Use the --timeout flag to change the timeout.
\left(\frac{1}{\sqrt{\pi}} \cdot e^{\left|x\right| \cdot \left|x\right|}\right) \cdot \left(\left(\left(\frac{1}{\left|x\right|} + \frac{1}{2} \cdot \left(\left(\frac{1}{\left|x\right|} \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right)\right) + \frac{3}{4} \cdot \left(\left(\left(\left(\frac{1}{\left|x\right|} \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right)\right) + \frac{15}{8} \cdot \left(\left(\left(\left(\left(\left(\frac{1}{\left|x\right|} \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right)\right)double f(double x) {
double r718864 = 1.0;
double r718865 = atan2(1.0, 0.0);
double r718866 = sqrt(r718865);
double r718867 = r718864 / r718866;
double r718868 = x;
double r718869 = fabs(r718868);
double r718870 = r718869 * r718869;
double r718871 = exp(r718870);
double r718872 = r718867 * r718871;
double r718873 = r718864 / r718869;
double r718874 = 2.0;
double r718875 = r718864 / r718874;
double r718876 = r718873 * r718873;
double r718877 = r718876 * r718873;
double r718878 = r718875 * r718877;
double r718879 = r718873 + r718878;
double r718880 = 3.0;
double r718881 = 4.0;
double r718882 = r718880 / r718881;
double r718883 = r718877 * r718873;
double r718884 = r718883 * r718873;
double r718885 = r718882 * r718884;
double r718886 = r718879 + r718885;
double r718887 = 15.0;
double r718888 = 8.0;
double r718889 = r718887 / r718888;
double r718890 = r718884 * r718873;
double r718891 = r718890 * r718873;
double r718892 = r718889 * r718891;
double r718893 = r718886 + r718892;
double r718894 = r718872 * r718893;
return r718894;
}
herbie shell --seed 2019212 +o rules:numerics
(FPCore (x)
:name "Jmat.Real.erfi, branch x greater than or equal to 5"
:precision binary64
(* (* (/ 1 (sqrt PI)) (exp (* (fabs x) (fabs x)))) (+ (+ (+ (/ 1 (fabs x)) (* (/ 1 2) (* (* (/ 1 (fabs x)) (/ 1 (fabs x))) (/ 1 (fabs x))))) (* (/ 3 4) (* (* (* (* (/ 1 (fabs x)) (/ 1 (fabs x))) (/ 1 (fabs x))) (/ 1 (fabs x))) (/ 1 (fabs x))))) (* (/ 15 8) (* (* (* (* (* (* (/ 1 (fabs x)) (/ 1 (fabs x))) (/ 1 (fabs x))) (/ 1 (fabs x))) (/ 1 (fabs x))) (/ 1 (fabs x))) (/ 1 (fabs x)))))))