glm/glm/gtx/fast_exponential.hpp
2017-08-17 16:24:32 +02:00

96 lines
3.0 KiB
C++

/// @ref gtx_fast_exponential
/// @file glm/gtx/fast_exponential.hpp
///
/// @see core (dependence)
/// @see gtx_half_float (dependence)
///
/// @defgroup gtx_fast_exponential GLM_GTX_fast_exponential
/// @ingroup gtx
///
/// Include <glm/gtx/fast_exponential.hpp> to use the features of this extension.
///
/// Fast but less accurate implementations of exponential based functions.
#pragma once
// Dependency:
#include "../glm.hpp"
#ifndef GLM_ENABLE_EXPERIMENTAL
# 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."
#endif
#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
# pragma message("GLM: GLM_GTX_fast_exponential extension included")
#endif
namespace glm
{
/// @addtogroup gtx_fast_exponential
/// @{
/// Faster than the common pow function but less accurate.
/// @see gtx_fast_exponential
template<typename genType>
GLM_FUNC_DECL genType fastPow(genType x, genType y);
/// Faster than the common pow function but less accurate.
/// @see gtx_fast_exponential
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> fastPow(vec<L, T, Q> const& x, vec<L, T, Q> const& y);
/// Faster than the common pow function but less accurate.
/// @see gtx_fast_exponential
template<typename genTypeT, typename genTypeU>
GLM_FUNC_DECL genTypeT fastPow(genTypeT x, genTypeU y);
/// Faster than the common pow function but less accurate.
/// @see gtx_fast_exponential
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> fastPow(vec<L, T, Q> const& x);
/// Faster than the common exp function but less accurate.
/// @see gtx_fast_exponential
template<typename T>
GLM_FUNC_DECL T fastExp(T x);
/// Faster than the common exp function but less accurate.
/// @see gtx_fast_exponential
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> fastExp(vec<L, T, Q> const& x);
/// Faster than the common log function but less accurate.
/// @see gtx_fast_exponential
template<typename T>
GLM_FUNC_DECL T fastLog(T x);
/// Faster than the common exp2 function but less accurate.
/// @see gtx_fast_exponential
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> fastLog(vec<L, T, Q> const& x);
/// Faster than the common exp2 function but less accurate.
/// @see gtx_fast_exponential
template<typename T>
GLM_FUNC_DECL T fastExp2(T x);
/// Faster than the common exp2 function but less accurate.
/// @see gtx_fast_exponential
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> fastExp2(vec<L, T, Q> const& x);
/// Faster than the common log2 function but less accurate.
/// @see gtx_fast_exponential
template<typename T>
GLM_FUNC_DECL T fastLog2(T x);
/// Faster than the common log2 function but less accurate.
/// @see gtx_fast_exponential
template<length_t L, typename T, qualifier Q>
GLM_FUNC_DECL vec<L, T, Q> fastLog2(vec<L, T, Q> const& x);
/// @}
}//namespace glm
#include "fast_exponential.inl"