Average Error: 29.6 → 0
Time: 685.0ms
Precision: binary64
\[\left(1 + x\right) - 1\]
↓
\[x\]
\left(1 + x\right) - 1
↓
x
double code(double x) {
	return ((double) (((double) (1.0 + x)) - 1.0));
}
↓
double code(double x) {
	return x;
}

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

    \[\left(1 + x\right) - 1\]

  2. Simplified0

    \[\leadsto \color{blue}{x}\]

  3. Final simplification0

    \[\leadsto x\]

Reproduce

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