976 lines
14 KiB
C++
976 lines
14 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 : 2005-12-21
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// Updated : 2010-02-07
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// Licence : This source is under MIT licence
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// File : glm/gtc/half_float.inl
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///////////////////////////////////////////////////////////////////////////////////////////////////
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namespace glm{
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namespace detail{
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#ifndef _MSC_EXTENSIONS
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//////////////////////////////////////
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// hvec2
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inline tvec2<thalf>::size_type tvec2<thalf>::value_size()
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{
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return 2;
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}
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//////////////////////////////////////
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// Accesses
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inline thalf & tvec2<thalf>::operator[](tvec2<thalf>::size_type i)
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{
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assert(/*i >= tvec2<thalf>::size_type(0) && */i < tvec2<thalf>::value_size());
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return (&x)[i];
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}
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inline thalf const & tvec2<thalf>::operator[](tvec2<thalf>::size_type i) const
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{
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assert(/*i >= tvec2<thalf>::size_type(0) && */i < tvec2<thalf>::value_size());
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return (&x)[i];
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}
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//////////////////////////////////////
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// Implicit basic constructors
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inline tvec2<thalf>::tvec2() :
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x(thalf(0.f)),
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y(thalf(0.f))
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{}
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inline tvec2<thalf>::tvec2
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(
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tvec2<thalf> const & v
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) :
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x(v.x),
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y(v.y)
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{}
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//////////////////////////////////////
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// Explicit basic constructors
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inline tvec2<thalf>::tvec2
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(
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thalf const & s
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) :
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x(s),
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y(s)
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{}
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inline tvec2<thalf>::tvec2
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(
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thalf const & s1,
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thalf const & s2
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) :
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x(s1),
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y(s2)
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{}
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//////////////////////////////////////
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// Swizzle constructors
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inline tvec2<thalf>::tvec2
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(
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tref2<thalf> const & r
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) :
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x(r.x),
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y(r.y)
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{}
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//////////////////////////////////////
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// Convertion scalar constructors
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template <typename U>
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inline tvec2<thalf>::tvec2
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(
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U const & x
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) :
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x(thalf(x)),
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y(thalf(x))
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{}
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template <typename U, typename V>
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inline tvec2<thalf>::tvec2
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(
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U const & x,
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V const & y
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) :
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x(thalf(x)),
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y(thalf(y))
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{}
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//////////////////////////////////////
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// Convertion vector constructors
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template <typename U>
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inline tvec2<thalf>::tvec2
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(
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tvec2<U> const & v
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) :
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x(thalf(v.x)),
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y(thalf(v.y))
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{}
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template <typename U>
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inline tvec2<thalf>::tvec2
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(
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tvec3<U> const & v
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) :
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x(thalf(v.x)),
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y(thalf(v.y))
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{}
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template <typename U>
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inline tvec2<thalf>::tvec2
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(
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tvec4<U> const & v
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) :
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x(thalf(v.x)),
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y(thalf(v.y))
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{}
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//////////////////////////////////////
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// Unary arithmetic operators
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inline tvec2<thalf> & tvec2<thalf>::operator=
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(
