Average Error: 0.0 → 0.0
Time: 767.0ms
Precision: binary64
\[\frac{1}{\cos^{-1} \left(\frac{1}{x}\right)}\]
↓
\[\frac{1}{\cos^{-1} \left(\frac{1}{x}\right)}\]
\frac{1}{\cos^{-1} \left(\frac{1}{x}\right)}
↓
\frac{1}{\cos^{-1} \left(\frac{1}{x}\right)}
double code(double x) {
	return ((double) (1.0 / ((double) acos(((double) (1.0 / x))))));
}
↓
double code(double x) {
	return ((double) (1.0 / ((double) acos(((double) (1.0 / x))))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\frac{1}{\cos^{-1} \left(\frac{1}{x}\right)}\]

  2. Final simplification0.0

    \[\leadsto \frac{1}{\cos^{-1} \left(\frac{1}{x}\right)}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(/ 1 (acos (/ 1 x)))"
  :precision binary64
  (/ 1.0 (acos (/ 1.0 x))))