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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// SPDX-FileCopyrightText: Copyright (c) 2008-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
#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