[−][src]Function mathru::special::gamma::gamma
pub fn gamma<T>(z: T) -> T where
T: Real + Gamma, Gamma function
\Gamma(z) = \int_0^\infty t^{z-1} {\mathrm e}^{-t} \mathrm dt
Fore more information: https://en.wikipedia.org/wiki/Gamma_function
Arguments
z
Panics
*z == 0.0
Example
use mathru::special::gamma; let z: f64 = 0.3_f64; let gamma: f64 = gamma::gamma(z);
The following approximation is implemented https://en.wikipedia.org/wiki/Lanczos_approximation