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diff --git a/src/simd/Simd4i.h b/src/simd/Simd4i.h
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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) 2008-2014 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#pragma once
+
+#include "SimdTypes.h"
+
+template <typename T>
+struct Simd4iFactory
+{
+	Simd4iFactory(T v_) : v(v_)
+	{
+	}
+	inline operator Simd4i() const;
+	inline operator Scalar4i() const;
+	Simd4iFactory& operator=(const Simd4iFactory&); // not implemented
+	T v;
+};
+
+template <>
+struct Simd4iFactory<detail::FourTuple>
+{
+	Simd4iFactory(int x, int y, int z, int w)
+	{
+		v[0] = x, v[1] = y, v[2] = z, v[3] = w;
+	}
+	Simd4iFactory(const Simd4iFactory<const int&>& f)
+	{
+		v[3] = v[2] = v[1] = v[0] = f.v;
+	}
+	inline operator Simd4i() const;
+	inline operator Scalar4i() const;
+	Simd4iFactory& operator=(const Simd4iFactory&); // not implemented
+	NVMATH_ALIGN(16, int) v[4];
+};
+
+template <int i>
+struct Simd4iFactory<detail::IntType<i> >
+{
+	inline operator Simd4i() const;
+	inline operator Scalar4i() const;
+};
+
+// forward declaration
+template <typename>
+struct Simd4fFactory;
+
+// map Simd4f/Scalar4f to Simd4i/Scalar4i
+template <typename>
+struct Simd4fToSimd4i;
+template <>
+struct Simd4fToSimd4i<Simd4f>
+{
+	typedef Simd4i Type;
+};
+template <>
+struct Simd4fToSimd4i<Scalar4f>
+{
+	typedef Scalar4i Type;
+};
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+// expression template
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+#if NVMATH_DISTINCT_TYPES
+inline Simd4i operator&(const ComplementExpr<Simd4i>&, const Simd4i&);
+inline Simd4i operator&(const Simd4i&, const ComplementExpr<Simd4i>&);
+#endif
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+// operators
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+#if NVMATH_DISTINCT_TYPES
+
+/*! \brief Vector bit-wise NOT operator
+* \return A vector holding the bit-negate of \a v.
+* \relates Simd4i */
+inline ComplementExpr<Simd4i> operator~(const Simd4i& v);
+
+/*! \brief Vector bit-wise AND operator
+* \return A vector holding the bit-wise AND of \a v0 and \a v1.
+* \relates Simd4i */
+inline Simd4i operator&(const Simd4i& v0, const Simd4i& v1);
+
+/*! \brief Vector bit-wise OR operator
+* \return A vector holding the bit-wise OR of \a v0 and \a v1.
+* \relates Simd4i */
+inline Simd4i operator|(const Simd4i& v0, const Simd4i& v1);
+
+/*! \brief Vector bit-wise XOR operator
+* \return A vector holding the bit-wise XOR of \a v0 and \a v1.
+* \relates Simd4i */
+inline Simd4i operator^(const Simd4i& v0, const Simd4i& v1);
+
+/*! \brief Vector logical left shift.
+* \return A vector with 4 elements of \a v0, each shifted left by \a shift bits.
+* \relates Simd4i */
+inline Simd4i operator<<(const Simd4i& v, int shift);
+
+/*! \brief Vector logical right shift.
+* \return A vector with 4 elements of \a v0, each shifted right by \a shift bits.
+* \relates Simd4i */
+inline Simd4i operator>>(const Simd4i& v, int shift);
+
+#if NVMATH_SHIFT_BY_VECTOR
+
+/*! \brief Vector logical left shift.
+* \return A vector with 4 elements of \a v0, each shifted left by \a shift bits.
+* \relates Simd4i */
+inline Simd4i operator<<(const Simd4i& v, const Simd4i& shift);
+
+/*! \brief Vector logical right shift.
+* \return A vector with 4 elements of \a v0, each shifted right by \a shift bits.
+* \relates Simd4i */
+inline Simd4i operator>>(const Simd4i& v, const Simd4i& shift);
+
+#endif // NVMATH_SHIFT_BY_VECTOR
+
+#endif // NVMATH_DISTINCT_TYPES
+
+namespace simdi // disambiguate for VMX
+{
+// note: operator?= missing because they don't have corresponding intrinsics.
+
+/*! \brief Test for equality of two vectors.
+* \return Vector of per element result mask (all bits set for 'true', none set for 'false').
