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 r202022 = atan2(1.0, 0.0);
double r202023 = 2.0;
double r202024 = r202022 * r202023;
double r202025 = sqrt(r202024);
double r202026 = z;
double r202027 = 1.0;
double r202028 = r202026 - r202027;
double r202029 = 7.0;
double r202030 = r202028 + r202029;
double r202031 = 0.5;
double r202032 = r202030 + r202031;
double r202033 = r202028 + r202031;
double r202034 = pow(r202032, r202033);
double r202035 = r202025 * r202034;
double r202036 = -r202032;
double r202037 = exp(r202036);
double r202038 = r202035 * r202037;
double r202039 = 0.9999999999998099;
double r202040 = 676.5203681218851;
double r202041 = r202028 + r202027;
double r202042 = r202040 / r202041;
double r202043 = r202039 + r202042;
double r202044 = -1259.1392167224028;
double r202045 = r202028 + r202023;
double r202046 = r202044 / r202045;
double r202047 = r202043 + r202046;
double r202048 = 771.3234287776531;
double r202049 = 3.0;
double r202050 = r202028 + r202049;
double r202051 = r202048 / r202050;
double r202052 = r202047 + r202051;
double r202053 = -176.6150291621406;
double r202054 = 4.0;
double r202055 = r202028 + r202054;
double r202056 = r202053 / r202055;
double r202057 = r202052 + r202056;
double r202058 = 12.507343278686905;
double r202059 = 5.0;
double r202060 = r202028 + r202059;
double r202061 = r202058 / r202060;
double r202062 = r202057 + r202061;
double r202063 = -0.13857109526572012;
double r202064 = 6.0;
double r202065 = r202028 + r202064;
double r202066 = r202063 / r202065;
double r202067 = r202062 + r202066;
double r202068 = 9.984369578019572e-06;
double r202069 = r202068 / r202030;
double r202070 = r202067 + r202069;
double r202071 = 1.5056327351493116e-07;
double r202072 = 8.0;
double r202073 = r202028 + r202072;
double r202074 = r202071 / r202073;
double r202075 = r202070 + r202074;
double r202076 = r202038 * r202075;
return r202076;
}
herbie shell --seed 2020018 +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)))))