Average Error: 39.3 → 39.3
Time: 931.0ms
Precision: binary64
\[1 - \sqrt{1 - a}\]
↓
\[1 - \sqrt{1 - a}\]
1 - \sqrt{1 - a}
↓
1 - \sqrt{1 - a}
double code(double a) {
	return ((double) (1.0 - ((double) sqrt(((double) (1.0 - a))))));
}
↓
double code(double a) {
	return ((double) (1.0 - ((double) sqrt(((double) (1.0 - a))))));
}

Error

Bits error versus a

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 39.3

    \[1 - \sqrt{1 - a}\]

  2. Final simplification39.3

    \[\leadsto 1 - \sqrt{1 - a}\]

Reproduce

herbie shell --seed 2020152 
(FPCore (a)
  :name "(- 1 (sqrt (- 1 a)))"
  :precision binary64
  (- 1.0 (sqrt (- 1.0 a))))