Average Error: 0.0 → 0.0
Time: 1.5s
Precision: binary64
\[\cos^{-1} \left(\frac{1}{\sqrt{x}}\right)\]
↓
\[\cos^{-1} \left(\frac{1}{\sqrt{x}}\right)\]
\cos^{-1} \left(\frac{1}{\sqrt{x}}\right)
↓
\cos^{-1} \left(\frac{1}{\sqrt{x}}\right)
double code(double x) {
	return ((double) acos(((double) (1.0 / ((double) sqrt(x))))));
}
↓
double code(double x) {
	return ((double) acos(((double) (1.0 / ((double) sqrt(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

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

  2. Final simplification0.0

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

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(acos (/ 1.0 (sqrt x)))"
  :precision binary64
  (acos (/ 1.0 (sqrt x))))