Revision control
+ // Redistribution and use in source and binary forms, with or without
+ // modification, are permitted provided that the following conditions
+ // are met:
+ // * Redistributions of source code must retain the above copyright
+ // notice, this list of conditions and the following disclaimer.
+ // * Redistributions in binary form must reproduce the above copyright
+ // notice, this list of conditions and the following disclaimer in the
+ // documentation and/or other materials provided with the distribution.
+ // * Neither the name of NVIDIA CORPORATION nor the names of its
+ // contributors may be used to endorse or promote products derived
+ // from this software without specific prior written permission.
+ //
+ // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+ // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ //
+ // Copyright (c) 2008-2026 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 PX_BASIC_TEMPLATES_H
+ #define PX_BASIC_TEMPLATES_H
+
+ #include "foundation/PxPreprocessor.h"
+
+ #if !PX_DOXYGEN
+ namespace physx
+ {
+ #endif
+ template <typename A>
+ struct PxEqual
+ {
+ bool operator()(const A& a, const A& b) const
+ {
+ return a == b;
+ }
+ };
+
+ template <typename A>
+ struct PxLess
+ {
+ bool operator()(const A& a, const A& b) const
+ {
+ return a < b;
+ }
+ };
+
+ template <typename A>
+ struct PxGreater
+ {
+ bool operator()(const A& a, const A& b) const
+ {
+ return a > b;
+ }
+ };
+
+ template <class F, class S>
+ class PxPair
+ {
+ public:
+ F first;
+ S second;
+ PX_CUDA_CALLABLE PX_INLINE PxPair() : first(F()), second(S())
+ {
+ }
+ PX_CUDA_CALLABLE PX_INLINE PxPair(const F& f, const S& s) : first(f), second(s)
+ {
+ }
+ PX_CUDA_CALLABLE PX_INLINE PxPair(const PxPair& p) : first(p.first), second(p.second)
+ {
+ }
+ PX_CUDA_CALLABLE PX_INLINE PxPair& operator=(const PxPair& p)
+ {
+ first = p.first;
+ second = p.second;
+ return *this;
+ }
+ PX_CUDA_CALLABLE PX_INLINE bool operator==(const PxPair& p) const
+ {
+ return first == p.first && second == p.second;
+ }
+ PX_CUDA_CALLABLE PX_INLINE bool operator<(const PxPair& p) const
+ {
+ if (first < p.first)
+ return true;
+ else
+ return !(p.first < first) && (second < p.second);
+ }
+ };
+
+ template <unsigned int A>
+ struct PxLogTwo
+ {
+ static const unsigned int value = PxLogTwo<(A >> 1)>::value + 1;
+ };
+ template <>
+ struct PxLogTwo<1>
+ {
+ static const unsigned int value = 0;
+ };
+
+ template <typename T>
+ struct PxUnConst
+ {
+ typedef T Type;
+ };
+ template <typename T>
+ struct PxUnConst<const T>
+ {
+ typedef T Type;
+ };
+
+ template <typename T>
+ T PxPointerOffset(void* p, ptrdiff_t offset)
+ {
+ return reinterpret_cast<T>(reinterpret_cast<char*>(p) + offset);
+ }
+ template <typename T>
+ T PxPointerOffset(const void* p, ptrdiff_t offset)
+ {
+ return reinterpret_cast<T>(reinterpret_cast<const char*>(p) + offset);
+ }
+
+ template <class T>
+ PX_CUDA_CALLABLE PX_INLINE void PxSwap(T& x, T& y)
+ {
+ const T tmp = x;
+ x = y;
+ y = tmp;
+ }
+
+ #if !PX_DOXYGEN
+ } // namespace physx
+ #endif
+
+ #endif
+