Average Error: 29.6 → 29.6
Time: 665.0ms
Precision: binary64
\[\frac{1}{1 + x} - 1\]
↓
\[\frac{1}{1 + x} - 1\]
\frac{1}{1 + x} - 1
↓
\frac{1}{1 + x} - 1
double code(double x) {
	return ((double) (((double) (1.0 / ((double) (1.0 + x)))) - 1.0));
}
↓
double code(double x) {
	return ((double) (((double) (1.0 / ((double) (1.0 + 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 29.6

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

  2. Final simplification29.6

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

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(- (/ 1 (+ 1 x)) 1)"
  :precision binary64
  (- (/ 1.0 (+ 1.0 x)) 1.0))