie Exp $ */
 
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/*
 
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 * Copyright (c) 1993 Martin Birgmeier
 
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 * All rights reserved.
 
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 *
 
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 * You may redistribute unmodified or modified versions of this source
 
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 * code provided that the above copyright notice and this and the
 
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 * following conditions are retained.
 
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 *
 
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 * This software is provided ``as is'', and comes with no warranties
 
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 * of any kind. I shall in no event be liable for anything that happens
 
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 * to anyone/anything when using this software.
 
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 */
 
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#include "rand48.h"
 
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extern unsigned short __rand48_seed[3];
 
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extern unsigned short __rand48_mult[3];
 
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extern unsigned short __rand48_add;
 
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unsigned short *
 
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seed48(unsigned short xseed[3])
 
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{
 
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        static unsigned short sseed[3];
 
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        sseed[0] = __rand48_seed[0];
 
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        sseed[1] = __rand48_seed[1];
 
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        sseed[2] = __rand48_seed[2];
 
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        __rand48_seed[0] = xseed[0];
 
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        __rand48_seed[1] = xseed[1];
 
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        __rand48_seed[2] = xseed[2];
 
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        __rand48_mult[0] = RAND48_MULT_0;
 
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        __rand48_mult[1] = RAND48_MULT_1;
 
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        __rand48_mult[2] = RAND48_MULT_2;
 
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        __rand48_add = RAND48_ADD;
 
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        return sseed;
 
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}