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authorgit perforce import user <a@b>2016-10-25 12:29:14 -0600
committerSheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees>2016-10-25 18:56:37 -0500
commit3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch)
treefa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PxShared/include/foundation/unix/PxUnixIntrinsics.h
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Initial commit:
PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @ 21275617 [CL 21300167]
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+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and 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.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#ifndef PXFOUNDATION_PXUNIXINTRINSICS_H
+#define PXFOUNDATION_PXUNIXINTRINSICS_H
+
+#include "foundation/Px.h"
+#include "foundation/PxAssert.h"
+
+#if !(PX_LINUX || PX_ANDROID || PX_PS4 || PX_APPLE_FAMILY)
+#error "This file should only be included by Unix builds!!"
+#endif
+
+#if PX_LINUX && PX_ARM
+ // Linux ARM toolchain can somehow end up including cmath header after math.h, which will undef a bunch of macros and place them in std namespace
+ #ifndef isfinite
+ #define isfinite std::isfinite
+ #endif
+#endif
+
+#include <math.h>
+#include <float.h>
+
+namespace physx
+{
+namespace intrinsics
+{
+//! \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);
+}
+
+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 (not INF or NAN)
+PX_CUDA_CALLABLE PX_FORCE_INLINE bool isFinite(float a)
+{
+ return !!isfinite(a);
+}
+
+//! \brief platform-specific finiteness check (not INF or NAN)
+PX_CUDA_CALLABLE PX_FORCE_INLINE bool isFinite(double a)
+{
+ return !!isfinite(a);
+}
+
+/*!
+Sets \c count bytes starting at \c dst to zero.
+*/
+PX_FORCE_INLINE void* memZero(void* 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* 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* dest, const void* 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* dest, const void* 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* dest, uint32_t offset = 0)
+{
+ PX_ASSERT(((size_t(dest) + offset) & 0x7f) == 0);
+ memSet(reinterpret_cast<char*>(dest) + offset, 0, 128);
+}
+
+} // namespace intrinsics
+} // namespace physx
+
+#endif // #ifndef PXFOUNDATION_PXUNIXINTRINSICS_H