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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© 1997 Apple Computer, Inc.

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