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365 lines
12 KiB
C++
365 lines
12 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2009-04-29
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// Updated : 2010-02-07
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// Licence : This source is under MIT License
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// File : glm/gtc/half_float.hpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef glm_gtc_half_float
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#define glm_gtc_half_float
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// Dependency:
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#include "../glm.hpp"
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#if(defined(GLM_MESSAGES) && !defined(glm_ext))
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# pragma message("GLM: GLM_GTC_half_float extension included")
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#endif
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namespace glm{
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namespace detail
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{
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#ifndef _MSC_EXTENSIONS
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template <>
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struct tvec2<thalf>
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{
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enum ctor{null};
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typedef thalf value_type;
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typedef std::size_t size_type;
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static size_type value_size();
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typedef tvec2<thalf> type;
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typedef tvec2<bool> bool_type;
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//////////////////////////////////////
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// Data
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thalf x, y;
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//////////////////////////////////////
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// Accesses
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thalf & operator[](size_type i);
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thalf const & operator[](size_type i) const;
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//////////////////////////////////////
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// Implicit basic constructors
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tvec2();
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tvec2(tvec2<thalf> const & v);
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//////////////////////////////////////
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// Explicit basic constructors
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explicit tvec2(ctor);
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explicit tvec2(
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thalf const & s);
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explicit tvec2(
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thalf const & s1,
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thalf const & s2);
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//////////////////////////////////////
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// Swizzle constructors
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tvec2(tref2<thalf> const & r);
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//////////////////////////////////////
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// Convertion scalar constructors
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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explicit tvec2(U const & x);
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U, typename V>
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explicit tvec2(U const & x, V const & y);
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//////////////////////////////////////
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// Convertion vector constructors
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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explicit tvec2(tvec2<U> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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explicit tvec2(tvec3<U> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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explicit tvec2(tvec4<U> const & v);
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//////////////////////////////////////
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// Unary arithmetic operators
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tvec2<thalf>& operator= (tvec2<thalf> const & v);
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tvec2<thalf>& operator+=(thalf const & s);
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tvec2<thalf>& operator+=(tvec2<thalf> const & v);
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tvec2<thalf>& operator-=(thalf const & s);
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tvec2<thalf>& operator-=(tvec2<thalf> const & v);
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tvec2<thalf>& operator*=(thalf const & s);
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tvec2<thalf>& operator*=(tvec2<thalf> const & v);
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tvec2<thalf>& operator/=(thalf const & s);
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tvec2<thalf>& operator/=(tvec2<thalf> const & v);
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tvec2<thalf>& operator++();
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tvec2<thalf>& operator--();
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//////////////////////////////////////
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// Swizzle operators
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thalf swizzle(comp X) const;
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tvec2<thalf> swizzle(comp X, comp Y) const;
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tvec3<thalf> swizzle(comp X, comp Y, comp Z) const;
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tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const;
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tref2<thalf> swizzle(comp X, comp Y);
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};
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template <>
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struct tvec3<thalf>
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{
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enum ctor{null};
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typedef thalf value_type;
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typedef std::size_t size_type;
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static size_type value_size();
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typedef tvec3<thalf> type;
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typedef tvec3<bool> bool_type;
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//////////////////////////////////////
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// Data
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thalf x, y, z;
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//////////////////////////////////////
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// Accesses
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thalf & operator[](size_type i);
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thalf const & operator[](size_type i) const;
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//////////////////////////////////////
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// Implicit basic constructors
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tvec3();
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tvec3(tvec3<thalf> const & v);
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//////////////////////////////////////
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// Explicit basic constructors
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explicit tvec3(ctor);
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explicit tvec3(
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thalf const & s);
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explicit tvec3(
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thalf const & s1,
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thalf const & s2,
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thalf const & s3);
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//////////////////////////////////////
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// Swizzle constructors
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tvec3(tref3<thalf> const & r);
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//////////////////////////////////////
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// Convertion scalar constructors
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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explicit tvec3(U const & x);
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U, typename V, typename W>
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explicit tvec3(U const & x, V const & y, W const & z);
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//////////////////////////////////////
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// Convertion vector constructors
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B>
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explicit tvec3(tvec2<A> const & v, B const & s);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B>
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explicit tvec3(A const & s, tvec2<B> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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explicit tvec3(tvec3<U> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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explicit tvec3(tvec4<U> const & v);
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//////////////////////////////////////
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// Unary arithmetic operators
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tvec3<thalf>& operator= (tvec3<thalf> const & v);
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tvec3<thalf>& operator+=(thalf const & s);
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tvec3<thalf>& operator+=(tvec3<thalf> const & v);
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tvec3<thalf>& operator-=(thalf const & s);
