Use the --timeout flag to change the timeout.
\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 r5779663 = lambda1;
double r5779664 = theta;
double r5779665 = sin(r5779664);
double r5779666 = delta;
double r5779667 = sin(r5779666);
double r5779668 = r5779665 * r5779667;
double r5779669 = phi1;
double r5779670 = cos(r5779669);
double r5779671 = r5779668 * r5779670;
double r5779672 = cos(r5779666);
double r5779673 = sin(r5779669);
double r5779674 = r5779673 * r5779672;
double r5779675 = r5779670 * r5779667;
double r5779676 = cos(r5779664);
double r5779677 = r5779675 * r5779676;
double r5779678 = r5779674 + r5779677;
double r5779679 = asin(r5779678);
double r5779680 = sin(r5779679);
double r5779681 = r5779673 * r5779680;
double r5779682 = r5779672 - r5779681;
double r5779683 = atan2(r5779671, r5779682);
double r5779684 = r5779663 + r5779683;
return r5779684;
}
herbie shell --seed 2019120 +o rules:numerics
(FPCore (lambda1 phi1 phi2 delta theta)
:name "Destination given bearing on a great circle"
(+ lambda1 (atan2 (* (* (sin theta) (sin delta)) (cos phi1)) (- (cos delta) (* (sin phi1) (sin (asin (+ (* (sin phi1) (cos delta)) (* (* (cos phi1) (sin delta)) (cos theta))))))))))