Average Error: 0 → 0
Time: 344.0ms
Precision: binary64
\[a - 1\]
↓
\[a - 1\]
a - 1
↓
a - 1
double code(double a) {
	return ((double) (a - 1.0));
}
↓
double code(double a) {
	return ((double) (a - 1.0));
}

Error

Bits error versus a

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[a - 1\]

  2. Final simplification0

    \[\leadsto a - 1\]

Reproduce

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