Average Error: 38.6 → 38.6
Time: 2.4s
Precision: binary64
\[1 - e^{a \cdot \log x}\]
↓
\[1 - e^{a \cdot \log x}\]
1 - e^{a \cdot \log x}
↓
1 - e^{a \cdot \log x}
double code(double a, double x) {
	return ((double) (1.0 - ((double) exp(((double) (a * ((double) log(x))))))));
}
↓
double code(double a, double x) {
	return ((double) (1.0 - ((double) exp(((double) (a * ((double) log(x))))))));
}

Error

Bits error versus a

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 38.6

    \[1 - e^{a \cdot \log x}\]

  2. Final simplification38.6

    \[\leadsto 1 - e^{a \cdot \log x}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (a x)
  :name "(- 1 (exp (* a (log x))))"
  :precision binary64
  (- 1.0 (exp (* a (log x)))))