Average Error: 5.9 → 5.9
Time: 1.0s
Precision: binary64
\[\frac{1 - cosx}{{x}^{2}}\]
↓
\[\frac{1 - cosx}{{x}^{2}}\]
\frac{1 - cosx}{{x}^{2}}
↓
\frac{1 - cosx}{{x}^{2}}
double code(double cosx, double x) {
	return ((double) (((double) (1.0 - cosx)) / ((double) pow(x, 2.0))));
}
↓
double code(double cosx, double x) {
	return ((double) (((double) (1.0 - cosx)) / ((double) pow(x, 2.0))));
}

Error

Bits error versus cosx

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 5.9

    \[\frac{1 - cosx}{{x}^{2}}\]

  2. Final simplification5.9

    \[\leadsto \frac{1 - cosx}{{x}^{2}}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (cosx x)
  :name "(/ (- 1 cosx) (pow x 2))"
  :precision binary64
  (/ (- 1.0 cosx) (pow x 2.0)))