Files
trueskill-tt/src/approx.rs

44 lines
1.2 KiB
Rust

use approx::{AbsDiffEq, RelativeEq, UlpsEq};
use crate::gaussian::Gaussian;
impl AbsDiffEq for Gaussian {
type Epsilon = <f64 as AbsDiffEq>::Epsilon;
fn default_epsilon() -> Self::Epsilon {
f64::default_epsilon()
}
fn abs_diff_eq(&self, other: &Self, epsilon: Self::Epsilon) -> bool {
f64::abs_diff_eq(&self.mu, &other.mu, epsilon)
&& f64::abs_diff_eq(&self.sigma, &other.sigma, epsilon)
}
}
impl RelativeEq for Gaussian {
fn default_max_relative() -> Self::Epsilon {
f64::default_max_relative()
}
fn relative_eq(
&self,
other: &Self,
epsilon: Self::Epsilon,
max_relative: Self::Epsilon,
) -> bool {
f64::relative_eq(&self.mu, &other.mu, epsilon, max_relative)
&& f64::relative_eq(&self.sigma, &other.sigma, epsilon, max_relative)
}
}
impl UlpsEq for Gaussian {
fn default_max_ulps() -> u32 {
f64::default_max_ulps()
}
fn ulps_eq(&self, other: &Self, epsilon: Self::Epsilon, max_ulps: u32) -> bool {
f64::ulps_eq(&self.mu, &other.mu, epsilon, max_ulps)
&& f64::ulps_eq(&self.sigma, &other.sigma, epsilon, max_ulps)
}
}