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 r146528 = atan2(1.0, 0.0);
double r146529 = 2.0;
double r146530 = r146528 * r146529;
double r146531 = sqrt(r146530);
double r146532 = z;
double r146533 = 1.0;
double r146534 = r146532 - r146533;
double r146535 = 7.0;
double r146536 = r146534 + r146535;
double r146537 = 0.5;
double r146538 = r146536 + r146537;
double r146539 = r146534 + r146537;
double r146540 = pow(r146538, r146539);
double r146541 = r146531 * r146540;
double r146542 = -r146538;
double r146543 = exp(r146542);
double r146544 = r146541 * r146543;
double r146545 = 0.9999999999998099;
double r146546 = 676.5203681218851;
double r146547 = r146534 + r146533;
double r146548 = r146546 / r146547;
double r146549 = r146545 + r146548;
double r146550 = -1259.1392167224028;
double r146551 = r146534 + r146529;
double r146552 = r146550 / r146551;
double r146553 = r146549 + r146552;
double r146554 = 771.3234287776531;
double r146555 = 3.0;
double r146556 = r146534 + r146555;
double r146557 = r146554 / r146556;
double r146558 = r146553 + r146557;
double r146559 = -176.6150291621406;
double r146560 = 4.0;
double r146561 = r146534 + r146560;
double r146562 = r146559 / r146561;
double r146563 = r146558 + r146562;
double r146564 = 12.507343278686905;
double r146565 = 5.0;
double r146566 = r146534 + r146565;
double r146567 = r146564 / r146566;
double r146568 = r146563 + r146567;
double r146569 = -0.13857109526572012;
double r146570 = 6.0;
double r146571 = r146534 + r146570;
double r146572 = r146569 / r146571;
double r146573 = r146568 + r146572;
double r146574 = 9.984369578019572e-06;
double r146575 = r146574 / r146536;
double r146576 = r146573 + r146575;
double r146577 = 1.5056327351493116e-07;
double r146578 = 8.0;
double r146579 = r146534 + r146578;
double r146580 = r146577 / r146579;
double r146581 = r146576 + r146580;
double r146582 = r146544 * r146581;
return r146582;
}
herbie shell --seed 2020039 +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)))))