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tvec2<thalf> const & v
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)
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{
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this->x = v.x;
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this->y = v.y;
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return *this;
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}
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inline tvec2<thalf> & tvec2<thalf>::operator+=
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(
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thalf const & s
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)
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{
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this->x += s;
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this->y += s;
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return *this;
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}
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inline tvec2<thalf> & tvec2<thalf>::operator+=
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(
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tvec2<thalf> const & v
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)
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{
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this->x += v.x;
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this->y += v.y;
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return *this;
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}
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inline tvec2<thalf> & tvec2<thalf>::operator-=
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(
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thalf const & s
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)
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{
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this->x -= s;
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this->y -= s;
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return *this;
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}
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inline tvec2<thalf> & tvec2<thalf>::operator-=
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(
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tvec2<thalf> const & v
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)
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{
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this->x -= v.x;
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this->y -= v.y;
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return *this;
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}
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inline tvec2<thalf>& tvec2<thalf>::operator*=
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(
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thalf const & s
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)
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{
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this->x *= s;
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this->y *= s;
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return *this;
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}
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inline tvec2<thalf> & tvec2<thalf>::operator*=
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(
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tvec2<thalf> const & v
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)
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{
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this->x *= v.x;
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this->y *= v.y;
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return *this;
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}
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inline tvec2<thalf> & tvec2<thalf>::operator/=
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(
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thalf const & s
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)
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{
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this->x /= s;
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this->y /= s;
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return *this;
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}
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inline tvec2<thalf> & tvec2<thalf>::operator/=
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(
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tvec2<thalf> const & v
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)
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{
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this->x /= v.x;
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this->y /= v.y;
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return *this;
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}
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inline tvec2<thalf> & tvec2<thalf>::operator++()
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{
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++this->x;
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++this->y;
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return *this;
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}
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inline tvec2<thalf>& tvec2<thalf>::operator--()
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{
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--this->x;
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--this->y;
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return *this;
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}
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//////////////////////////////////////
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// Swizzle operators
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inline thalf tvec2<thalf>::swizzle(comp x) const
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{
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return (*this)[x];
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}
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inline tvec2<thalf> tvec2<thalf>::swizzle(comp x, comp y) const
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{
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return tvec2<thalf>(
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(*this)[x],
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(*this)[y]);
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}
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inline tvec3<thalf> tvec2<thalf>::swizzle(comp x, comp y, comp z) const
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{
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return tvec3<thalf>(
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(*this)[x],
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(*this)[y],
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(*this)[z]);
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}
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inline tvec4<thalf> tvec2<thalf>::swizzle(comp x, comp y, comp z, comp w) const
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{
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return tvec4<thalf>(
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(*this)[x],
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(*this)[y],
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(*this)[z],
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(*this)[w]);
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}
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inline tref2<thalf> tvec2<thalf>::swizzle(comp x, comp y)
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{
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return tref2<thalf>(
