spheroid_mu2()

static double spheroid_mu2 ( double  alpha, const SPHEROID *  s  )

static

Definition at line 49 of file lwspheroid.c.

References SPHEROID::a, SPHEROID::b, and POW2.

Referenced by spheroid_distance(), and spheroid_project().

{
        double b2 = POW2(s->b);
        return POW2(cos(alpha)) * (POW2(s->a) - b2) / b2;
}

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