mu2()

double mu2	(	double	azimuth,
		SPHEROID *	sphere
	)

Definition at line 168 of file lwgeom_spheroid.c.

{
        double    e2;
 
        e2 = sqrt(sphere->a*sphere->a-sphere->b*sphere->b)/sphere->b;
        return cos(azimuth)*cos(azimuth) * e2*e2;
}

References SPHEROID::a, and SPHEROID::b.

Referenced by distance_ellipse_calculation().

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