Vec2.inl

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/*

Copyright (c) 2014, Dr Franck P. Vidal (franck.p.vidal@fpvidal.net),
http://www.fpvidal.net/
All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.

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this list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.

3. Neither the name of the Bangor University nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.

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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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*/


//******************************************************************************
//  namespace
//******************************************************************************
namespace gVirtualXRay {


//-----------------------------------------------------------
template<typename T> Vec2<T>::Vec2(const T& aX, const T& aY):
//-----------------------------------------------------------
    m_x(aX),
    m_y(aY)
//-----------------------------------------------------------
{}


//------------------------------------------------------
template<typename T> void Vec2<T>::setX(const T& aValue)
//------------------------------------------------------
{
    m_x = aValue;
}


//------------------------------------------------------
template<typename T> void Vec2<T>::setY(const T& aValue)
//------------------------------------------------------
{
    m_y = aValue;
}


//-------------------------------------------
 template<typename T> T Vec2<T>::getX() const
//-------------------------------------------
{
    return (m_x);
}


//-------------------------------------------
 template<typename T> T Vec2<T>::getY() const
//-------------------------------------------
{
    return (m_y);
}


//--------------------------------------------------
template<typename T> double Vec2<T>::length() const
//--------------------------------------------------
{
    return (sqrt(m_x * m_x + m_y * m_y));
}


//---------------------------------------------------
template<typename T> Vec2<T> Vec2<T>::normal() const
//---------------------------------------------------
{
    return (Vec2(m_x, m_y) / length());
}


//---------------------------------------------
template<typename T> void Vec2<T>::normalize()
//---------------------------------------------
{
    double vector_length(length());
    m_x /= vector_length;
    m_y /= vector_length;
}


//---------------------------------------------
template<typename T> void Vec2<T>::normalise()
//---------------------------------------------
{
    return (normalize());
}


//------------------------------------------------------------------------
template<typename T> double Vec2<T>::dotProduct(const Vec2& aVector) const
//------------------------------------------------------------------------
{
    return (m_x * aVector.m_x + m_y * aVector.m_y);
}


//----------------------------------------------------------------------
template<typename T> double Vec2<T>::distance(const Vec2& aVector) const
//----------------------------------------------------------------------
{
    return (sqrt(
            pow(m_x - aVector.m_x, 2.0) +
            pow(m_y - aVector.m_y, 2.0))
    );
}



//-----------------------------------------------------------------------------
template<typename T> const Vec2<T> Vec2<T>::operator+(const Vec2& aValue) const
//-----------------------------------------------------------------------------
{
    return (Vec2(m_x + aValue.m_x, m_y + aValue.m_y));
}


//--------------------------------------------------------------------
 template<typename T> Vec2<T>& Vec2<T>::operator+=(const Vec2& aValue)
//--------------------------------------------------------------------
{
    m_x += aValue.m_x;
    m_y += aValue.m_y;

    return (*this);
}


//-----------------------------------------------------------------------------
template<typename T> const Vec2<T> Vec2<T>::operator-(const Vec2& aValue) const
//-----------------------------------------------------------------------------
{
    return (Vec2(m_x - aValue.m_x, m_y - aValue.m_y));
}


//-------------------------------------------------------------------
template<typename T> Vec2<T>& Vec2<T>::operator-=(const Vec2& aValue)
//-------------------------------------------------------------------
{
    m_x -= aValue.m_x;
    m_y -= aValue.m_y;

    return (*this);
}


//-------------------------------------------------------------------------------
template<typename T> const Vec2<T> Vec2<T>::operator*(const double& aValue) const
//-------------------------------------------------------------------------------
{
    return (Vec2(m_x * aValue, m_y * aValue));
}


//---------------------------------------------------------------------
template<typename T> Vec2<T>& Vec2<T>::operator*=(const double& aValue)
//---------------------------------------------------------------------
{
    m_x *= aValue;
    m_y *= aValue;

    return (*this);
}


//------------------------------------------------------------------------------
template<typename T> const Vec2<T> Vec2<T>::operator*(const float& aValue) const
//------------------------------------------------------------------------------
{
    return (Vec2(m_x * aValue, m_y * aValue));
}


//--------------------------------------------------------------------
template<typename T> Vec2<T>& Vec2<T>::operator*=(const float& aValue)
//--------------------------------------------------------------------
{
    m_x *= aValue;
    m_y *= aValue;

    return (*this);
}


//-------------------------------------------------------------------------------
template<typename T> const Vec2<T> Vec2<T>::operator/(const double& aValue) const
//-------------------------------------------------------------------------------
{
    return (Vec2(m_x / aValue, m_y / aValue));
}


//---------------------------------------------------------------------
template<typename T> Vec2<T>& Vec2<T>::operator/=(const double& aValue)
//---------------------------------------------------------------------
{
    m_x /= aValue;
    m_y /= aValue;

    return (*this);
}


//------------------------------------------------------------------------------
template<typename T> const Vec2<T> Vec2<T>::operator/(const float& aValue) const
//------------------------------------------------------------------------------
{
    return (Vec2(m_x / aValue, m_y / aValue));
}


//--------------------------------------------------------------------
template<typename T> Vec2<T>& Vec2<T>::operator/=(const float& aValue)
//--------------------------------------------------------------------
{
    m_x /= aValue;
    m_y /= aValue;

    return (*this);
}


//-----------------------------------------------------------
template<typename T> const Vec2<T> Vec2<T>::operator-() const
//-----------------------------------------------------------
{
    return (Vec2(-m_x, -m_y));
}


//---------------------------------------------------------
template<typename T> T& Vec2<T>::operator()(unsigned int i)
//---------------------------------------------------------
{
    if (i == 0)
        {
        return (m_x);
        }
    else if (i == 1)
        {
        return (m_y);
        }
    else
        {
        throw OutOfBoundsException(__FILE__, __FUNCTION__, __LINE__);
        }
}


//---------------------------------------------------------------------
template<typename T> const T& Vec2<T>::operator()(unsigned int i) const
//---------------------------------------------------------------------
{
    if (i == 0)
        {
        return (m_x);
        }
    else if (i == 1)
        {
        return (m_y);
        }
    else
        {
        throw OutOfBoundsException(__FILE__, __FUNCTION__, __LINE__);
        }
}


//---------------------------------------------------------
template<typename T> T& Vec2<T>::operator[](unsigned int i)
//---------------------------------------------------------
{
    if (i == 0)
        {
        return (m_x);
        }
    else if (i == 1)
        {
        return (m_y);
        }
    else
        {
        throw OutOfBoundsException(__FILE__, __FUNCTION__, __LINE__);
        }
}


//---------------------------------------------------------------------
template<typename T> const T& Vec2<T>::operator[](unsigned int i) const
//---------------------------------------------------------------------
{
    if (i == 0)
        {
        return (m_x);
        }
    else if (i == 1)
        {
        return (m_y);
        }
    else
        {
        throw OutOfBoundsException(__FILE__, __FUNCTION__, __LINE__);
        }
}


//--------------------------------------------------------------------------
template <typename T> std::ostream& operator<<(std::ostream& anOutputStream,
                                               const Vec2<T>& aVector)
//--------------------------------------------------------------------------
{
    anOutputStream << aVector.getX() << ", " << aVector.getY();
    return (anOutputStream);
}


} // namespace gVirtualXRay