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(*this)[x],
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(*this)[y]);
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}
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//////////////////////////////////////
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// hvec3
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inline tvec3<thalf>::size_type tvec3<thalf>::value_size()
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{
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return 3;
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}
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//////////////////////////////////////
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// Accesses
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inline thalf & tvec3<thalf>::operator[]
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(
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tvec3<thalf>::size_type i
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)
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{
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assert(/*i >= tvec3<thalf>::size_type(0) &&*/ i < tvec3<thalf>::value_size());
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return (&x)[i];
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}
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inline thalf const & tvec3<thalf>::operator[]
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(
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tvec3<thalf>::size_type i
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) const
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{
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assert(/*i >= tvec3<thalf>::size_type(0) &&*/ i < tvec3<thalf>::value_size());
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return (&x)[i];
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}
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//////////////////////////////////////
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// Implicit basic constructors
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inline tvec3<thalf>::tvec3() :
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x(thalf(0)),
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y(thalf(0)),
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z(thalf(0))
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{}
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inline tvec3<thalf>::tvec3
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(
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tvec3<thalf> const & v
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) :
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x(v.x),
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y(v.y),
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z(v.z)
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{}
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//////////////////////////////////////
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// Explicit basic constructors
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inline tvec3<thalf>::tvec3
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(
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thalf const & s
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) :
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x(s),
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y(s),
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z(s)
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{}
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inline tvec3<thalf>::tvec3
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(
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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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) :
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x(s0),
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y(s1),
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z(s2)
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{}
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//////////////////////////////////////
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// Swizzle constructors
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inline tvec3<thalf>::tvec3
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(
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tref3<thalf> const & r
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) :
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x(r.x),
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y(r.y),
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z(r.z)
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{}
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//////////////////////////////////////
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// Convertion scalar constructors
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template <typename U>
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inline tvec3<thalf>::tvec3
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(
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U const & x
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) :
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x(thalf(x)),
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y(thalf(x)),
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z(thalf(x))
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{}
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template <typename A, typename B, typename C>
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inline tvec3<thalf>::tvec3
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(
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A const & x,
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B const & y,
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C const & z
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) :
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x(thalf(x)),
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y(thalf(y)),
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z(thalf(z))
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{}
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//////////////////////////////////////
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// Convertion vector constructors
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template <typename A, typename B>
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inline tvec3<thalf>::tvec3
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(
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tvec2<A> const & v,
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B const & s
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) :
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x(thalf(v.x)),
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y(thalf(v.y)),
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z(thalf(s))
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{}
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template <typename A, typename B>
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inline tvec3<thalf>::tvec3
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(
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A const & s,
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tvec2<B> const & v
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) :
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x(thalf(s)),
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y(thalf(v.x)),
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z(thalf(v.y))
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{}
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template <typename U>
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inline tvec3<thalf>::tvec3
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(
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tvec3<U> const & v
