Average Error: 0.0 → 0.0
Time: 1.6s
Precision: binary64
\[\frac{p - {p}^{N}}{p - 1}\]
↓
\[\frac{p - {p}^{N}}{p - 1}\]
\frac{p - {p}^{N}}{p - 1}
↓
\frac{p - {p}^{N}}{p - 1}
double code(double p, double N) {
	return ((double) (((double) (p - ((double) pow(p, N)))) / ((double) (p - 1.0))));
}
↓
double code(double p, double N) {
	return ((double) (((double) (p - ((double) pow(p, N)))) / ((double) (p - 1.0))));
}

Error

Bits error versus p

Bits error versus N

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\frac{p - {p}^{N}}{p - 1}\]

  2. Final simplification0.0

    \[\leadsto \frac{p - {p}^{N}}{p - 1}\]

Reproduce

herbie shell --seed 2020152 
(FPCore (p N)
  :name "(/ (- p (pow p N)) (- p 1))"
  :precision binary64
  (/ (- p (pow p N)) (- p 1.0)))