pub fn nearly_eq<S, T>(x: S, y: T) -> bool
where
    S: Into<f64>,
    T: Into<f64>,
{
    let mut b: bool = false;
    let e = 1e-7;
    let p: f64 = x.into().abs();
    let q: f64 = y.into().abs();
    if (p - q).abs() < e || (p - q).abs() / (p + q).min(f64::MAX) < e {
        b = true;
    }
    b
}
Near equal

# Examples
```
extern crate peroxide;
use peroxide::fuga::*;

assert!(nearly_eq(1.0/3.0 * 3.0, 1));
```
src/util/useful.rs