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(0.9999999999998099 + \frac{676.5203681218851}{\left(z - 1\right) + 1}\right) + \frac{-1259.1392167224028}{\left(z - 1\right) + 2}\right) + \frac{771.3234287776531}{\left(z - 1\right) + 3}\right) + \frac{-176.6150291621406}{\left(z - 1\right) + 4}\right) + \frac{12.507343278686905}{\left(z - 1\right) + 5}\right) + \frac{-0.13857109526572012}{\left(z - 1\right) + 6}\right) + \frac{9.984369578019572 \cdot 10^{-06}}{\left(z - 1\right) + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-07}}{\left(z - 1\right) + 8}\right)double f(double z) {
double r4910955 = atan2(1.0, 0.0);
double r4910956 = 2.0;
double r4910957 = r4910955 * r4910956;
double r4910958 = sqrt(r4910957);
double r4910959 = z;
double r4910960 = 1.0;
double r4910961 = r4910959 - r4910960;
double r4910962 = 7.0;
double r4910963 = r4910961 + r4910962;
double r4910964 = 0.5;
double r4910965 = r4910963 + r4910964;
double r4910966 = r4910961 + r4910964;
double r4910967 = pow(r4910965, r4910966);
double r4910968 = r4910958 * r4910967;
double r4910969 = -r4910965;
double r4910970 = exp(r4910969);
double r4910971 = r4910968 * r4910970;
double r4910972 = 0.9999999999998099;
double r4910973 = 676.5203681218851;
double r4910974 = r4910961 + r4910960;
double r4910975 = r4910973 / r4910974;
double r4910976 = r4910972 + r4910975;
double r4910977 = -1259.1392167224028;
double r4910978 = r4910961 + r4910956;
double r4910979 = r4910977 / r4910978;
double r4910980 = r4910976 + r4910979;
double r4910981 = 771.3234287776531;
double r4910982 = 3.0;
double r4910983 = r4910961 + r4910982;
double r4910984 = r4910981 / r4910983;
double r4910985 = r4910980 + r4910984;
double r4910986 = -176.6150291621406;
double r4910987 = 4.0;
double r4910988 = r4910961 + r4910987;
double r4910989 = r4910986 / r4910988;
double r4910990 = r4910985 + r4910989;
double r4910991 = 12.507343278686905;
double r4910992 = 5.0;
double r4910993 = r4910961 + r4910992;
double r4910994 = r4910991 / r4910993;
double r4910995 = r4910990 + r4910994;
double r4910996 = -0.13857109526572012;
double r4910997 = 6.0;
double r4910998 = r4910961 + r4910997;
double r4910999 = r4910996 / r4910998;
double r4911000 = r4910995 + r4910999;
double r4911001 = 9.984369578019572e-06;
double r4911002 = r4911001 / r4910963;
double r4911003 = r4911000 + r4911002;
double r4911004 = 1.5056327351493116e-07;
double r4911005 = 8.0;
double r4911006 = r4910961 + r4911005;
double r4911007 = r4911004 / r4911006;
double r4911008 = r4911003 + r4911007;
double r4911009 = r4910971 * r4911008;
return r4911009;
}
herbie shell --seed 2019163 +o rules:numerics
(FPCore (z)
:name "Jmat.Real.gamma, branch z greater than 0.5"
(* (* (* (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)))))