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 r7030001 = lambda1;
double r7030002 = theta;
double r7030003 = sin(r7030002);
double r7030004 = delta;
double r7030005 = sin(r7030004);
double r7030006 = r7030003 * r7030005;
double r7030007 = phi1;
double r7030008 = cos(r7030007);
double r7030009 = r7030006 * r7030008;
double r7030010 = cos(r7030004);
double r7030011 = sin(r7030007);
double r7030012 = r7030011 * r7030010;
double r7030013 = r7030008 * r7030005;
double r7030014 = cos(r7030002);
double r7030015 = r7030013 * r7030014;
double r7030016 = r7030012 + r7030015;
double r7030017 = asin(r7030016);
double r7030018 = sin(r7030017);
double r7030019 = r7030011 * r7030018;
double r7030020 = r7030010 - r7030019;
double r7030021 = atan2(r7030009, r7030020);
double r7030022 = r7030001 + r7030021;
return r7030022;
}
herbie shell --seed 2019112
(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))))))))))