Average Error: 21.3 → 21.3
Time: 1.1s
Precision: binary64
\[\sqrt{{x}^{2} - y}\]
\[\sqrt{{x}^{2} - y}\]
\sqrt{{x}^{2} - y}
\sqrt{{x}^{2} - y}
double code(double x, double y) {
	return ((double) sqrt(((double) (((double) pow(x, 2.0)) - y))));
}
double code(double x, double y) {
	return ((double) sqrt(((double) (((double) pow(x, 2.0)) - y))));
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 21.3

    \[\sqrt{{x}^{2} - y}\]
  2. Final simplification21.3

    \[\leadsto \sqrt{{x}^{2} - y}\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x y)
  :name "(sqrt (- (pow x 2) y))"
  :precision binary64
  (sqrt (- (pow x 2.0) y)))