Average Error: 30.1 → 0
Time: 798.0ms
Precision: binary64
\[\left(\left(\left(x + 1\right) + x\right) - 1\right) - x\]
↓
\[x\]
\left(\left(\left(x + 1\right) + x\right) - 1\right) - x
↓
x
double code(double x) {
	return ((double) (((double) (((double) (((double) (x + 1.0)) + x)) - 1.0)) - x));
}
↓
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 30.1

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

  2. Simplified0

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

  3. Final simplification0

    \[\leadsto x\]

Reproduce

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