From f56bb35301836e56582a575a75864392a0177875 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B8rgen=20P=2E=20Tjern=C3=B8?= Date: Mon, 2 Dec 2013 19:31:46 -0800 Subject: Fix line endings. WHAMMY. --- mp/src/mathlib/randsse.cpp | 218 ++++++++++++++++++++++----------------------- 1 file changed, 109 insertions(+), 109 deletions(-) (limited to 'mp/src/mathlib/randsse.cpp') diff --git a/mp/src/mathlib/randsse.cpp b/mp/src/mathlib/randsse.cpp index d6bd666e..b718d399 100644 --- a/mp/src/mathlib/randsse.cpp +++ b/mp/src/mathlib/randsse.cpp @@ -1,109 +1,109 @@ -//========= Copyright Valve Corporation, All rights reserved. ============// -// -// Purpose: generates 4 randum numbers in the range 0..1 quickly, using SIMD -// -//=====================================================================================// - -#include -#include // Needed for FLT_EPSILON -#include "basetypes.h" -#include -#include "tier0/dbg.h" -#include "mathlib/mathlib.h" -#include "mathlib/vector.h" -#include "mathlib/ssemath.h" - -// memdbgon must be the last include file in a .cpp file!!! -#include "tier0/memdbgon.h" - -// see knuth volume 3 for insight. - -class SIMDRandStreamContext -{ - fltx4 m_RandY[55]; - - fltx4 *m_pRand_J, *m_pRand_K; - - -public: - void Seed( uint32 seed ) - { - m_pRand_J=m_RandY+23; m_pRand_K=m_RandY+54; - for(int i=0;i<55;i++) - { - for(int j=0;j<4;j++) - { - SubFloat( m_RandY[i], j) = (seed>>16)/65536.0; - seed=(seed+1)*3141592621u; - } - } - } - - inline fltx4 RandSIMD( void ) - { - // ret= rand[k]+rand[j] - fltx4 retval=AddSIMD( *m_pRand_K, *m_pRand_J ); - - // if ( ret>=1.0) ret-=1.0 - fltx4 overflow_mask=CmpGeSIMD( retval, Four_Ones ); - retval=SubSIMD( retval, AndSIMD( Four_Ones, overflow_mask ) ); - - *m_pRand_K = retval; - - // update pointers w/ wrap-around - if ( --m_pRand_J < m_RandY ) - m_pRand_J=m_RandY+54; - if ( --m_pRand_K < m_RandY ) - m_pRand_K=m_RandY+54; - - return retval; - } -}; - -#define MAX_SIMULTANEOUS_RANDOM_STREAMS 32 - -static SIMDRandStreamContext s_SIMDRandContexts[MAX_SIMULTANEOUS_RANDOM_STREAMS]; - -static volatile int s_nRandContextsInUse[MAX_SIMULTANEOUS_RANDOM_STREAMS]; - -void SeedRandSIMD(uint32 seed) -{ - for( int i = 0; i +#include // Needed for FLT_EPSILON +#include "basetypes.h" +#include +#include "tier0/dbg.h" +#include "mathlib/mathlib.h" +#include "mathlib/vector.h" +#include "mathlib/ssemath.h" + +// memdbgon must be the last include file in a .cpp file!!! +#include "tier0/memdbgon.h" + +// see knuth volume 3 for insight. + +class SIMDRandStreamContext +{ + fltx4 m_RandY[55]; + + fltx4 *m_pRand_J, *m_pRand_K; + + +public: + void Seed( uint32 seed ) + { + m_pRand_J=m_RandY+23; m_pRand_K=m_RandY+54; + for(int i=0;i<55;i++) + { + for(int j=0;j<4;j++) + { + SubFloat( m_RandY[i], j) = (seed>>16)/65536.0; + seed=(seed+1)*3141592621u; + } + } + } + + inline fltx4 RandSIMD( void ) + { + // ret= rand[k]+rand[j] + fltx4 retval=AddSIMD( *m_pRand_K, *m_pRand_J ); + + // if ( ret>=1.0) ret-=1.0 + fltx4 overflow_mask=CmpGeSIMD( retval, Four_Ones ); + retval=SubSIMD( retval, AndSIMD( Four_Ones, overflow_mask ) ); + + *m_pRand_K = retval; + + // update pointers w/ wrap-around + if ( --m_pRand_J < m_RandY ) + m_pRand_J=m_RandY+54; + if ( --m_pRand_K < m_RandY ) + m_pRand_K=m_RandY+54; + + return retval; + } +}; + +#define MAX_SIMULTANEOUS_RANDOM_STREAMS 32 + +static SIMDRandStreamContext s_SIMDRandContexts[MAX_SIMULTANEOUS_RANDOM_STREAMS]; + +static volatile int s_nRandContextsInUse[MAX_SIMULTANEOUS_RANDOM_STREAMS]; + +void SeedRandSIMD(uint32 seed) +{ + for( int i = 0; i