Four-Dimensional Rational Points



 
typedef struct RationalPoint4D {

    Float32                         x;

    Float32                         y;

    Float32                         z;

    Float32                         w;

} RationalPoint4D;



 
typedef struct DRationalPoint4D {

    Float64                         x;

    Float64                         y;

    Float64                         z;

    Float64                         w;

} DRationalPoint4D;

Three- and four-dimensional points are used to represent two- and three-dimensional points respectively in homogeneous coordinate systems.

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