Cannot sample enough valid points. (more)

\[\tan^{-1}_* \frac{\sin \left(\lambda_1 - \lambda_2\right) \cdot \cos \phi_2}{\cos \phi_1 \cdot \sin \phi_2 - \left(\sin \phi_1 \cdot \cos \phi_2\right) \cdot \cos \left(\lambda_1 - \lambda_2\right)}\]
\tan^{-1}_* \frac{\sin \left(\lambda_1 - \lambda_2\right) \cdot \cos \phi_2}{\cos \phi_1 \cdot \sin \phi_2 - \left(\sin \phi_1 \cdot \cos \phi_2\right) \cdot \cos \left(\lambda_1 - \lambda_2\right)}
double f(double lambda1, double lambda2, double phi1, double phi2) {
        double r3535406 = lambda1;
        double r3535407 = lambda2;
        double r3535408 = r3535406 - r3535407;
        double r3535409 = sin(r3535408);
        double r3535410 = phi2;
        double r3535411 = cos(r3535410);
        double r3535412 = r3535409 * r3535411;
        double r3535413 = phi1;
        double r3535414 = cos(r3535413);
        double r3535415 = sin(r3535410);
        double r3535416 = r3535414 * r3535415;
        double r3535417 = sin(r3535413);
        double r3535418 = r3535417 * r3535411;
        double r3535419 = cos(r3535408);
        double r3535420 = r3535418 * r3535419;
        double r3535421 = r3535416 - r3535420;
        double r3535422 = atan2(r3535412, r3535421);
        return r3535422;
}