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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) 2008-2017 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 PSFOUNDATION_PSFPU_H
+#define PSFOUNDATION_PSFPU_H
+
+#include "NvCloth/ps/Ps.h"
+#include "NvCloth/ps/PsIntrinsics.h"
+
+#define PX_IR(x) ((uint32_t&)(x))
+#define PX_SIR(x) ((int32_t&)(x))
+#define PX_FR(x) ((float&)(x))
+
+// signed integer representation of a floating-point value.
+
+// Floating-point representation of a integer value.
+
+#define PX_SIGN_BITMASK 0x80000000
+
+#define PX_FPU_GUARD shdfnd::FPUGuard scopedFpGuard;
+#define PX_SIMD_GUARD shdfnd::SIMDGuard scopedFpGuard;
+
+#define PX_SUPPORT_GUARDS (PX_WINDOWS_FAMILY || PX_XBOXONE || (PX_LINUX && (PX_X86 || PX_X64)) || PX_PS4 || PX_OSX)
+
+namespace physx
+{
+namespace shdfnd
+{
+// sets the default SDK state for scalar and SIMD units
+class NV_CLOTH_IMPORT FPUGuard
+{
+  public:
+	FPUGuard();  // set fpu control word for PhysX
+	~FPUGuard(); // restore fpu control word
+  private:
+	uint32_t mControlWords[8];
+};
+
+// sets default SDK state for simd unit only, lighter weight than FPUGuard
+class SIMDGuard
+{
+  public:
+	PX_INLINE SIMDGuard();  // set simd control word for PhysX
+	PX_INLINE ~SIMDGuard(); // restore simd control word
+  private:
+#if PX_SUPPORT_GUARDS
+	uint32_t mControlWord;
+#endif
+};
+
+/**
+\brief Enables floating point exceptions for the scalar and SIMD unit
+*/
+NV_CLOTH_IMPORT void enableFPExceptions();
+
+/**
+\brief Disables floating point exceptions for the scalar and SIMD unit
+*/
+NV_CLOTH_IMPORT void disableFPExceptions();
+
+} // namespace shdfnd
+} // namespace physx
+
+#if PX_WINDOWS_FAMILY || PX_XBOXONE
+#include "windows/PsWindowsFPU.h"
+#elif (PX_LINUX && PX_SSE2) || PX_PS4 || PX_OSX
+#include "unix/PsUnixFPU.h"
+#else
+PX_INLINE physx::shdfnd::SIMDGuard::SIMDGuard()
+{
+}
+PX_INLINE physx::shdfnd::SIMDGuard::~SIMDGuard()
+{
+}
+#endif
+
+#endif // #ifndef PSFOUNDATION_PSFPU_H