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) :
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x(thalf(v.x)),
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y(thalf(v.y)),
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z(thalf(v.z))
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{}
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template <typename U>
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inline tvec3<thalf>::tvec3
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(
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tvec4<U> const & v
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) :
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x(thalf(v.x)),
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y(thalf(v.y)),
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z(thalf(v.z))
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{}
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//////////////////////////////////////
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// Unary arithmetic operators
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inline tvec3<thalf> & tvec3<thalf>::operator=
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(
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tvec3<thalf> const & v
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)
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{
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this->x = v.x;
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this->y = v.y;
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this->z = v.z;
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return *this;
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}
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inline tvec3<thalf> & tvec3<thalf>::operator+=
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(
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thalf const & s
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)
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{
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this->x += s;
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this->y += s;
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this->z += s;
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return *this;
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}
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inline tvec3<thalf> & tvec3<thalf>::operator+=
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(
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tvec3<thalf> const & v
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)
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{
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this->x += v.x;
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this->y += v.y;
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this->z += v.z;
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return *this;
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}
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inline tvec3<thalf> & tvec3<thalf>::operator-=
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(
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thalf const & s
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)
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{
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this->x -= s;
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this->y -= s;
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this->z -= s;
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return *this;
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}
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inline tvec3<thalf> & tvec3<thalf>::operator-=
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(
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tvec3<thalf> const & v
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)
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{
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this->x -= v.x;
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this->y -= v.y;
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this->z -= v.z;
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return *this;
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}
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inline tvec3<thalf> & tvec3<thalf>::operator*=
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(
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thalf const & s
|
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)
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{
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this->x *= s;
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this->y *= s;
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this->z *= s;
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return *this;
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}
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inline tvec3<thalf> & tvec3<thalf>::operator*=
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(
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tvec3<thalf> const & v
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)
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{
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this->x *= v.x;
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this->y *= v.y;
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this->z *= v.z;
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return *this;
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}
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inline tvec3<thalf> & tvec3<thalf>::operator/=
|
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(
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thalf const & s
|
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)
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{
|
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this->x /= s;
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this->y /= s;
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this->z /= s;
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return *this;
|
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}
|
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|
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inline tvec3<thalf> & tvec3<thalf>::operator/=
|
|
(
|
|
tvec3<thalf> const & v
|
|
)
|
|
{
|
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this->x /= v.x;
|
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this->y /= v.y;
|
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this->z /= v.z;
|
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return *this;
|
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}
|
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|
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inline tvec3<thalf> & tvec3<thalf>::operator++()
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{
|
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++this->x;
|
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++this->y;
|
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++this->z;
|
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return *this;
|
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}
|
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|
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inline tvec3<thalf> & tvec3<thalf>::operator--()
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{
|
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--this->x;
|
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--this->y;
|
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--this->z;
|
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return *this;
|
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}
|
|
|
|
//////////////////////////////////////
|
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// Swizzle operators
|
|
|
|
inline thalf tvec3<thalf>::swizzle(comp x) const
|
|
{
|