+* \relates Simd4i */
+inline Simd4i operator==(const Simd4i& v0, const Simd4i& v1);
+
+// no !=, <=, >= because VMX128/SSE don't support it, use ~equal etc.
+
+/*! \brief Less-compare all elements of two *signed* vectors.
+* \return Vector of per element result mask (all bits set for 'true', none set for 'false').
+* \relates Simd4i */
+inline Simd4i operator<(const Simd4i& v0, const Simd4i& v1);
+
+/*! \brief Greater-compare all elements of two *signed* vectors.
+* \return Vector of per element result mask (all bits set for 'true', none set for 'false').
+* \relates Simd4i */
+inline Simd4i operator>(const Simd4i& v0, const Simd4i& v1);
+
+/*! \brief Vector addition operator
+* \return A vector holding the component-wise sum of \a v0 and \a v1.
+* \relates Simd4i */
+inline Simd4i operator+(const Simd4i& v0, const Simd4i& v1);
+
+/*! \brief Unary vector negation operator.
+* \return A vector holding the component-wise negation of \a v.
+* \relates Simd4i */
+inline Simd4i operator-(const Simd4i& v);
+
+/*! \brief Vector subtraction operator.
+* \return A vector holding the component-wise difference of \a v0 and \a v1.
+* \relates Simd4i */
+inline Simd4i operator-(const Simd4i& v0, const Simd4i& v1);
+
+} // namespace simdi
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+// functions
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+/*! \brief Load int value into all vector components.
+* \relates Simd4i */
+inline Simd4iFactory<const int&> simd4i(const int& s)
+{
+	return Simd4iFactory<const int&>(s);
+}
+
+/*! \brief Load 4 int values into vector.
+* \relates Simd4i */
+inline Simd4iFactory<detail::FourTuple> simd4i(int x, int y, int z, int w)
+{
+	return Simd4iFactory<detail::FourTuple>(x, y, z, w);
+}
+
+/*! \brief Create vector from literal.
+* \return Vector with all elements set to \c i.
+* \relates Simd4i */
+template <int i>
+inline Simd4iFactory<detail::IntType<i> > simd4i(const detail::IntType<i>&)
+{
+	return Simd4iFactory<detail::IntType<i> >();
+}
+
+template <>
+inline Simd4iFactory<detail::IntType<1> > simd4i(const detail::IntType<1>&)
+{
+	return Simd4iFactory<detail::IntType<1> >();
+}
+
+template <>
+inline Simd4iFactory<detail::IntType<int(0x80000000)> > simd4i(const detail::IntType<int(0x80000000)>&)
+{
+	return Simd4iFactory<detail::IntType<int(0x80000000)> >();
+}
+
+template <>
+inline Simd4iFactory<detail::IntType<-1> > simd4i(const detail::IntType<-1>&)
+{
+	return Simd4iFactory<detail::IntType<-1> >();
+}
+
+/*! \brief Reinterpret Simd4f as Simd4i.
+* \return A copy of \a v, but reinterpreted as Simd4i.
+* \relates Simd4i */
+inline Simd4i simd4i(const Simd4f& v);
+
+/*! \brief Reinterpret Simd4fFactory as Simd4iFactory.
+* \relates Simd4i */
+template <typename T>
+inline Simd4iFactory<T> simd4i(const Simd4fFactory<T>& v)
+{
+	return reinterpret_cast<const Simd4iFactory<T>&>(v);
+}
+
+/*! \brief Truncate Simd4f to Simd4i.
+* \relates Simd4i */
+inline Simd4i truncate(const Simd4f& v);
+
+namespace simdi
+{
+
+/*! \brief return reference to contiguous array of vector elements
+* \relates Simd4i */
+inline int (&array(Simd4i& v))[4];
+
+/*! \brief return constant reference to contiguous array of vector elements
+* \relates Simd4i */
+inline const int (&array(const Simd4i& v))[4];
+
+} // namespace simdi
+
+/*! \brief Create vector from int array.
+* \relates Simd4i */
+inline Simd4iFactory<const int*> load(const int* ptr)
+{
+	return ptr;
+}
+
+/*! \brief Create vector from aligned int array.
+* \note \a ptr needs to be 16 byte aligned.
+* \relates Simd4i */
+inline Simd4iFactory<detail::AlignedPointer<int> > loadAligned(const int* ptr)
+{
+	return detail::AlignedPointer<int>(ptr);
+}
+
+/*! \brief Create vector from aligned float array.
+* \param offset pointer offset in bytes.
