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(0.9999999999998099298181841732002794742584 + \frac{676.5203681218850988443591631948947906494}{\left(z - 1\right) + 1}\right) + \frac{-1259.139216722402807135949842631816864014}{\left(z - 1\right) + 2}\right) + \frac{771.3234287776531346025876700878143310547}{\left(z - 1\right) + 3}\right) + \frac{-176.6150291621405870046146446838974952698}{\left(z - 1\right) + 4}\right) + \frac{12.50734327868690520801919774385169148445}{\left(z - 1\right) + 5}\right) + \frac{-0.1385710952657201178173096423051902092993}{\left(z - 1\right) + 6}\right) + \frac{9.984369578019571583242346146658263705831 \cdot 10^{-6}}{\left(z - 1\right) + 7}\right) + \frac{1.505632735149311617592788074479481785772 \cdot 10^{-7}}{\left(z - 1\right) + 8}\right)double f(double z) {
double r4513042 = atan2(1.0, 0.0);
double r4513043 = 2.0;
double r4513044 = r4513042 * r4513043;
double r4513045 = sqrt(r4513044);
double r4513046 = z;
double r4513047 = 1.0;
double r4513048 = r4513046 - r4513047;
double r4513049 = 7.0;
double r4513050 = r4513048 + r4513049;
double r4513051 = 0.5;
double r4513052 = r4513050 + r4513051;
double r4513053 = r4513048 + r4513051;
double r4513054 = pow(r4513052, r4513053);
double r4513055 = r4513045 * r4513054;
double r4513056 = -r4513052;
double r4513057 = exp(r4513056);
double r4513058 = r4513055 * r4513057;
double r4513059 = 0.9999999999998099;
double r4513060 = 676.5203681218851;
double r4513061 = r4513048 + r4513047;
double r4513062 = r4513060 / r4513061;
double r4513063 = r4513059 + r4513062;
double r4513064 = -1259.1392167224028;
double r4513065 = r4513048 + r4513043;
double r4513066 = r4513064 / r4513065;
double r4513067 = r4513063 + r4513066;
double r4513068 = 771.3234287776531;
double r4513069 = 3.0;
double r4513070 = r4513048 + r4513069;
double r4513071 = r4513068 / r4513070;
double r4513072 = r4513067 + r4513071;
double r4513073 = -176.6150291621406;
double r4513074 = 4.0;
double r4513075 = r4513048 + r4513074;
double r4513076 = r4513073 / r4513075;
double r4513077 = r4513072 + r4513076;
double r4513078 = 12.507343278686905;
double r4513079 = 5.0;
double r4513080 = r4513048 + r4513079;
double r4513081 = r4513078 / r4513080;
double r4513082 = r4513077 + r4513081;
double r4513083 = -0.13857109526572012;
double r4513084 = 6.0;
double r4513085 = r4513048 + r4513084;
double r4513086 = r4513083 / r4513085;
double r4513087 = r4513082 + r4513086;
double r4513088 = 9.984369578019572e-06;
double r4513089 = r4513088 / r4513050;
double r4513090 = r4513087 + r4513089;
double r4513091 = 1.5056327351493116e-07;
double r4513092 = 8.0;
double r4513093 = r4513048 + r4513092;
double r4513094 = r4513091 / r4513093;
double r4513095 = r4513090 + r4513094;
double r4513096 = r4513058 * r4513095;
return r4513096;
}
herbie shell --seed 2019168 +o rules:numerics
(FPCore (z)
:name "Jmat.Real.gamma, branch z greater than 0.5"
(* (* (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))) (exp (- (+ (+ (- z 1.0) 7.0) 0.5)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 (+ (- z 1.0) 1.0))) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0)))))