Use the --timeout flag to change the timeout.
\left(\left(\sqrt{\pi \cdot 2} \cdot {\left(\left(\left(z - 1\right) + 7\right) + 0.5\right)}^{\left(\left(z - 1\right) + 0.5\right)}\right) \cdot e^{-\left(\left(\left(z - 1\right) + 7\right) + 0.5\right)}\right) \cdot \left(\left(\left(\left(\left(\left(\left(\left(0.9999999999998099298181841732002794742584 + \frac{676.5203681218850988443591631948947906494}{\left(z - 1\right) + 1}\right) + \frac{-1259.139216722402807135949842631816864014}{\left(z - 1\right) + 2}\right) + \frac{771.3234287776531346025876700878143310547}{\left(z - 1\right) + 3}\right) + \frac{-176.6150291621405870046146446838974952698}{\left(z - 1\right) + 4}\right) + \frac{12.50734327868690520801919774385169148445}{\left(z - 1\right) + 5}\right) + \frac{-0.1385710952657201178173096423051902092993}{\left(z - 1\right) + 6}\right) + \frac{9.984369578019571583242346146658263705831 \cdot 10^{-6}}{\left(z - 1\right) + 7}\right) + \frac{1.505632735149311617592788074479481785772 \cdot 10^{-7}}{\left(z - 1\right) + 8}\right)double f(double z) {
double r51631 = atan2(1.0, 0.0);
double r51632 = 2.0;
double r51633 = r51631 * r51632;
double r51634 = sqrt(r51633);
double r51635 = z;
double r51636 = 1.0;
double r51637 = r51635 - r51636;
double r51638 = 7.0;
double r51639 = r51637 + r51638;
double r51640 = 0.5;
double r51641 = r51639 + r51640;
double r51642 = r51637 + r51640;
double r51643 = pow(r51641, r51642);
double r51644 = r51634 * r51643;
double r51645 = -r51641;
double r51646 = exp(r51645);
double r51647 = r51644 * r51646;
double r51648 = 0.9999999999998099;
double r51649 = 676.5203681218851;
double r51650 = r51637 + r51636;
double r51651 = r51649 / r51650;
double r51652 = r51648 + r51651;
double r51653 = -1259.1392167224028;
double r51654 = r51637 + r51632;
double r51655 = r51653 / r51654;
double r51656 = r51652 + r51655;
double r51657 = 771.3234287776531;
double r51658 = 3.0;
double r51659 = r51637 + r51658;
double r51660 = r51657 / r51659;
double r51661 = r51656 + r51660;
double r51662 = -176.6150291621406;
double r51663 = 4.0;
double r51664 = r51637 + r51663;
double r51665 = r51662 / r51664;
double r51666 = r51661 + r51665;
double r51667 = 12.507343278686905;
double r51668 = 5.0;
double r51669 = r51637 + r51668;
double r51670 = r51667 / r51669;
double r51671 = r51666 + r51670;
double r51672 = -0.13857109526572012;
double r51673 = 6.0;
double r51674 = r51637 + r51673;
double r51675 = r51672 / r51674;
double r51676 = r51671 + r51675;
double r51677 = 9.984369578019572e-06;
double r51678 = r51677 / r51639;
double r51679 = r51676 + r51678;
double r51680 = 1.5056327351493116e-07;
double r51681 = 8.0;
double r51682 = r51637 + r51681;
double r51683 = r51680 / r51682;
double r51684 = r51679 + r51683;
double r51685 = r51647 * r51684;
return r51685;
}
herbie shell --seed 2019304
(FPCore (z)
:name "Jmat.Real.gamma, branch z greater than 0.5"
:precision binary64
(* (* (* (sqrt (* PI 2)) (pow (+ (+ (- z 1) 7) 0.5) (+ (- z 1) 0.5))) (exp (- (+ (+ (- z 1) 7) 0.5)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.99999999999980993 (/ 676.520368121885099 (+ (- z 1) 1))) (/ -1259.13921672240281 (+ (- z 1) 2))) (/ 771.32342877765313 (+ (- z 1) 3))) (/ -176.615029162140587 (+ (- z 1) 4))) (/ 12.5073432786869052 (+ (- z 1) 5))) (/ -0.138571095265720118 (+ (- z 1) 6))) (/ 9.98436957801957158e-6 (+ (- z 1) 7))) (/ 1.50563273514931162e-7 (+ (- z 1) 8)))))