approximate_multifactorial_digits_float

Function approximate_multifactorial_digits_float 

Source
pub fn approximate_multifactorial_digits_float(k: u32, n: Float) -> Integer
Expand description

Calculates the approximate digits of a multifactorial. This is based on the base 10 logarithm of Sterling’s Approximation.

§Panic

Will panic if either n is non-positive, or if n is inf as a Float.

Algorithm adapted from Wikipedia as cc-by-sa-4.0