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 r4967065 = atan2(1.0, 0.0);
double r4967066 = 2.0;
double r4967067 = r4967065 * r4967066;
double r4967068 = sqrt(r4967067);
double r4967069 = z;
double r4967070 = 1.0;
double r4967071 = r4967069 - r4967070;
double r4967072 = 7.0;
double r4967073 = r4967071 + r4967072;
double r4967074 = 0.5;
double r4967075 = r4967073 + r4967074;
double r4967076 = r4967071 + r4967074;
double r4967077 = pow(r4967075, r4967076);
double r4967078 = r4967068 * r4967077;
double r4967079 = -r4967075;
double r4967080 = exp(r4967079);
double r4967081 = r4967078 * r4967080;
double r4967082 = 0.9999999999998099;
double r4967083 = 676.5203681218851;
double r4967084 = r4967071 + r4967070;
double r4967085 = r4967083 / r4967084;
double r4967086 = r4967082 + r4967085;
double r4967087 = -1259.1392167224028;
double r4967088 = r4967071 + r4967066;
double r4967089 = r4967087 / r4967088;
double r4967090 = r4967086 + r4967089;
double r4967091 = 771.3234287776531;
double r4967092 = 3.0;
double r4967093 = r4967071 + r4967092;
double r4967094 = r4967091 / r4967093;
double r4967095 = r4967090 + r4967094;
double r4967096 = -176.6150291621406;
double r4967097 = 4.0;
double r4967098 = r4967071 + r4967097;
double r4967099 = r4967096 / r4967098;
double r4967100 = r4967095 + r4967099;
double r4967101 = 12.507343278686905;
double r4967102 = 5.0;
double r4967103 = r4967071 + r4967102;
double r4967104 = r4967101 / r4967103;
double r4967105 = r4967100 + r4967104;
double r4967106 = -0.13857109526572012;
double r4967107 = 6.0;
double r4967108 = r4967071 + r4967107;
double r4967109 = r4967106 / r4967108;
double r4967110 = r4967105 + r4967109;
double r4967111 = 9.984369578019572e-06;
double r4967112 = r4967111 / r4967073;
double r4967113 = r4967110 + r4967112;
double r4967114 = 1.5056327351493116e-07;
double r4967115 = 8.0;
double r4967116 = r4967071 + r4967115;
double r4967117 = r4967114 / r4967116;
double r4967118 = r4967113 + r4967117;
double r4967119 = r4967081 * r4967118;
return r4967119;
}
herbie shell --seed 2019172 +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)))))