Average Error: 20.2 → 20.2
Time: 921.0ms
Precision: binary64
\[\sqrt{{x}^{4}}\]
↓
\[\sqrt{{x}^{4}}\]
\sqrt{{x}^{4}}
↓
\sqrt{{x}^{4}}
double code(double x) {
	return ((double) sqrt(((double) pow(x, 4.0))));
}
↓
double code(double x) {
	return ((double) sqrt(((double) pow(x, 4.0))));
}

Error

Bits error versus x

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 20.2

    \[\sqrt{{x}^{4}}\]

  2. Final simplification20.2

    \[\leadsto \sqrt{{x}^{4}}\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(sqrt (pow x 4))"
  :precision binary64
  (sqrt (pow x 4.0)))