Average Error: 59.6 → 59.6
Time: 4.1s
Precision: binary64
\[{\left(x - 1\right)}^{0.5} - \sqrt{x}\]
↓
\[{\left(x - 1\right)}^{0.5} - \sqrt{x}\]
{\left(x - 1\right)}^{0.5} - \sqrt{x}
↓
{\left(x - 1\right)}^{0.5} - \sqrt{x}
double code(double x) {
	return ((double) (((double) pow(((double) (x - 1.0)), 0.5)) - ((double) sqrt(x))));
}
↓
double code(double x) {
	return ((double) (((double) pow(((double) (x - 1.0)), 0.5)) - ((double) sqrt(x))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 59.6

    \[{\left(x - 1\right)}^{0.5} - \sqrt{x}\]

  2. Final simplification59.6

    \[\leadsto {\left(x - 1\right)}^{0.5} - \sqrt{x}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(- (pow (- x 1) 0.5) (sqrt x))"
  :precision binary64
  (- (pow (- x 1.0) 0.5) (sqrt x)))