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 r215159 = atan2(1.0, 0.0);
double r215160 = 2.0;
double r215161 = r215159 * r215160;
double r215162 = sqrt(r215161);
double r215163 = z;
double r215164 = 1.0;
double r215165 = r215163 - r215164;
double r215166 = 7.0;
double r215167 = r215165 + r215166;
double r215168 = 0.5;
double r215169 = r215167 + r215168;
double r215170 = r215165 + r215168;
double r215171 = pow(r215169, r215170);
double r215172 = r215162 * r215171;
double r215173 = -r215169;
double r215174 = exp(r215173);
double r215175 = r215172 * r215174;
double r215176 = 0.9999999999998099;
double r215177 = 676.5203681218851;
double r215178 = r215165 + r215164;
double r215179 = r215177 / r215178;
double r215180 = r215176 + r215179;
double r215181 = -1259.1392167224028;
double r215182 = r215165 + r215160;
double r215183 = r215181 / r215182;
double r215184 = r215180 + r215183;
double r215185 = 771.3234287776531;
double r215186 = 3.0;
double r215187 = r215165 + r215186;
double r215188 = r215185 / r215187;
double r215189 = r215184 + r215188;
double r215190 = -176.6150291621406;
double r215191 = 4.0;
double r215192 = r215165 + r215191;
double r215193 = r215190 / r215192;
double r215194 = r215189 + r215193;
double r215195 = 12.507343278686905;
double r215196 = 5.0;
double r215197 = r215165 + r215196;
double r215198 = r215195 / r215197;
double r215199 = r215194 + r215198;
double r215200 = -0.13857109526572012;
double r215201 = 6.0;
double r215202 = r215165 + r215201;
double r215203 = r215200 / r215202;
double r215204 = r215199 + r215203;
double r215205 = 9.984369578019572e-06;
double r215206 = r215205 / r215167;
double r215207 = r215204 + r215206;
double r215208 = 1.5056327351493116e-07;
double r215209 = 8.0;
double r215210 = r215165 + r215209;
double r215211 = r215208 / r215210;
double r215212 = r215207 + r215211;
double r215213 = r215175 * r215212;
return r215213;
}
herbie shell --seed 2019212 +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)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.99999999999980993 (/ 676.520368121885099 (+ (- z 1) 1))) (/ -1259.13921672240281 (+ (- z 1) 2))) (/ 771.32342877765313 (+ (- z 1) 3))) (/ -176.615029162140587 (+ (- z 1) 4))) (/ 12.5073432786869052 (+ (- z 1) 5))) (/ -0.138571095265720118 (+ (- z 1) 6))) (/ 9.98436957801957158e-6 (+ (- z 1) 7))) (/ 1.50563273514931162e-7 (+ (- z 1) 8)))))