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133 lines
7.1 KiB
C++
133 lines
7.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// Restrictions:
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/// By making use of the Software for military purposes, you choose to make
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/// a Bunny unhappy.
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///
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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 THE
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/// 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 FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref core
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/// @file glm/detail/func_exponential.hpp
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/// @date 2008-08-08 / 2011-06-14
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/// @author Christophe Riccio
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///
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/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a>
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///
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/// @defgroup core_func_exponential Exponential functions
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/// @ingroup core
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///
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/// These all operate component-wise. The description is per component.
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///////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "type_vec1.hpp"
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#include "type_vec2.hpp"
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#include "type_vec3.hpp"
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#include "type_vec4.hpp"
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#include <cmath>
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namespace glm
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{
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/// @addtogroup core_func_exponential
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/// @{
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/// Returns 'base' raised to the power 'exponent'.
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///
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/// @param base Floating point value. pow function is defined for input values of 'base' defined in the range (inf-, inf+) in the limit of the type precision.
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/// @param exponent Floating point value representing the 'exponent'.
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/// @tparam genType Floating-point scalar or vector types.
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///
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/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/pow.xml">GLSL pow man page</a>
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/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a>
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> pow(vecType<T, P> const & base, vecType<T, P> const & exponent);
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/// Returns the natural exponentiation of x, i.e., e^x.
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///
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/// @param v exp function is defined for input values of v defined in the range (inf-, inf+) in the limit of the type precision.
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/// @tparam genType Floating-point scalar or vector types.
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///
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/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/exp.xml">GLSL exp man page</a>
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/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a>
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> exp(vecType<T, P> const & v);
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/// Returns the natural logarithm of v, i.e.,
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/// returns the value y which satisfies the equation x = e^y.
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/// Results are undefined if v <= 0.
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///
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/// @param v log function is defined for input values of v defined in the range (0, inf+) in the limit of the type precision.
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/// @tparam genType Floating-point scalar or vector types.
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///
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/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/log.xml">GLSL log man page</a>
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/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a>
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> log(vecType<T, P> const & v);
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/// Returns 2 raised to the v power.
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///
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/// @param v exp2 function is defined for input values of v defined in the range (inf-, inf+) in the limit of the type precision.
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/// @tparam genType Floating-point scalar or vector types.
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///
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/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/exp2.xml">GLSL exp2 man page</a>
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/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a>
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> exp2(vecType<T, P> const & v);
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/// Returns the base 2 log of x, i.e., returns the value y,
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/// which satisfies the equation x = 2 ^ y.
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///
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/// @param v log2 function is defined for input values of v defined in the range (0, inf+) in the limit of the type precision.
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/// @tparam genType Floating-point scalar or vector types.
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///
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/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/log2.xml">GLSL log2 man page</a>
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/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a>
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> log2(vecType<T, P> const & v);
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/// Returns the positive square root of v.
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///
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/// @param v sqrt function is defined for input values of v defined in the range [0, inf+) in the limit of the type precision.
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/// @tparam genType Floating-point scalar or vector types.
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///
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/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/sqrt.xml">GLSL sqrt man page</a>
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/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a>
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//template <typename genType>
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//GLM_FUNC_DECL genType sqrt(genType const & x);
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> sqrt(vecType<T, P> const & v);
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/// Returns the reciprocal of the positive square root of v.
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///
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/// @param v inversesqrt function is defined for input values of v defined in the range [0, inf+) in the limit of the type precision.
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/// @tparam genType Floating-point scalar or vector types.
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///
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/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/inversesqrt.xml">GLSL inversesqrt man page</a>
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/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a>
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_DECL vecType<T, P> inversesqrt(vecType<T, P> const & v);
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/// @}
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}//namespace glm
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#include "func_exponential.inl"
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