Use the --timeout flag to change the timeout.
\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a}double f(double a, double b, double c) {
double r55508039 = b;
double r55508040 = -r55508039;
double r55508041 = r55508039 * r55508039;
double r55508042 = 4.0;
double r55508043 = a;
double r55508044 = r55508042 * r55508043;
double r55508045 = c;
double r55508046 = r55508044 * r55508045;
double r55508047 = r55508041 - r55508046;
double r55508048 = sqrt(r55508047);
double r55508049 = r55508040 + r55508048;
double r55508050 = 2.0;
double r55508051 = r55508050 * r55508043;
double r55508052 = r55508049 / r55508051;
return r55508052;
}
herbie shell --seed 2019119 +o rules:numerics
(FPCore (a b c)
:name "The quadratic formula (r1)"
:herbie-target
(if (< b 0) (/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a)) (/ c (* a (/ (- (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a)))))
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a)))