1 files changed, 138 insertions, 0 deletions
diff --git a/PxShared/include/foundation/nx/PxNXIntrinsics.h b/PxShared/include/foundation/nx/PxNXIntrinsics.h
new file mode 100644
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--- /dev/null
+++ b/PxShared/include/foundation/nx/PxNXIntrinsics.h
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
+
+
+#ifndef PX_FOUNDATION_PX_NX_INTRINSICS_H
+#define PX_FOUNDATION_PX_NX_INTRINSICS_H
+
+#include "foundation/Px.h"
+#include "foundation/PxAssert.h"
+
+#if !PX_NX
+	#error "This file should only be included by NX builds!!"
+#endif
+
+#include <math.h>
+#include <float.h>
+
+#include "nn/cstd/cstd_CMath.h"
+
+#if !PX_DOXYGEN
+namespace physx
+{
+namespace intrinsics
+{
+#endif
+
+	//! \brief platform-specific absolute value
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float abs(float a)						{	return ::fabsf(a);	}
+
+	//! \brief platform-specific select float
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float fsel(float a, float b, float c)	{	return (a >= 0.0f) ? b : c;	}
+
+	//! \brief platform-specific sign
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float sign(float a)					{	return (a >= 0.0f) ? 1.0f : -1.0f; }
+
+	//! \brief platform-specific reciprocal
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float recip(float a)					{	return 1.0f/a;			}
+
+	//! \brief platform-specific reciprocal estimate
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float recipFast(float a)				{	return 1.0f/a;			}
+
+	//! \brief platform-specific square root
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float sqrt(float a)					{	return ::sqrtf(a);	}
+
+	//! \brief platform-specific reciprocal square root
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float recipSqrt(float a)				{   return 1.0f/::sqrtf(a); }
+
+	//! \brief platform-specific reciprocal square root estimate
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float recipSqrtFast(float a)			{	return 1.0f/::sqrtf(a); }
+
+	//! \brief platform-specific sine
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float sin(float a)						{   return ::sinf(a); }
+
+	//! \brief platform-specific cosine
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float cos(float a)						{   return ::cosf(a); }
+
+	//! \brief platform-specific minimum
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float selectMin(float a, float b)		{	return a<b ? a : b;	}
+
+	//! \brief platform-specific maximum
+	PX_CUDA_CALLABLE PX_FORCE_INLINE float selectMax(float a, float b)		{	return a>b ? a : b; }
+
+	//! \brief platform-specific finiteness check
+	PX_CUDA_CALLABLE PX_FORCE_INLINE bool isFinite(float a)
+	{
+#ifdef __CUDACC__
+		return isfinite(a) ? true : false;
+#else
+		return !nn::cstd::IsNan(a) && !nn::cstd::IsInf(a);
+#endif
+	}
+
+	//! \brief platform-specific finiteness check
+	PX_CUDA_CALLABLE PX_FORCE_INLINE bool isFinite(double a)
+	{
+#ifdef __CUDACC__
+		return isfinite(a) ? true : false;
+#else
+		return !nn::cstd::IsNan(a) && !nn::cstd::IsInf(a);
+#endif
+	}
+
+	/*!
+	Sets \c count bytes starting at \c dst to zero.
+	*/
+	PX_FORCE_INLINE void* memZero(void* PX_RESTRICT dest, uint32_t count)
+	{
+		return memset(dest, 0, count);
+	}
+
+	/*!
+	Sets \c count bytes starting at \c dst to \c c.
+	*/
+	PX_FORCE_INLINE void* memSet(void* PX_RESTRICT dest, int32_t c, uint32_t count)
+	{
+		return memset(dest, c, count);
+	}
+
+	/*!
+	Copies \c count bytes from \c src to \c dst. User memMove if regions overlap.
+	*/
+	PX_FORCE_INLINE void* memCopy(void* PX_RESTRICT dest, const void* PX_RESTRICT src, uint32_t count)
+	{
+		return memcpy(dest, src, count);
+	}
+
+	/*!
+	Copies \c count bytes from \c src to \c dst. Supports overlapping regions.
+	*/
+	PX_FORCE_INLINE void* memMove(void* PX_RESTRICT dest, const void* PX_RESTRICT src, uint32_t count)
+	{
+		return memmove(dest, src, count);
+	}
+
+	/*!
+	Set 128B to zero starting at \c dst+offset. Must be aligned.
+	*/
+	PX_FORCE_INLINE void memZero128(void* PX_RESTRICT dest, uint32_t offset = 0)
+	{
+		PX_ASSERT(((size_t(dest)+offset) & 0x7f) == 0);
+		memSet((char* PX_RESTRICT)dest+offset, 0, 128);
+	}
+
+#if !PX_DOXYGEN
+} // namespace intrinsics
+} // namespace physx
+#endif
+
+#endif