146 lines
3.8 KiB
C++
146 lines
3.8 KiB
C++
// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2023 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef PX_BASIC_TEMPLATES_H
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#define PX_BASIC_TEMPLATES_H
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#include "foundation/PxPreprocessor.h"
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#if !PX_DOXYGEN
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namespace physx
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{
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#endif
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template <typename A>
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struct PxEqual
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{
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bool operator()(const A& a, const A& b) const
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{
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return a == b;
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}
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};
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template <typename A>
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struct PxLess
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{
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bool operator()(const A& a, const A& b) const
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{
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return a < b;
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}
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};
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template <typename A>
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struct PxGreater
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{
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bool operator()(const A& a, const A& b) const
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{
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return a > b;
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}
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};
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template <class F, class S>
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class PxPair
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{
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public:
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F first;
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S second;
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PX_CUDA_CALLABLE PX_INLINE PxPair() : first(F()), second(S())
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{
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}
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PX_CUDA_CALLABLE PX_INLINE PxPair(const F& f, const S& s) : first(f), second(s)
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{
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}
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PX_CUDA_CALLABLE PX_INLINE PxPair(const PxPair& p) : first(p.first), second(p.second)
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{
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}
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PX_CUDA_CALLABLE PX_INLINE PxPair& operator=(const PxPair& p)
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{
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first = p.first;
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second = p.second;
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return *this;
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}
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PX_CUDA_CALLABLE PX_INLINE bool operator==(const PxPair& p) const
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{
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return first == p.first && second == p.second;
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}
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PX_CUDA_CALLABLE PX_INLINE bool operator<(const PxPair& p) const
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{
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if (first < p.first)
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return true;
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else
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return !(p.first < first) && (second < p.second);
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}
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};
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template <unsigned int A>
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struct PxLogTwo
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{
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static const unsigned int value = PxLogTwo<(A >> 1)>::value + 1;
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};
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template <>
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struct PxLogTwo<1>
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{
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static const unsigned int value = 0;
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};
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template <typename T>
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struct PxUnConst
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{
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typedef T Type;
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};
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template <typename T>
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struct PxUnConst<const T>
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{
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typedef T Type;
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};
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template <typename T>
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T PxPointerOffset(void* p, ptrdiff_t offset)
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{
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return reinterpret_cast<T>(reinterpret_cast<char*>(p) + offset);
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}
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template <typename T>
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T PxPointerOffset(const void* p, ptrdiff_t offset)
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{
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return reinterpret_cast<T>(reinterpret_cast<const char*>(p) + offset);
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}
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template <class T>
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PX_CUDA_CALLABLE PX_INLINE void PxSwap(T& x, T& y)
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{
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const T tmp = x;
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x = y;
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y = tmp;
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}
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#if !PX_DOXYGEN
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} // namespace physx
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#endif
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#endif
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