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95 lines
3 KiB
C++
95 lines
3 KiB
C++
/// @ref gtx_fast_exponential
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/// @file glm/gtx/fast_exponential.hpp
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///
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/// @see core (dependence)
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/// @see gtx_half_float (dependence)
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///
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/// @defgroup gtx_fast_exponential GLM_GTX_fast_exponential
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/// @ingroup gtx
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///
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/// Include <glm/gtx/fast_exponential.hpp> to use the features of this extension.
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///
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/// Fast but less accurate implementations of exponential based functions.
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#pragma once
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// Dependency:
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#include "../glm.hpp"
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#ifndef GLM_ENABLE_EXPERIMENTAL
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# error "GLM: GLM_GTX_fast_exponential is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
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#endif
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#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
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# pragma message("GLM: GLM_GTX_fast_exponential extension included")
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#endif
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namespace glm
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{
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/// @addtogroup gtx_fast_exponential
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/// @{
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/// Faster than the common pow function but less accurate.
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/// @see gtx_fast_exponential
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template<typename genType>
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GLM_FUNC_DECL genType fastPow(genType x, genType y);
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/// Faster than the common pow function but less accurate.
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/// @see gtx_fast_exponential
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template<length_t L, typename T, qualifier Q>
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GLM_FUNC_DECL vec<L, T, Q> fastPow(vec<L, T, Q> const& x, vec<L, T, Q> const& y);
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/// Faster than the common pow function but less accurate.
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/// @see gtx_fast_exponential
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template<typename genTypeT, typename genTypeU>
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GLM_FUNC_DECL genTypeT fastPow(genTypeT x, genTypeU y);
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/// Faster than the common pow function but less accurate.
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/// @see gtx_fast_exponential
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template<length_t L, typename T, qualifier Q>
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GLM_FUNC_DECL vec<L, T, Q> fastPow(vec<L, T, Q> const& x);
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/// Faster than the common exp function but less accurate.
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/// @see gtx_fast_exponential
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template<typename T>
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GLM_FUNC_DECL T fastExp(T x);
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/// Faster than the common exp function but less accurate.
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/// @see gtx_fast_exponential
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template<length_t L, typename T, qualifier Q>
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GLM_FUNC_DECL vec<L, T, Q> fastExp(vec<L, T, Q> const& x);
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/// Faster than the common log function but less accurate.
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/// @see gtx_fast_exponential
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template<typename T>
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GLM_FUNC_DECL T fastLog(T x);
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/// Faster than the common exp2 function but less accurate.
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/// @see gtx_fast_exponential
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template<length_t L, typename T, qualifier Q>
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GLM_FUNC_DECL vec<L, T, Q> fastLog(vec<L, T, Q> const& x);
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/// Faster than the common exp2 function but less accurate.
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/// @see gtx_fast_exponential
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template<typename T>
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GLM_FUNC_DECL T fastExp2(T x);
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/// Faster than the common exp2 function but less accurate.
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/// @see gtx_fast_exponential
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template<length_t L, typename T, qualifier Q>
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GLM_FUNC_DECL vec<L, T, Q> fastExp2(vec<L, T, Q> const& x);
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/// Faster than the common log2 function but less accurate.
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/// @see gtx_fast_exponential
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template<typename T>
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GLM_FUNC_DECL T fastLog2(T x);
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/// Faster than the common log2 function but less accurate.
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/// @see gtx_fast_exponential
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template<length_t L, typename T, qualifier Q>
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GLM_FUNC_DECL vec<L, T, Q> fastLog2(vec<L, T, Q> const& x);
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/// @}
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}//namespace glm
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#include "fast_exponential.inl"
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