Average Error: 31.6 → 31.6
Time: 1.3s
Precision: binary64
\[\frac{1}{\sqrt{x + 2} - \sqrt{x}}\]
↓
\[\frac{1}{\sqrt{x + 2} - \sqrt{x}}\]
\frac{1}{\sqrt{x + 2} - \sqrt{x}}
↓
\frac{1}{\sqrt{x + 2} - \sqrt{x}}
double code(double x) {
	return ((double) (1.0 / ((double) (((double) sqrt(((double) (x + 2.0)))) - ((double) sqrt(x))))));
}
↓
double code(double x) {
	return ((double) (1.0 / ((double) (((double) sqrt(((double) (x + 2.0)))) - ((double) sqrt(x))))));
}

Error

Bits error versus x

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 31.6

    \[\frac{1}{\sqrt{x + 2} - \sqrt{x}}\]

  2. Final simplification31.6

    \[\leadsto \frac{1}{\sqrt{x + 2} - \sqrt{x}}\]

Reproduce

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