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return (*this)[x];
|
|
}
|
|
|
|
inline tvec2<thalf> tvec3<thalf>::swizzle(comp x, comp y) const
|
|
{
|
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return tvec2<thalf>(
|
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(*this)[x],
|
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(*this)[y]);
|
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}
|
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|
|
inline tvec3<thalf> tvec3<thalf>::swizzle(comp x, comp y, comp z) const
|
|
{
|
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return tvec3<thalf>(
|
|
(*this)[x],
|
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(*this)[y],
|
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(*this)[z]);
|
|
}
|
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|
|
inline tvec4<thalf> tvec3<thalf>::swizzle(comp x, comp y, comp z, comp w) const
|
|
{
|
|
return tvec4<thalf>(
|
|
(*this)[x],
|
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(*this)[y],
|
|
(*this)[z],
|
|
(*this)[w]);
|
|
}
|
|
|
|
inline tref3<thalf> tvec3<thalf>::swizzle(comp x, comp y, comp z)
|
|
{
|
|
return tref3<thalf>(
|
|
(*this)[x],
|
|
(*this)[y],
|
|
(*this)[z]);
|
|
}
|
|
|
|
//////////////////////////////////////
|
|
// hvec4
|
|
|
|
inline tvec4<thalf>::size_type tvec4<thalf>::value_size()
|
|
{
|
|
return 4;
|
|
}
|
|
|
|
//////////////////////////////////////
|
|
// Accesses
|
|
|
|
inline thalf & tvec4<thalf>::operator[]
|
|
(
|
|
tvec4<thalf>::size_type i
|
|
)
|
|
{
|
|
assert(/*i >= tvec4<thalf>::size_type(0) && */i < tvec4<thalf>::value_size());
|
|
|
|
return (&x)[i];
|
|
}
|
|
|
|
inline thalf const & tvec4<thalf>::operator[]
|
|
(
|
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tvec4<thalf>::size_type i
|
|
) const
|
|
{
|
|
assert(/*i >= tvec4<thalf>::size_type(0) && */i < tvec4<thalf>::value_size());
|
|
|
|
return (&x)[i];
|
|
}
|
|
|
|
//////////////////////////////////////
|
|
// Implicit basic constructors
|
|
|
|
inline tvec4<thalf>::tvec4() :
|
|
x(thalf(0)),
|
|
y(thalf(0)),
|
|
z(thalf(0)),
|
|
w(thalf(0))
|
|
{}
|
|
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
tvec4<thalf> const & v
|
|
) :
|
|
x(v.x),
|
|
y(v.y),
|
|
z(v.z),
|
|
w(v.w)
|
|
{}
|
|
|
|
//////////////////////////////////////
|
|
// Explicit basic constructors
|
|
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
thalf const & s
|
|
) :
|
|
x(s),
|
|
y(s),
|
|
z(s),
|
|
w(s)
|
|
{}
|
|
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
thalf const & s1,
|
|
thalf const & s2,
|
|
thalf const & s3,
|
|
thalf const & s4
|
|
) :
|
|
x(s1),
|
|
y(s2),
|
|
z(s3),
|
|
w(s4)
|
|
{}
|
|
|
|
//////////////////////////////////////
|
|
// Swizzle constructors
|
|
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
tref4<thalf> const & r
|
|
) :
|
|
x(r.x),
|
|
y(r.y),
|
|
z(r.z),
|
|
w(r.w)
|
|
{}
|
|
|
|
//////////////////////////////////////
|
|
// Convertion scalar constructors
|
|
|
|
template <typename U>
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
U const & x
|
|
) :
|
|
x(thalf(x)),
|
|
y(thalf(x)),
|
|
z(thalf(x)),
|
|
w(thalf(x))
|
|
{}
|
|
|
|
template <typename A, typename B, typename C, typename D>
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
A const & x,
|
|
B const & y,
|
|
C const & z,
|
|
D const & w
|
|
) :
|
|
x(thalf(x)),
|
|
y(thalf(y)),
|
|
z(thalf(z)),
|
|
w(thalf(w))
|
|
{}
|
|
|
|
//////////////////////////////////////
|
|
// Convertion vector constructors
|
|
|
|
template <typename A, typename B, typename C>
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
tvec2<A> const & v,
|
|
B const & s1,
|
|
C const & s2
|
|
) :
|
|
x(thalf(v.x)),
|
|
y(thalf(v.y)),
|
|
z(thalf(s1)),
|
|
w(thalf(s2))
|
|
{}
|
|
|
|
template <typename A, typename B, typename C>
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
A const & s1,
|
|
tvec2<B> const & v,
|
|
C const & s2
|
|
) :
|
|
x(thalf(s1)),
|
|
y(thalf(v.x)),
|
|
z(thalf(v.y)),
|
|
w(thalf(s2))
|
|
{}
|
|
|
|
template <typename A, typename B, typename C>
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
A const & s1,
|
|
B const & s2,
|
|
tvec2<C> const & v
|
|
) :
|
|
x(thalf(s1)),
|
|
y(thalf(s2)),
|
|
z(thalf(v.x)),
|
|
w(thalf(v.y))
|
|
{}
|
|
|
|
template <typename A, typename B>
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
tvec3<A> const & v,
|
|
B const & s
|
|
) :
|
|
x(thalf(v.x)),
|
|
y(thalf(v.y)),
|
|
z(thalf(v.z)),
|
|
w(thalf(s))
|
|
{}
|
|
|
|
template <typename A, typename B>
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
A const & s,
|
|
tvec3<B> const & v
|
|
) :
|
|
x(thalf(s)),
|
|
y(thalf(v.x)),
|
|
z(thalf(v.y)),
|
|
w(thalf(v.z))
|
|
{}
|
|
|
|
template <typename A, typename B>
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
tvec2<A> const & v1,
|
|
tvec2<B> const & v2
|
|
) :
|
|
x(thalf(v1.x)),
|
|
y(thalf(v1.y)),
|
|
z(thalf(v2.x)),
|
|
w(thalf(v2.y))
|
|
{}
|
|
|
|
template <typename U>
|
|
inline tvec4<thalf>::tvec4
|
|
(
|
|
tvec4<U> const & v
|
|
) :
|
|
x(thalf(v.x)),
|
|
y(thalf(v.y)),
|
|
z(thalf(v.z)),
|
|
w(thalf(v.w))
|
|
{}
|
|
|
|
//////////////////////////////////////
|
|
// Unary arithmetic operators
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator=
|
|
(
|
|
tvec4<thalf> const & v
|
|
)
|
|
{
|
|
this->x = v.x;
|
|
this->y = v.y;
|
|
this->z = v.z;
|
|
this->w = v.w;
|
|
return *this;
|
|
}
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator+=
|
|
(
|
|
thalf const & s
|
|
)
|
|
{
|
|
this->x += s;
|
|
this->y += s;
|
|
this->z += s;
|
|
this->w += s;
|
|
return *this;
|
|
}
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator+=
|
|
(
|
|
tvec4<thalf> const & v
|
|
)
|
|
{
|
|
this->x += v.x;
|
|
this->y += v.y;
|
|
this->z += v.z;
|
|
this->w += v.w;
|
|
return *this;
|
|
}
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator-=
|
|
(
|
|
thalf const & s
|
|
)
|
|
{
|
|
this->x -= s;
|
|
this->y -= s;
|
|
this->z -= s;
|
|
this->w -= s;
|
|
return *this;
|
|
}
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator-=
|
|
(
|
|
tvec4<thalf> const & v
|
|
)
|
|
{
|
|
this->x -= v.x;
|
|
this->y -= v.y;
|
|
this->z -= v.z;
|
|
this->w -= v.w;
|
|
return *this;
|
|
}
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator*=
|
|
(
|
|
thalf const & s
|
|
)
|
|
{
|
|
this->x *= s;
|
|
this->y *= s;
|
|
this->z *= s;
|
|
this->w *= s;
|
|
return *this;
|
|
}
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator*=
|
|
(
|
|
tvec4<thalf> const & v
|
|
)
|
|
{
|
|
this->x *= v.x;
|
|
this->y *= v.y;
|
|
this->z *= v.z;
|
|
this->w *= v.w;
|
|
return *this;
|
|
}
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator/=
|
|
(
|
|
thalf const & s
|
|
)
|
|
{
|
|
this->x /= s;
|
|
this->y /= s;
|
|
this->z /= s;
|
|
this->w /= s;
|
|
return *this;
|
|
}
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator/=
|
|
(
|
|
tvec4<thalf> const & v
|
|
)
|
|
{
|
|
this->x /= v.x;
|
|
this->y /= v.y;
|
|
this->z /= v.z;
|
|
this->w /= v.w;
|
|
return *this;
|
|
}
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator++()
|
|
{
|
|
++this->x;
|
|
++this->y;
|
|
++this->z;
|
|
++this->w;
|
|
return *this;
|
|
}
|
|
|
|
inline tvec4<thalf>& tvec4<thalf>::operator--()
|
|
{
|
|
--this->x;
|
|
--this->y;
|
|
--this->z;
|
|
--this->w;
|
|
return *this;
|
|
}
|
|
|
|
//////////////////////////////////////
|
|
// Swizzle operators
|
|
|
|
inline thalf tvec4<thalf>::swizzle(comp x) const
|
|
{
|
|
return (*this)[x];
|
|
}
|
|
|
|
inline tvec2<thalf> tvec4<thalf>::swizzle(comp x, comp y) const
|
|
{
|
|
return tvec2<thalf>(
|
|
(*this)[x],
|
|
(*this)[y]);
|
|
}
|
|
|
|
inline tvec3<thalf> tvec4<thalf>::swizzle(comp x, comp y, comp z) const
|
|
{
|
|
return tvec3<thalf>(
|
|
(*this)[x],
|
|
(*this)[y],
|
|
(*this)[z]);
|
|
}
|
|
|
|
inline tvec4<thalf> tvec4<thalf>::swizzle(comp x, comp y, comp z, comp w) const
|
|
{
|
|
return tvec4<thalf>(
|
|
(*this)[x],
|
|
(*this)[y],
|
|
(*this)[z],
|
|
(*this)[w]);
|
|
}
|
|
|
|
inline tref4<thalf> tvec4<thalf>::swizzle(comp x, comp y, comp z, comp w)
|
|
{
|
|
return tref4<thalf>(
|
|
(*this)[x],
|
|
(*this)[y],
|
|
(*this)[z],
|
|
(*this)[w]);
|
|
}
|
|
|
|
#endif//_MSC_EXTENSIONS
|
|
|
|
}//namespace detail
|
|
}//namespace glm
|