Average Error: 0.6 → 0.6
Time: 1.4s
Precision: binary64
\[{\left(\frac{1}{\sqrt{x}}\right)}^{2}\]
↓
\[{\left(\frac{1}{\sqrt{x}}\right)}^{2}\]
{\left(\frac{1}{\sqrt{x}}\right)}^{2}
↓
{\left(\frac{1}{\sqrt{x}}\right)}^{2}
double code(double x) {
	return ((double) pow(((double) (1.0 / ((double) sqrt(x)))), 2.0));
}
↓
double code(double x) {
	return ((double) pow(((double) (1.0 / ((double) sqrt(x)))), 2.0));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.6

    \[{\left(\frac{1}{\sqrt{x}}\right)}^{2}\]

  2. Final simplification0.6

    \[\leadsto {\left(\frac{1}{\sqrt{x}}\right)}^{2}\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(pow (/ 1 (sqrt x)) 2)"
  :precision binary64
  (pow (/ 1.0 (sqrt x)) 2.0))