Average Error: 0.0 → 0.0
Time: 893.0ms
Precision: binary64
\[2^{{x}^{3} - x}\]
↓
\[2^{{x}^{3} - x}\]
2^{{x}^{3} - x}
↓
2^{{x}^{3} - x}
double code(double x) {
	return ((double) exp2(((double) (((double) pow(x, 3.0)) - x))));
}
↓
double code(double x) {
	return ((double) exp2(((double) (((double) pow(x, 3.0)) - x))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[2^{{x}^{3} - x}\]

  2. Final simplification0.0

    \[\leadsto 2^{{x}^{3} - x}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(exp2 (- (pow x 3) x))"
  :precision binary64
  (exp2 (- (pow x 3.0) x)))