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(0.99999999999980993 + \frac{676.520368121885099}{\left(z - 1\right) + 1}\right) + \frac{-1259.13921672240281}{\left(z - 1\right) + 2}\right) + \frac{771.32342877765313}{\left(z - 1\right) + 3}\right) + \frac{-176.615029162140587}{\left(z - 1\right) + 4}\right) + \frac{12.5073432786869052}{\left(z - 1\right) + 5}\right) + \frac{-0.138571095265720118}{\left(z - 1\right) + 6}\right) + \frac{9.98436957801957158 \cdot 10^{-6}}{\left(z - 1\right) + 7}\right) + \frac{1.50563273514931162 \cdot 10^{-7}}{\left(z - 1\right) + 8}\right)double f(double z) {
double r1718746 = atan2(1.0, 0.0);
double r1718747 = 2.0;
double r1718748 = r1718746 * r1718747;
double r1718749 = sqrt(r1718748);
double r1718750 = z;
double r1718751 = 1.0;
double r1718752 = r1718750 - r1718751;
double r1718753 = 7.0;
double r1718754 = r1718752 + r1718753;
double r1718755 = 0.5;
double r1718756 = r1718754 + r1718755;
double r1718757 = r1718752 + r1718755;
double r1718758 = pow(r1718756, r1718757);
double r1718759 = r1718749 * r1718758;
double r1718760 = -r1718756;
double r1718761 = exp(r1718760);
double r1718762 = r1718759 * r1718761;
double r1718763 = 0.9999999999998099;
double r1718764 = 676.5203681218851;
double r1718765 = r1718752 + r1718751;
double r1718766 = r1718764 / r1718765;
double r1718767 = r1718763 + r1718766;
double r1718768 = -1259.1392167224028;
double r1718769 = r1718752 + r1718747;
double r1718770 = r1718768 / r1718769;
double r1718771 = r1718767 + r1718770;
double r1718772 = 771.3234287776531;
double r1718773 = 3.0;
double r1718774 = r1718752 + r1718773;
double r1718775 = r1718772 / r1718774;
double r1718776 = r1718771 + r1718775;
double r1718777 = -176.6150291621406;
double r1718778 = 4.0;
double r1718779 = r1718752 + r1718778;
double r1718780 = r1718777 / r1718779;
double r1718781 = r1718776 + r1718780;
double r1718782 = 12.507343278686905;
double r1718783 = 5.0;
double r1718784 = r1718752 + r1718783;
double r1718785 = r1718782 / r1718784;
double r1718786 = r1718781 + r1718785;
double r1718787 = -0.13857109526572012;
double r1718788 = 6.0;
double r1718789 = r1718752 + r1718788;
double r1718790 = r1718787 / r1718789;
double r1718791 = r1718786 + r1718790;
double r1718792 = 9.984369578019572e-06;
double r1718793 = r1718792 / r1718754;
double r1718794 = r1718791 + r1718793;
double r1718795 = 1.5056327351493116e-07;
double r1718796 = 8.0;
double r1718797 = r1718752 + r1718796;
double r1718798 = r1718795 / r1718797;
double r1718799 = r1718794 + r1718798;
double r1718800 = r1718762 * r1718799;
return r1718800;
}
herbie shell --seed 2020046
(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)))))