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/*
* 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
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