Average Error: 0.0 → 0.0
Time: 396.0ms
Precision: binary64
\[\left(x - 1\right) + x\]
↓
\[\left(x - 1\right) + x\]
\left(x - 1\right) + x
↓
\left(x - 1\right) + x
double code(double x) {
	return ((double) (((double) (x - 1.0)) + x));
}
↓
double code(double x) {
	return ((double) (((double) (x - 1.0)) + x));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

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

  2. Final simplification0.0

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

Reproduce

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