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(0.99999999999980993 + \frac{676.520368121885099}{\left(z - 1\right) + 1}\right) + \frac{-1259.13921672240281}{\left(z - 1\right) + 2}\right) + \frac{771.32342877765313}{\left(z - 1\right) + 3}\right) + \frac{-176.615029162140587}{\left(z - 1\right) + 4}\right) + \frac{12.5073432786869052}{\left(z - 1\right) + 5}\right) + \frac{-0.138571095265720118}{\left(z - 1\right) + 6}\right) + \frac{9.98436957801957158 \cdot 10^{-6}}{\left(z - 1\right) + 7}\right) + \frac{1.50563273514931162 \cdot 10^{-7}}{\left(z - 1\right) + 8}\right)double f(double z) {
double r179649 = atan2(1.0, 0.0);
double r179650 = 2.0;
double r179651 = r179649 * r179650;
double r179652 = sqrt(r179651);
double r179653 = z;
double r179654 = 1.0;
double r179655 = r179653 - r179654;
double r179656 = 7.0;
double r179657 = r179655 + r179656;
double r179658 = 0.5;
double r179659 = r179657 + r179658;
double r179660 = r179655 + r179658;
double r179661 = pow(r179659, r179660);
double r179662 = r179652 * r179661;
double r179663 = -r179659;
double r179664 = exp(r179663);
double r179665 = r179662 * r179664;
double r179666 = 0.9999999999998099;
double r179667 = 676.5203681218851;
double r179668 = r179655 + r179654;
double r179669 = r179667 / r179668;
double r179670 = r179666 + r179669;
double r179671 = -1259.1392167224028;
double r179672 = r179655 + r179650;
double r179673 = r179671 / r179672;
double r179674 = r179670 + r179673;
double r179675 = 771.3234287776531;
double r179676 = 3.0;
double r179677 = r179655 + r179676;
double r179678 = r179675 / r179677;
double r179679 = r179674 + r179678;
double r179680 = -176.6150291621406;
double r179681 = 4.0;
double r179682 = r179655 + r179681;
double r179683 = r179680 / r179682;
double r179684 = r179679 + r179683;
double r179685 = 12.507343278686905;
double r179686 = 5.0;
double r179687 = r179655 + r179686;
double r179688 = r179685 / r179687;
double r179689 = r179684 + r179688;
double r179690 = -0.13857109526572012;
double r179691 = 6.0;
double r179692 = r179655 + r179691;
double r179693 = r179690 / r179692;
double r179694 = r179689 + r179693;
double r179695 = 9.984369578019572e-06;
double r179696 = r179695 / r179657;
double r179697 = r179694 + r179696;
double r179698 = 1.5056327351493116e-07;
double r179699 = 8.0;
double r179700 = r179655 + r179699;
double r179701 = r179698 / r179700;
double r179702 = r179697 + r179701;
double r179703 = r179665 * r179702;
return r179703;
}
herbie shell --seed 2020003 +o rules:numerics
(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)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 (+ (- z 1) 1))) (/ -1259.1392167224028 (+ (- z 1) 2))) (/ 771.3234287776531 (+ (- z 1) 3))) (/ -176.6150291621406 (+ (- z 1) 4))) (/ 12.507343278686905 (+ (- z 1) 5))) (/ -0.13857109526572012 (+ (- z 1) 6))) (/ 9.984369578019572e-06 (+ (- z 1) 7))) (/ 1.5056327351493116e-07 (+ (- z 1) 8)))))