mathru::special::error
pub fn erfc<T>(x: T) -> T where T: Real + Error + Gamma,
Complementary error function
\operatorname{erfc}(z) = 1 - \operatorname{erf} z,
x
use mathru::special::error; let x: f64 = 0.0; let error: f64 = error::erfc(x);