Average Error: 0.0 → 0.0
Time: 830.0ms
Precision: binary64
\[{x}^{2} - 1\]
↓
\[{x}^{2} - 1\]
{x}^{2} - 1
↓
{x}^{2} - 1
double code(double x) {
	return ((double) (((double) pow(x, 2.0)) - 1.0));
}
↓
double code(double x) {
	return ((double) (((double) pow(x, 2.0)) - 1.0));
}

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

    \[{x}^{2} - 1\]

  2. Final simplification0.0

    \[\leadsto {x}^{2} - 1\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(- (pow x 2) 1)"
  :precision binary64
  (- (pow x 2.0) 1.0))