Average Error: 30.3 → 30.3
Time: 1.5s
Precision: binary64
\[{\left(1 - x\right)}^{2} - {x}^{2}\]
↓
\[{\left(1 - x\right)}^{2} - {x}^{2}\]
{\left(1 - x\right)}^{2} - {x}^{2}
↓
{\left(1 - x\right)}^{2} - {x}^{2}
double code(double x) {
	return ((double) (((double) pow(((double) (1.0 - x)), 2.0)) - ((double) pow(x, 2.0))));
}
↓
double code(double x) {
	return ((double) (((double) pow(((double) (1.0 - x)), 2.0)) - ((double) pow(x, 2.0))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 30.3

    \[{\left(1 - x\right)}^{2} - {x}^{2}\]

  2. Final simplification30.3

    \[\leadsto {\left(1 - x\right)}^{2} - {x}^{2}\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(- (pow (- 1.0 x) 2.0) (pow x 2.0))"
  :precision binary64
  (- (pow (- 1.0 x) 2.0) (pow x 2.0)))