+* \note \a ptr+offset needs to be 16 byte aligned.
+* \relates Simd4i */
+inline Simd4iFactory<detail::OffsetPointer<int> > loadAligned(const int* ptr, unsigned int offset)
+{
+	return detail::OffsetPointer<int>(ptr, offset);
+}
+
+/*! \brief Store vector \a v to int array \a ptr.
+* \relates Simd4i */
+inline void store(int* ptr, const Simd4i& v);
+
+/*! \brief Store vector \a v to aligned int array \a ptr.
+* \note \a ptr needs to be 16 byte aligned.
+* \relates Simd4i */
+inline void storeAligned(int* ptr, const Simd4i& v);
+
+/*! \brief Store vector \a v to aligned int array \a ptr.
+* \param offset pointer offset in bytes.
+* \note \a ptr+offset needs to be 16 byte aligned.
+* \relates Simd4i */
+inline void storeAligned(int* ptr, unsigned int offset, const Simd4i& v);
+
+#if NVMATH_DISTINCT_TYPES
+
+/*! \brief replicate i-th component into all vector components.
+* \return Vector with all elements set to \a v[i].
+* \relates Simd4i */
+template <size_t i>
+inline Simd4i splat(const Simd4i& v);
+
+/*! \brief Select \a v0 or \a v1 based on \a mask.
+* \return mask ? v0 : v1
+* \relates Simd4i */
+inline Simd4i select(const Simd4i& mask, const Simd4i& v0, const Simd4i& v1);
+
+#endif // NVMATH_DISTINCT_TYPES
+
+namespace simdi // disambiguate for VMX
+{
+
+/*! \brief returns non-zero if all elements or \a v0 and \a v1 are equal
+* \relates Simd4i */
+inline int allEqual(const Simd4i& v0, const Simd4i& v1);
+
+/*! \brief returns non-zero if all elements or \a v0 and \a v1 are equal
+* \param outMask holds the result of \a v0 == \a v1.
+* \relates Simd4i */
+inline int allEqual(const Simd4i& v0, const Simd4i& v1, Simd4i& outMask);
+
+/*! \brief returns non-zero if any elements or \a v0 and \a v1 are equal
+* \relates Simd4i */
+inline int anyEqual(const Simd4i& v0, const Simd4i& v1);
+
+/*! \brief returns non-zero if any elements or \a v0 and \a v1 are equal
+* \param outMask holds the result of \a v0 == \a v1.
+* \relates Simd4i */
+inline int anyEqual(const Simd4i& v0, const Simd4i& v1, Simd4i& outMask);
+
+/*! \brief returns non-zero if all *signed* elements or \a v0 and \a v1 are greater
+* \relates Simd4i */
+inline int allGreater(const Simd4i& v0, const Simd4i& v1);
+
+/*! \brief returns non-zero if all *signed* elements or \a v0 and \a v1 are greater
+* \param outMask holds the result of \a v0 == \a v1.
+* \relates Simd4i */
+inline int allGreater(const Simd4i& v0, const Simd4i& v1, Simd4i& outMask);
+
+/*! \brief returns non-zero if any elements or \a v0 and \a v1 are greater
+* \relates Simd4i */
+inline int anyGreater(const Simd4i& v0, const Simd4i& v1);
+
+/*! \brief returns non-zero if any elements or \a v0 and \a v1 are greater
+* \param outMask holds the result of \a v0 == \a v1.
+* \relates Simd4i */
+inline int anyGreater(const Simd4i& v0, const Simd4i& v1, Simd4i& outMask);
+
+} // namespace simdi
+
+#if NVMATH_DISTINCT_TYPES
+
+/*! \brief returns non-zero if all elements are true
+* \note undefined if parameter is not result of a comparison.
+* \relates Simd4i */
+inline int allTrue(const Simd4i& v);
+
+/*! \brief returns non-zero if any element is true
+* \note undefined if parameter is not result of a comparison.
+* \relates Simd4i */
+inline int anyTrue(const Simd4i& v);
+
+#endif // NVMATH_DISTINCT_TYPES
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+// platform specific includes
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+#if NVMATH_SSE2
+#include "sse2/Simd4i.h"
+#elif NVMATH_VMX128
+#include "xbox360/Simd4i.h"
+#elif NVMATH_ALTIVEC
+#include "ps3/Simd4i.h"
+#elif NVMATH_NEON
+#include "neon/Simd4i.h"
+#endif
+
+#if NVMATH_SCALAR
+#include "scalar/Simd4i.h"
+#endif