Use the --timeout flag to change the timeout.
\frac{\left(\frac{\left(-b_2\right)}{\left(\sqrt{\left(\left(b_2 \cdot b_2\right) - \left(a \cdot c\right)\right)}\right)}\right)}{a}double f(double a, double b_2, double c) {
double r493950 = b_2;
double r493951 = -r493950;
double r493952 = r493950 * r493950;
double r493953 = a;
double r493954 = c;
double r493955 = r493953 * r493954;
double r493956 = r493952 - r493955;
double r493957 = sqrt(r493956);
double r493958 = r493951 + r493957;
double r493959 = r493958 / r493953;
return r493959;
}
herbie shell --seed 2019144
(FPCore (a b_2 c)
:name "quad2p (problem 3.2.1, positive)"
(/.p16 (+.p16 (neg.p16 b_2) (sqrt.p16 (-.p16 (*.p16 b_2 b_2) (*.p16 a c)))) a))