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 r130530 = atan2(1.0, 0.0);
double r130531 = 2.0;
double r130532 = r130530 * r130531;
double r130533 = sqrt(r130532);
double r130534 = z;
double r130535 = 1.0;
double r130536 = r130534 - r130535;
double r130537 = 7.0;
double r130538 = r130536 + r130537;
double r130539 = 0.5;
double r130540 = r130538 + r130539;
double r130541 = r130536 + r130539;
double r130542 = pow(r130540, r130541);
double r130543 = r130533 * r130542;
double r130544 = -r130540;
double r130545 = exp(r130544);
double r130546 = r130543 * r130545;
double r130547 = 0.9999999999998099;
double r130548 = 676.5203681218851;
double r130549 = r130536 + r130535;
double r130550 = r130548 / r130549;
double r130551 = r130547 + r130550;
double r130552 = -1259.1392167224028;
double r130553 = r130536 + r130531;
double r130554 = r130552 / r130553;
double r130555 = r130551 + r130554;
double r130556 = 771.3234287776531;
double r130557 = 3.0;
double r130558 = r130536 + r130557;
double r130559 = r130556 / r130558;
double r130560 = r130555 + r130559;
double r130561 = -176.6150291621406;
double r130562 = 4.0;
double r130563 = r130536 + r130562;
double r130564 = r130561 / r130563;
double r130565 = r130560 + r130564;
double r130566 = 12.507343278686905;
double r130567 = 5.0;
double r130568 = r130536 + r130567;
double r130569 = r130566 / r130568;
double r130570 = r130565 + r130569;
double r130571 = -0.13857109526572012;
double r130572 = 6.0;
double r130573 = r130536 + r130572;
double r130574 = r130571 / r130573;
double r130575 = r130570 + r130574;
double r130576 = 9.984369578019572e-06;
double r130577 = r130576 / r130538;
double r130578 = r130575 + r130577;
double r130579 = 1.5056327351493116e-07;
double r130580 = 8.0;
double r130581 = r130536 + r130580;
double r130582 = r130579 / r130581;
double r130583 = r130578 + r130582;
double r130584 = r130546 * r130583;
return r130584;
}
herbie shell --seed 2020020 +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)))))