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tvec3<thalf>& operator-=(tvec3<thalf> const & v);
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tvec3<thalf>& operator*=(thalf const & s);
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tvec3<thalf>& operator*=(tvec3<thalf> const & v);
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tvec3<thalf>& operator/=(thalf const & s);
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tvec3<thalf>& operator/=(tvec3<thalf> const & v);
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tvec3<thalf>& operator++();
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tvec3<thalf>& operator--();
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//////////////////////////////////////
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// Swizzle operators
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thalf swizzle(comp X) const;
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tvec2<thalf> swizzle(comp X, comp Y) const;
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tvec3<thalf> swizzle(comp X, comp Y, comp Z) const;
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tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const;
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tref3<thalf> swizzle(comp X, comp Y, comp Z);
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};
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template <>
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struct tvec4<thalf>
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{
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enum ctor{null};
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typedef thalf value_type;
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typedef std::size_t size_type;
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static size_type value_size();
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typedef tvec4<thalf> type;
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typedef tvec4<bool> bool_type;
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//////////////////////////////////////
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// Data
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thalf x, y, z, w;
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//////////////////////////////////////
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// Accesses
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thalf & operator[](size_type i);
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thalf const & operator[](size_type i) const;
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//////////////////////////////////////
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// Implicit basic constructors
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tvec4();
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tvec4(tvec4<thalf> const & v);
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//////////////////////////////////////
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// Explicit basic constructors
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explicit tvec4(ctor);
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explicit tvec4(
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thalf const & s);
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explicit tvec4(
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thalf const & s0,
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thalf const & s1,
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thalf const & s2,
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thalf const & s3);
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//////////////////////////////////////
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// Swizzle constructors
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tvec4(tref4<thalf> const & r);
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//////////////////////////////////////
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// Convertion scalar constructors
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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explicit tvec4(U const & x);
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B, typename C, typename D>
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explicit tvec4(A const & x, B const & y, C const & z, D const & w);
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//////////////////////////////////////
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// Convertion vector constructors
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B, typename C>
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explicit tvec4(tvec2<A> const & v, B const & s1, C const & s2);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B, typename C>
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explicit tvec4(A const & s1, tvec2<B> const & v, C const & s2);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B, typename C>
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explicit tvec4(A const & s1, B const & s2, tvec2<C> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B>
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explicit tvec4(tvec3<A> const & v, B const & s);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B>
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explicit tvec4(A const & s, tvec3<B> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B>
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explicit tvec4(tvec2<A> const & v1, tvec2<B> const & v2);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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explicit tvec4(tvec4<U> const & v);
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//////////////////////////////////////
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// Unary arithmetic operators
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tvec4<thalf>& operator= (tvec4<thalf> const & v);
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tvec4<thalf>& operator+=(thalf const & s);
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tvec4<thalf>& operator+=(tvec4<thalf> const & v);
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tvec4<thalf>& operator-=(thalf const & s);
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tvec4<thalf>& operator-=(tvec4<thalf> const & v);
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tvec4<thalf>& operator*=(thalf const & s);
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tvec4<thalf>& operator*=(tvec4<thalf> const & v);
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tvec4<thalf>& operator/=(thalf const & s);
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tvec4<thalf>& operator/=(tvec4<thalf> const & v);
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tvec4<thalf>& operator++();
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tvec4<thalf>& operator--();
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//////////////////////////////////////
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// Swizzle operators
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thalf swizzle(comp X) const;
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tvec2<thalf> swizzle(comp X, comp Y) const;
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tvec3<thalf> swizzle(comp X, comp Y, comp Z) const;
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tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const;
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tref4<thalf> swizzle(comp X, comp Y, comp Z, comp W);
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};
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#endif//_MSC_EXTENSIONS
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}
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//namespace detail
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namespace gtc{
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namespace half_float ///< GLM_GTC_half_float extension: Add support for half precision floating-point types
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{
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/// \addtogroup gtc_half_float
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///@{
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/// Type for half-precision floating-point numbers.
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/// From GLM_GTC_half_float extension.
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typedef detail::thalf half;
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/// Vector of 2 half-precision floating-point numbers.
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/// From GLM_GTC_half_float extension.
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typedef detail::tvec2<detail::thalf> hvec2;
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/// Vector of 3 half-precision floating-point numbers.
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/// From GLM_GTC_half_float extension.
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typedef detail::tvec3<detail::thalf> hvec3;
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/// Vector of 4 half-precision floating-point numbers.
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/// From GLM_GTC_half_float extension.
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typedef detail::tvec4<detail::thalf> hvec4;
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/// 2 * 2 matrix of half-precision floating-point numbers.
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/// From GLM_GTC_half_float extension.
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typedef detail::tmat2x2<detail::thalf> hmat2;
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/// 3 * 3 matrix of half-precision floating-point numbers.
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/// From GLM_GTC_half_float extension.
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typedef detail::tmat3x3<detail::thalf> hmat3;
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/// 4 * 4 matrix of half-precision floating-point numbers.
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/// From GLM_GTC_half_float extension.
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typedef detail::tmat4x4<detail::thalf> hmat4;
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/// @}
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}// namespace half_float
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}// namespace gtc
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}// namespace glm
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#include "half_float.inl"
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namespace glm{using namespace gtc::half_float;}
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#endif//glm_gtc_half_float
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