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 r114367 = atan2(1.0, 0.0);
double r114368 = 2.0;
double r114369 = r114367 * r114368;
double r114370 = sqrt(r114369);
double r114371 = z;
double r114372 = 1.0;
double r114373 = r114371 - r114372;
double r114374 = 7.0;
double r114375 = r114373 + r114374;
double r114376 = 0.5;
double r114377 = r114375 + r114376;
double r114378 = r114373 + r114376;
double r114379 = pow(r114377, r114378);
double r114380 = r114370 * r114379;
double r114381 = -r114377;
double r114382 = exp(r114381);
double r114383 = r114380 * r114382;
double r114384 = 0.9999999999998099;
double r114385 = 676.5203681218851;
double r114386 = r114373 + r114372;
double r114387 = r114385 / r114386;
double r114388 = r114384 + r114387;
double r114389 = -1259.1392167224028;
double r114390 = r114373 + r114368;
double r114391 = r114389 / r114390;
double r114392 = r114388 + r114391;
double r114393 = 771.3234287776531;
double r114394 = 3.0;
double r114395 = r114373 + r114394;
double r114396 = r114393 / r114395;
double r114397 = r114392 + r114396;
double r114398 = -176.6150291621406;
double r114399 = 4.0;
double r114400 = r114373 + r114399;
double r114401 = r114398 / r114400;
double r114402 = r114397 + r114401;
double r114403 = 12.507343278686905;
double r114404 = 5.0;
double r114405 = r114373 + r114404;
double r114406 = r114403 / r114405;
double r114407 = r114402 + r114406;
double r114408 = -0.13857109526572012;
double r114409 = 6.0;
double r114410 = r114373 + r114409;
double r114411 = r114408 / r114410;
double r114412 = r114407 + r114411;
double r114413 = 9.984369578019572e-06;
double r114414 = r114413 / r114375;
double r114415 = r114412 + r114414;
double r114416 = 1.5056327351493116e-07;
double r114417 = 8.0;
double r114418 = r114373 + r114417;
double r114419 = r114416 / r114418;
double r114420 = r114415 + r114419;
double r114421 = r114383 * r114420;
return r114421;
}
herbie shell --seed 2019322
(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)))))