1use super::lgamma_r; 2 3/// The natural logarithm of the 4/// [Gamma function](https://en.wikipedia.org/wiki/Gamma_function) (f64). 5#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)] 6pub fn lgamma(x: f64) -> f64 { 7 lgamma_r(x).0 8}