integer_or_float/cmp/
approx.rs

1use crate::{IntegerOrFloat, *};
2
3#[cfg(not(feature = "x64-backing-store"))]
4use float_cmp::F32Margin as FMargin;
5#[cfg(feature = "x64-backing-store")]
6use float_cmp::F64Margin as FMargin;
7use float_cmp::{ApproxEq, Ulps};
8
9impl ApproxEq for IntegerOrFloat {
10    type Margin = FMargin;
11
12    fn approx_eq<M: Into<Self::Margin>>(self, other: Self, margin: M) -> bool {
13        let margin: FMargin = margin.into();
14        if let (Ok(i1), Ok(i2), true) = (
15            self.holding_integer(),
16            other.holding_integer(),
17            0.0 == margin.epsilon && margin.ulps == FMargin::zero().ulps,
18        ) {
19            return i1 == i2;
20        }
21
22        f_iof::from(self).approx_eq(other.into(), margin)
23    }
24}
25
26impl Ulps for IntegerOrFloat {
27    type U = Self;
28
29    fn ulps(&self, other: &Self) -> Self {
30        Integer(self.unwrap_float().ulps(&other.unwrap_float()))
31    }
32    fn next(&self) -> Self {
33        Float(self.unwrap_float().next())
34    }
35    fn prev(&self) -> Self {
36        Float(self.unwrap_float().prev())
37    }
38}
integer_or_float/cmp/approx.rs

integer_or_float/cmp/
approx.rs
