QuadWord.h

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans  http://continuousphysics.com/Bullet/

This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose, 
including commercial applications, and to alter it and redistribute it freely, 
subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/


#ifndef TF_QUADWORD_H
#define TF_QUADWORD_H

#include "Scalar.h"
#include "MinMax.h"


#if defined (__CELLOS_LV2) && defined (__SPU__)
#include <altivec.h>
#endif


namespace tf
{
#ifndef USE_LIBSPE2
ATTRIBUTE_ALIGNED16(class) QuadWord
#else
class QuadWord
#endif
{
protected:

#if defined (__SPU__) && defined (__CELLOS_LV2__)
        union {
                vec_float4 mVec128;
                tfScalar        m_floats[4];
        };
public:
        vec_float4      get128() const
        {
                return mVec128;
        }
protected:
#else //__CELLOS_LV2__ __SPU__
        tfScalar        m_floats[4];
#endif //__CELLOS_LV2__ __SPU__

        public:
  

                TFSIMD_FORCE_INLINE const tfScalar& getX() const { return m_floats[0]; }
                TFSIMD_FORCE_INLINE const tfScalar& getY() const { return m_floats[1]; }
                TFSIMD_FORCE_INLINE const tfScalar& getZ() const { return m_floats[2]; }
                TFSIMD_FORCE_INLINE void        setX(tfScalar x) { m_floats[0] = x;};
                TFSIMD_FORCE_INLINE void        setY(tfScalar y) { m_floats[1] = y;};
                TFSIMD_FORCE_INLINE void        setZ(tfScalar z) { m_floats[2] = z;};
                TFSIMD_FORCE_INLINE void        setW(tfScalar w) { m_floats[3] = w;};
                TFSIMD_FORCE_INLINE const tfScalar& x() const { return m_floats[0]; }
                TFSIMD_FORCE_INLINE const tfScalar& y() const { return m_floats[1]; }
                TFSIMD_FORCE_INLINE const tfScalar& z() const { return m_floats[2]; }
                TFSIMD_FORCE_INLINE const tfScalar& w() const { return m_floats[3]; }

        //TFSIMD_FORCE_INLINE tfScalar&       operator[](int i)       { return (&m_floats[0])[i];       }      
        //TFSIMD_FORCE_INLINE const tfScalar& operator[](int i) const { return (&m_floats[0])[i]; }
        TFSIMD_FORCE_INLINE     operator       tfScalar *()       { return &m_floats[0]; }
        TFSIMD_FORCE_INLINE     operator const tfScalar *() const { return &m_floats[0]; }

        TFSIMD_FORCE_INLINE     bool    operator==(const QuadWord& other) const
        {
                return ((m_floats[3]==other.m_floats[3]) && (m_floats[2]==other.m_floats[2]) && (m_floats[1]==other.m_floats[1]) && (m_floats[0]==other.m_floats[0]));
        }

        TFSIMD_FORCE_INLINE     bool    operator!=(const QuadWord& other) const
        {
                return !(*this == other);
        }

                TFSIMD_FORCE_INLINE void        setValue(const tfScalar& x, const tfScalar& y, const tfScalar& z)
                {
                        m_floats[0]=x;
                        m_floats[1]=y;
                        m_floats[2]=z;
                        m_floats[3] = 0.f;
                }

/*              void getValue(tfScalar *m) const 
                {
                        m[0] = m_floats[0];
                        m[1] = m_floats[1];
                        m[2] = m_floats[2];
                }
*/
                TFSIMD_FORCE_INLINE void        setValue(const tfScalar& x, const tfScalar& y, const tfScalar& z,const tfScalar& w)
                {
                        m_floats[0]=x;
                        m_floats[1]=y;
                        m_floats[2]=z;
                        m_floats[3]=w;
                }
                TFSIMD_FORCE_INLINE QuadWord()
                //      :m_floats[0](tfScalar(0.)),m_floats[1](tfScalar(0.)),m_floats[2](tfScalar(0.)),m_floats[3](tfScalar(0.))
                {
                }
 
                TFSIMD_FORCE_INLINE QuadWord(const tfScalar& x, const tfScalar& y, const tfScalar& z)           
                {
                        m_floats[0] = x, m_floats[1] = y, m_floats[2] = z, m_floats[3] = 0.0f;
                }

                TFSIMD_FORCE_INLINE QuadWord(const tfScalar& x, const tfScalar& y, const tfScalar& z,const tfScalar& w) 
                {
                        m_floats[0] = x, m_floats[1] = y, m_floats[2] = z, m_floats[3] = w;
                }

                TFSIMD_FORCE_INLINE void        setMax(const QuadWord& other)
                {
                        tfSetMax(m_floats[0], other.m_floats[0]);
                        tfSetMax(m_floats[1], other.m_floats[1]);
                        tfSetMax(m_floats[2], other.m_floats[2]);
                        tfSetMax(m_floats[3], other.m_floats[3]);
                }
                TFSIMD_FORCE_INLINE void        setMin(const QuadWord& other)
                {
                        tfSetMin(m_floats[0], other.m_floats[0]);
                        tfSetMin(m_floats[1], other.m_floats[1]);
                        tfSetMin(m_floats[2], other.m_floats[2]);
                        tfSetMin(m_floats[3], other.m_floats[3]);
                }



};

}

#endif //TFSIMD_QUADWORD_H