mirror of https://github.com/mosra/magnum.git
Vladimír Vondruš
7 years ago
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#ifndef Magnum_Math_Simd_h |
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#define Magnum_Math_Simd_h |
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/*
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
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Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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/** @file
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* @brief Namespace @ref Magnum::Math::Simd |
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*/ |
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/** @namespace Magnum::Math::Simd
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@brief SIMD dispatch tags |
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Tags for dispatching to particular SIMD-optimized versions of batch math |
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algorithms. |
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This library is built as part of Magnum by default. To use this library with |
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CMake, you need to find the `Magnum` package and link to the `Magnum::Magnum` |
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target: |
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@code{.cmake} |
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find_package(Magnum REQUIRED) |
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# ... |
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target_link_libraries(your-app Magnum::Magnum) |
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@endcode |
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See @ref building and @ref cmake for more information. |
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*/ |
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namespace Magnum { namespace Math { namespace Simd { |
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/**
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@brief No SIMD acceleration tag type |
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Used to distinguish algorithms that have no explicit SIMD optimizations, apart |
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from compiler magic. |
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@see @ref None |
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*/ |
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/* Explicit constructor to avoid ambiguous calls when using {} */ |
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struct NoneT { |
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#ifndef DOXYGEN_GENERATING_OUTPUT |
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struct Init{}; |
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constexpr explicit NoneT(Init) {} |
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#endif |
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}; |
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/**
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@brief SSE2 SIMD acceleration tag type |
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Used to distinguish algorithms that use at most the |
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[SSE2](https://en.wikipedia.org/wiki/SSE2) instruction set.
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@see @ref Sse2 |
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*/ |
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/* Explicit constructor to avoid ambiguous calls when using {} */ |
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struct Sse2T { |
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#ifndef DOXYGEN_GENERATING_OUTPUT |
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struct Init{}; |
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constexpr explicit Sse2T(Init) {} |
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#endif |
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}; |
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/**
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@brief SSE4.1 SIMD acceleration tag type |
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Used to distinguish algorithms that use at most the |
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[SSE4.1](https://en.wikipedia.org/wiki/SSE4#SSE4.1) instruction set.
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@see @ref Sse41 |
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*/ |
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/* Explicit constructor to avoid ambiguous calls when using {} */ |
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struct Sse41T { |
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#ifndef DOXYGEN_GENERATING_OUTPUT |
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struct Init{}; |
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constexpr explicit Sse41T(Init) {} |
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#endif |
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}; |
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/**
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@brief AVX2 SIMD acceleration tag type |
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Used to distinguish algorithms that use at most the |
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[AVX2](https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#AVX2)
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instruction set. |
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@see @ref Avx2 |
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*/ |
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/* Explicit constructor to avoid ambiguous calls when using {} */ |
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struct Avx2T { |
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#ifndef DOXYGEN_GENERATING_OUTPUT |
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struct Init{}; |
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constexpr explicit Avx2T(Init) {} |
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#endif |
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}; |
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/**
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@brief No SIMD acceleration tag |
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Use for selecting algorithms with no explicit SIMD optimizations. |
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*/ |
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constexpr NoneT None{NoneT::Init{}}; |
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/**
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@brief SSE2 SIMD acceleration tag |
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Use for selecting algorithms that use at most the |
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[SSE2](https://en.wikipedia.org/wiki/SSE2) instruction set.
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*/ |
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constexpr Sse2T Sse2{Sse2T::Init{}}; |
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/**
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@brief SSE4.1 SIMD acceleration tag |
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Use for selecting algorithms that use at most the |
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[SSE4.1](https://en.wikipedia.org/wiki/SSE4#SSE4.1) instruction set.
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*/ |
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constexpr Sse41T Sse41{Sse41T::Init{}}; |
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/**
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@brief AVX2 SIMD acceleration tag type |
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Use for selecting algorithms that use at most the |
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[AVX2](https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#AVX2)
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instruction set. |
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*/ |
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constexpr Avx2T Avx2{Avx2T::Init{}}; |
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}}} |
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#endif |
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