\tan^{-1} \left(n + 1\right) - \tan^{-1} n\tan^{-1} \left(n + 1\right) - \tan^{-1} ndouble code(double n) {
return ((double) (((double) atan(((double) (n + 1.0)))) - ((double) atan(n))));
}
double code(double n) {
return ((double) (((double) atan(((double) (n + 1.0)))) - ((double) atan(n))));
}



Bits error versus n
Results
Initial program 15.0
Final simplification15.0
herbie shell --seed 2020153
(FPCore (n)
:name "(- (atan (+ n 1)) (atan n))"
:precision binary64
(- (atan (+ n 1.0)) (atan n)))