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87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2009 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2006-01-09
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// Updated : 2006-11-13
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// Licence : This source is under MIT License
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// File : glm/gtx/fast_exponential.hpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Dependency:
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// - GLM core
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// - GLM_GTX_half
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// - GLM_GTX_double
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef glm_gtx_fast_exponential
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#define glm_gtx_fast_exponential
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// Dependency:
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#include "../glm.hpp"
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#include "../gtc/half_float.hpp"
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#include "../gtc/double_float.hpp"
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namespace glm
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{
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namespace test{
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void main_gtx_fast_exponential();
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}//namespace test
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namespace gtx{
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//! GLM_GTX_fast_exponential extension: Fast but less accurate implementations of exponential based functions.
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namespace fast_exponential
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{
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using namespace gtc::half_float;
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using namespace gtc::double_float;
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//! Faster than the common pow function but less accurate.
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//! From GLM_GTX_fast_exponential extension.
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template <typename valType>
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valType fastPow(
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valType const & x,
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valType const & y);
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//! Faster than the common pow function but less accurate.
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//! From GLM_GTX_fast_exponential extension.
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template <typename T, typename U>
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T fastPow(
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const T& x,
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const U& y);
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//! Faster than the common exp function but less accurate.
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//! From GLM_GTX_fast_exponential extension.
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template <typename T>
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T fastExp(const T& x);
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//! Faster than the common log function but less accurate.
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//! From GLM_GTX_fast_exponential extension.
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template <typename T>
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T fastLog(const T& x);
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//! Faster than the common exp2 function but less accurate.
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//! From GLM_GTX_fast_exponential extension.
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template <typename T>
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T fastExp2(const T& x);
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//! Faster than the common log2 function but less accurate.
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//! From GLM_GTX_fast_exponential extension.
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template <typename T>
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T fastLog2(const T& x);
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//! Faster than the common ln function but less accurate.
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//! From GLM_GTX_fast_exponential extension.
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template <typename T>
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T fastLn(const T& x);
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}//namespace fast_exponential
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}//namespace gtx
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}//namespace glm
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#define GLM_GTX_fast_exponential namespace gtx::fast_exponential
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#ifndef GLM_GTX_GLOBAL
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namespace glm {using GLM_GTX_fast_exponential;}
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#endif//GLM_GTX_GLOBAL
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#include "fast_exponential.inl"
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#endif//glm_gtx_fast_exponential
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