\left(\left(\frac{1}{x} + \frac{x}{x \cdot \tan x}\right) - \frac{\sqrt{x}}{\sqrt{x \cdot \sqrt{x} + 1}}\right) - 2^{\sin x}\left(\frac{1}{x} - \left(\frac{\sqrt{x}}{\sqrt{x \cdot \sqrt{x} + 1}} + 2^{\sin x}\right)\right) - \frac{-1}{\tan x}double code(double x) {
return ((double) (((double) (((double) (((double) (1.0 / x)) + ((double) (x / ((double) (x * ((double) tan(x)))))))) - ((double) (((double) sqrt(x)) / ((double) sqrt(((double) (((double) (x * ((double) sqrt(x)))) + 1.0)))))))) - ((double) exp2(((double) sin(x))))));
}
double code(double x) {
return ((double) (((double) (((double) (1.0 / x)) - ((double) (((double) (((double) sqrt(x)) / ((double) sqrt(((double) (((double) (x * ((double) sqrt(x)))) + 1.0)))))) + ((double) exp2(((double) sin(x)))))))) - ((double) (-1.0 / ((double) tan(x))))));
}



Bits error versus x
Results
Initial program 15.9
Simplified0.3
Final simplification0.3
herbie shell --seed 2020152
(FPCore (x)
:name "(- (- (+ (/ 1 x) (/ x (* x (tan x)))) (/ (sqrt x) (sqrt (+ (* x (sqrt x)) 1)))) (exp2 (sin x)))"
:precision binary64
(- (- (+ (/ 1.0 x) (/ x (* x (tan x)))) (/ (sqrt x) (sqrt (+ (* x (sqrt x)) 1.0)))) (exp2 (sin x))))