Average Error: 0.3 → 0.3
Time: 401.0ms
Precision: binary64
\[\left(x + 1\right) - 1.00009999999999999\]
↓
\[\left(x + 1\right) - 1.00009999999999999\]
\left(x + 1\right) - 1.00009999999999999
↓
\left(x + 1\right) - 1.00009999999999999
double code(double x) {
	return ((double) (((double) (x + 1.0)) - 1.0001));
}
↓
double code(double x) {
	return ((double) (((double) (x + 1.0)) - 1.0001));
}

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

    \[\left(x + 1\right) - 1.00009999999999999\]

  2. Final simplification0.3

    \[\leadsto \left(x + 1\right) - 1.00009999999999999\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(- (+ x 1) 1.0001)"
  :precision binary64
  (- (+ x 1.0) 1.0001))