| 1 | // |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions |
| 4 | // are met: |
| 5 | // * Redistributions of source code must retain the above copyright |
| 6 | // notice, this list of conditions and the following disclaimer. |
| 7 | // * Redistributions in binary form must reproduce the above copyright |
| 8 | // notice, this list of conditions and the following disclaimer in the |
| 9 | // documentation and/or other materials provided with the distribution. |
| 10 | // * Neither the name of NVIDIA CORPORATION nor the names of its |
| 11 | // contributors may be used to endorse or promote products derived |
| 12 | // from this software without specific prior written permission. |
| 13 | // |
| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY |
| 15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | // |
| 26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. |
| 27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. |
| 28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. |
| 29 | |
| 30 | #ifndef PSFOUNDATION_PSBASICTEMPLATES_H |
| 31 | #define PSFOUNDATION_PSBASICTEMPLATES_H |
| 32 | |
| 33 | #include "Ps.h" |
| 34 | |
| 35 | namespace physx |
| 36 | { |
| 37 | namespace shdfnd |
| 38 | { |
| 39 | template <typename A> |
| 40 | struct Equal |
| 41 | { |
| 42 | bool operator()(const A& a, const A& b) const |
| 43 | { |
| 44 | return a == b; |
| 45 | } |
| 46 | }; |
| 47 | |
| 48 | template <typename A> |
| 49 | struct Less |
| 50 | { |
| 51 | bool operator()(const A& a, const A& b) const |
| 52 | { |
| 53 | return a < b; |
| 54 | } |
| 55 | }; |
| 56 | |
| 57 | template <typename A> |
| 58 | struct Greater |
| 59 | { |
| 60 | bool operator()(const A& a, const A& b) const |
| 61 | { |
| 62 | return a > b; |
| 63 | } |
| 64 | }; |
| 65 | |
| 66 | template <class F, class S> |
| 67 | class Pair |
| 68 | { |
| 69 | public: |
| 70 | F first; |
| 71 | S second; |
| 72 | Pair() : first(F()), second(S()) |
| 73 | { |
| 74 | } |
| 75 | Pair(const F& f, const S& s) : first(f), second(s) |
| 76 | { |
| 77 | } |
| 78 | Pair(const Pair& p) : first(p.first), second(p.second) |
| 79 | { |
| 80 | } |
| 81 | // CN - fix for /.../PsBasicTemplates.h(61) : warning C4512: 'physx::shdfnd::Pair<F,S>' : assignment operator could |
| 82 | // not be generated |
| 83 | Pair& operator=(const Pair& p) |
| 84 | { |
| 85 | first = p.first; |
| 86 | second = p.second; |
| 87 | return *this; |
| 88 | } |
| 89 | bool operator==(const Pair& p) const |
| 90 | { |
| 91 | return first == p.first && second == p.second; |
| 92 | } |
| 93 | bool operator<(const Pair& p) const |
| 94 | { |
| 95 | if(first < p.first) |
| 96 | return true; |
| 97 | else |
| 98 | return !(p.first < first) && (second < p.second); |
| 99 | } |
| 100 | }; |
| 101 | |
| 102 | template <unsigned int A> |
| 103 | struct LogTwo |
| 104 | { |
| 105 | static const unsigned int value = LogTwo<(A >> 1)>::value + 1; |
| 106 | }; |
| 107 | template <> |
| 108 | struct LogTwo<1> |
| 109 | { |
| 110 | static const unsigned int value = 0; |
| 111 | }; |
| 112 | |
| 113 | template <typename T> |
| 114 | struct UnConst |
| 115 | { |
| 116 | typedef T Type; |
| 117 | }; |
| 118 | template <typename T> |
| 119 | struct UnConst<const T> |
| 120 | { |
| 121 | typedef T Type; |
| 122 | }; |
| 123 | |
| 124 | template <typename T> |
| 125 | T pointerOffset(void* p, ptrdiff_t offset) |
| 126 | { |
| 127 | return reinterpret_cast<T>(reinterpret_cast<char*>(p) + offset); |
| 128 | } |
| 129 | template <typename T> |
| 130 | T pointerOffset(const void* p, ptrdiff_t offset) |
| 131 | { |
| 132 | return reinterpret_cast<T>(reinterpret_cast<const char*>(p) + offset); |
| 133 | } |
| 134 | |
| 135 | template <class T> |
| 136 | PX_CUDA_CALLABLE PX_INLINE void swap(T& x, T& y) |
| 137 | { |
| 138 | const T tmp = x; |
| 139 | x = y; |
| 140 | y = tmp; |
| 141 | } |
| 142 | |
| 143 | } // namespace shdfnd |
| 144 | } // namespace physx |
| 145 | |
| 146 | #endif // #ifndef PSFOUNDATION_PSBASICTEMPLATES_H |
| 147 | |