distance3d_sqr_pt4d_pt4d()

static double distance3d_sqr_pt4d_pt4d ( const POINT4D *  p1, const POINT4D *  p2  )

inlinestatic

Definition at line 31 of file lwkmeans.c.

{
        double hside = p2->x - p1->x;
        double vside = p2->y - p1->y;
        double zside = p2->z - p1->z;
 
        return hside * hside + vside * vside + zside * zside;
}

References POINT4D::x, POINT4D::y, and POINT4D::z.

Referenced by kmeans_init(), and update_r().

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