Use the --timeout flag to change the timeout.
\left(0.5 \cdot \sin re\right) \cdot \left(e^{-im} - e^{im}\right)double f(double re, double im) {
double r234759 = 0.5;
double r234760 = re;
double r234761 = sin(r234760);
double r234762 = r234759 * r234761;
double r234763 = im;
double r234764 = -r234763;
double r234765 = exp(r234764);
double r234766 = exp(r234763);
double r234767 = r234765 - r234766;
double r234768 = r234762 * r234767;
return r234768;
}
herbie shell --seed 2020046
(FPCore (re im)
:name "math.cos on complex, imaginary part"
:precision binary64
:herbie-target
(if (< (fabs im) 1) (- (* (sin re) (+ (+ im (* (* (* 0.16666666666666666 im) im) im)) (* (* (* (* (* 0.008333333333333333 im) im) im) im) im)))) (* (* 0.5 (sin re)) (- (exp (- im)) (exp im))))
(* (* 0.5 (sin re)) (- (exp (- im)) (exp im))))