Differential D4801 Diff 20955 libraries/source/nvtt/src/src/nvmath/nvmath.h

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libraries/source/nvtt/src/src/nvmath/nvmath.h

	// This code is in the public domain -- castanyo@yahoo.es			// This code is in the public domain -- castanyo@yahoo.es

	#pragma once			#pragma once
	#ifndef NV_MATH_H			#ifndef NV_MATH_H
	#define NV_MATH_H			#define NV_MATH_H

	#include "nvcore/nvcore.h"			#include "nvcore/nvcore.h"
	#include "nvcore/Debug.h" // nvDebugCheck			#include "nvcore/Debug.h" // nvDebugCheck
	#include "nvcore/Utils.h" // max, clamp			#include "nvcore/Utils.h" // max, clamp

	#include <math.h>			#include <math.h>

	#if NV_OS_WIN32 \|\| NV_OS_XBOX			#if NV_OS_WIN32 \|\| NV_OS_XBOX
	#include <float.h> // finite, isnan			#include <float.h> // finite, isnan
	#endif			#endif

	#if NV_CPU_X86 \|\| NV_CPU_X86_64			#if NV_CPU_X86 \|\| NV_CPU_X86_64 \|\| NV_CPU_E2K
	//#include <intrin.h>			//#include <intrin.h>
	#include <xmmintrin.h>			#include <xmmintrin.h>
	#endif			#endif



	// Function linkage			// Function linkage
	#if NVMATH_SHARED			#if NVMATH_SHARED
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	#ifndef NV_USE_SSE			#ifndef NV_USE_SSE
	# if NV_CPU_X86_64			# if NV_CPU_X86_64
	// x64 always supports at least SSE2			// x64 always supports at least SSE2
	# define NV_USE_SSE 2			# define NV_USE_SSE 2
	# elif NV_CC_MSVC && defined(_M_IX86_FP)			# elif NV_CC_MSVC && defined(_M_IX86_FP)
	// Also on x86 with the /arch:SSE flag in MSVC.			// Also on x86 with the /arch:SSE flag in MSVC.
	# define NV_USE_SSE _M_IX86_FP // 1=SSE, 2=SS2			# define NV_USE_SSE _M_IX86_FP // 1=SSE, 2=SS2
				# elif NV_CPU_E2K
				// mcst-lcc compiler flags determine e2k CPU features
				# if defined(__SSE2__)
				# define NV_USE_SSE 2
				# elif defined(__SSE__)
				# define NV_USE_SSE 1
				# else
				# define NV_USE_SSE 0
				# endif
	# elif defined(__SSE__)			# elif defined(__SSE__)
	# define NV_USE_SSE 1			# define NV_USE_SSE 1
	# elif defined(__SSE2__)			# elif defined(__SSE2__)
	# define NV_USE_SSE 2			# define NV_USE_SSE 2
	# else			# else
	// Otherwise we assume no SSE.			// Otherwise we assume no SSE.
	# define NV_USE_SSE 0			# define NV_USE_SSE 0
	# endif			# endif
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