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 r116094 = atan2(1.0, 0.0);
double r116095 = 2.0;
double r116096 = r116094 * r116095;
double r116097 = sqrt(r116096);
double r116098 = z;
double r116099 = 1.0;
double r116100 = r116098 - r116099;
double r116101 = 7.0;
double r116102 = r116100 + r116101;
double r116103 = 0.5;
double r116104 = r116102 + r116103;
double r116105 = r116100 + r116103;
double r116106 = pow(r116104, r116105);
double r116107 = r116097 * r116106;
double r116108 = -r116104;
double r116109 = exp(r116108);
double r116110 = r116107 * r116109;
double r116111 = 0.9999999999998099;
double r116112 = 676.5203681218851;
double r116113 = r116100 + r116099;
double r116114 = r116112 / r116113;
double r116115 = r116111 + r116114;
double r116116 = -1259.1392167224028;
double r116117 = r116100 + r116095;
double r116118 = r116116 / r116117;
double r116119 = r116115 + r116118;
double r116120 = 771.3234287776531;
double r116121 = 3.0;
double r116122 = r116100 + r116121;
double r116123 = r116120 / r116122;
double r116124 = r116119 + r116123;
double r116125 = -176.6150291621406;
double r116126 = 4.0;
double r116127 = r116100 + r116126;
double r116128 = r116125 / r116127;
double r116129 = r116124 + r116128;
double r116130 = 12.507343278686905;
double r116131 = 5.0;
double r116132 = r116100 + r116131;
double r116133 = r116130 / r116132;
double r116134 = r116129 + r116133;
double r116135 = -0.13857109526572012;
double r116136 = 6.0;
double r116137 = r116100 + r116136;
double r116138 = r116135 / r116137;
double r116139 = r116134 + r116138;
double r116140 = 9.984369578019572e-06;
double r116141 = r116140 / r116102;
double r116142 = r116139 + r116141;
double r116143 = 1.5056327351493116e-07;
double r116144 = 8.0;
double r116145 = r116100 + r116144;
double r116146 = r116143 / r116145;
double r116147 = r116142 + r116146;
double r116148 = r116110 * r116147;
return r116148;
}
herbie shell --seed 2019362 +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)))))