g3d_Vector4.h

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#ifndef NW_G3D_MATH_VECTOR4_H_
#define NW_G3D_MATH_VECTOR4_H_
 
#include <nw/g3d/g3d_config.h>
 
namespace nw { namespace g3d { namespace math {
 
struct Vec4_t
{
    enum { DIM = 4, DIM_PS = DIM / 2 };
 
    union
    {
        struct
        {
            float x, y, z, w;
        };
        float a[DIM];
#if defined( __ghs__ )
        f32x2 ps[DIM_PS];
#endif // defined( __ghs__ )
    };
};
 
class Vec4 : public Vec4_t
{
public:
    static Vec4 Make(float x, float y, float z, float w);
    static Vec4* Cast(float* a);
    static const Vec4* Cast(const float* a);
 
    Vec4& Set(float x, float y, float z, float w);
    Vec4& Set(const float* a);
    Vec4& Set(const Vec4& v);
    Vec4& Zero();
    Vec4& Neg(const Vec4& v);
    Vec4& Rcp(const Vec4& v);
 
    Vec4& Add(const Vec4& lhs, const Vec4& rhs);
    Vec4& Sub(const Vec4& lhs, const Vec4& rhs);
    Vec4& Mul(const Vec4& lhs, const Vec4& rhs);
    Vec4& Div(const Vec4& lhs, const Vec4& rhs);
    Vec4& Mul(const Vec4& lhs, float rhs);
    Vec4& Div(const Vec4& lhs, float rhs);
 
    static float Length(const Vec4& v);
    static float LengthSq(const Vec4& v);
    static float Distance(const Vec4& lhs, const Vec4& rhs);
    static float DistanceSq(const Vec4& lhs, const Vec4& rhs);
    static float Dot(const Vec4& lhs, const Vec4& rhs);
    float Normalize(const Vec4& v);
};
 
} } } // namespace nw::g3d::math
 
#include "inl/g3d_Vector4-inl.h"
 
#endif // NW_G3D_MATH_VECTOR4_H_