Use the --timeout flag to change the timeout.
\frac{1 - \tan x \cdot \tan x}{1 + \tan x \cdot \tan x}double f(double x) {
double r56470873 = 1.0;
double r56470874 = x;
double r56470875 = tan(r56470874);
double r56470876 = r56470875 * r56470875;
double r56470877 = r56470873 - r56470876;
double r56470878 = r56470873 + r56470876;
double r56470879 = r56470877 / r56470878;
return r56470879;
}
herbie shell --seed 2019163 +o rules:numerics
(FPCore (x)
:name "Trigonometry B"
(/ (- 1 (* (tan x) (tan x))) (+ 1 (* (tan x) (tan x)))))