Average Error: 0.3 → 0.3
Time: 433.0ms
Precision: binary64
\[\frac{1}{x \cdot x - 1}\]
↓
\[\frac{1}{x \cdot x - 1}\]
\frac{1}{x \cdot x - 1}
↓
\frac{1}{x \cdot x - 1}
double code(double x) {
	return ((double) (1.0 / ((double) (((double) (x * x)) - 1.0))));
}
↓
double code(double x) {
	return ((double) (1.0 / ((double) (((double) (x * x)) - 1.0))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.3

    \[\frac{1}{x \cdot x - 1}\]

  2. Final simplification0.3

    \[\leadsto \frac{1}{x \cdot x - 1}\]

Reproduce

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