Cannot sample enough valid points. (more)

\[\lambda_1 + \tan^{-1}_* \frac{\left(\sin theta \cdot \sin delta\right) \cdot \cos \phi_1}{\cos delta - \sin \phi_1 \cdot \sin \left(\sin^{-1} \left(\sin \phi_1 \cdot \cos delta + \left(\cos \phi_1 \cdot \sin delta\right) \cdot \cos theta\right)\right)}\]
\lambda_1 + \tan^{-1}_* \frac{\left(\sin theta \cdot \sin delta\right) \cdot \cos \phi_1}{\cos delta - \sin \phi_1 \cdot \sin \left(\sin^{-1} \left(\sin \phi_1 \cdot \cos delta + \left(\cos \phi_1 \cdot \sin delta\right) \cdot \cos theta\right)\right)}
double f(double lambda1, double phi1, double __attribute__((unused)) phi2, double delta, double theta) {
        double r5614123 = lambda1;
        double r5614124 = theta;
        double r5614125 = sin(r5614124);
        double r5614126 = delta;
        double r5614127 = sin(r5614126);
        double r5614128 = r5614125 * r5614127;
        double r5614129 = phi1;
        double r5614130 = cos(r5614129);
        double r5614131 = r5614128 * r5614130;
        double r5614132 = cos(r5614126);
        double r5614133 = sin(r5614129);
        double r5614134 = r5614133 * r5614132;
        double r5614135 = r5614130 * r5614127;
        double r5614136 = cos(r5614124);
        double r5614137 = r5614135 * r5614136;
        double r5614138 = r5614134 + r5614137;
        double r5614139 = asin(r5614138);
        double r5614140 = sin(r5614139);
        double r5614141 = r5614133 * r5614140;
        double r5614142 = r5614132 - r5614141;
        double r5614143 = atan2(r5614131, r5614142);
        double r5614144 = r5614123 + r5614143;
        return r5614144;
}