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/**
* @file llrand.cpp
* @brief a few useful math functions.
*
* Copyright (c) 2000-2007, Linden Research, Inc.
*
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
*/
#include "linden_common.h"
#include "llrand.h"
#include "lluuid.h"
/* Put this back if you re-enabled slamFPCW
#if LL_WINDOWS
#include <float.h>
#else
#include <stdlib.h>
#endif
*/
void slamFPCW( void )
{
/*
#if LL_WINDOWS
// for Intel based CPUs, slam the FP control word directly
WORD wTemp, wSave;
__asm fstcw wSave
if ( (wSave & 0x300) // Not single mode
||(0x3f != (wSave & 0x3f)) // Exceptions enabled
||(wSave & 0xC00)) // Not round to nearest mode
{
__asm
{
mov ax, wSave
and ax, not 300h ;; single mode
or ax, 3fh ;; disable all exceptions
and ax, not 0xC00 ;; round to nearest mode
mov wTemp, ax
fldcw wTemp
}
}
#endif
*/
}
LLRand gLindenLabRandomNumber(LLUUID::getRandomSeed());
F32 frand(F32 val)
{
// return (val * (F32)rand()/(F32)RAND_MAX);
return gLindenLabRandomNumber.llfrand(val);
}
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