Average Error: 0 → 0
Time: 349.0ms
Precision: binary64
\[a - a\]
↓
\[0\]
a - a
↓
0
double code(double a) {
	return ((double) (a - a));
}
↓
double code(double a) {
	return 0.0;
}

Error

Bits error versus a

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[a - a\]

  2. Simplified0

    \[\leadsto \color{blue}{0}\]

  3. Final simplification0

    \[\leadsto 0\]

Reproduce

herbie shell --seed 2020152 
(FPCore (a)
  :name "(- a a)"
  :precision binary64
  (- a a))