Average Error: 0.0 → 0.0
Time: 1.5s
Precision: binary64
\[\left(1 - {r}^{2}\right) - {b}^{2}\]
↓
\[\left(1 - {r}^{2}\right) - {b}^{2}\]
\left(1 - {r}^{2}\right) - {b}^{2}
↓
\left(1 - {r}^{2}\right) - {b}^{2}
double code(double r, double b) {
	return ((double) (((double) (1.0 - ((double) pow(r, 2.0)))) - ((double) pow(b, 2.0))));
}
↓
double code(double r, double b) {
	return ((double) (((double) (1.0 - ((double) pow(r, 2.0)))) - ((double) pow(b, 2.0))));
}

Error

Bits error versus r

Bits error versus b

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

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

  2. Final simplification0.0

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

Reproduce

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