custom_float 0.3.1

Custom floating-point types
Documentation 
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use core::{cmp::Ordering, num::FpCategory};

use num_traits::float::TotalOrder;

use crate::{util, Fp, UInt};

impl<U: UInt, const SIGN_BIT: bool, const EXP_SIZE: usize, const INT_SIZE: usize, const FRAC_SIZE: usize, const EXP_BASE: usize> PartialOrd for Fp<U, SIGN_BIT, EXP_SIZE, INT_SIZE, FRAC_SIZE, EXP_BASE>
where
    [(); util::bitsize_of::<U>() - SIGN_BIT as usize - EXP_SIZE - INT_SIZE - FRAC_SIZE]:,
    [(); EXP_BASE - 2]:
{
    fn partial_cmp(&self, other: &Self) -> Option<Ordering>
    {
        match (self.classify(), other.classify())
        {
            (FpCategory::Nan, _) | (_, FpCategory::Nan) => None,
            (FpCategory::Zero, FpCategory::Zero) => Some(Ordering::Equal),
            (_, _) => Some(self.total_cmp(other))
        }
    }
}