libm/math/
lgamma.rs

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use super::lgamma_r;

/// The natural logarithm of the
/// [Gamma function](https://en.wikipedia.org/wiki/Gamma_function) (f64).
#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
pub fn lgamma(x: f64) -> f64 {
    lgamma_r(x).0
}