relp_num/rational/big/ops/
mod.rs

1use std::iter::Sum;
2use std::ops::Neg;
3
4use crate::integer::big::ops::div::div as div_by_odd_or_even;
5use crate::integer::big::ops::normalize::gcd;
6use crate::Negateable;
7use crate::rational::big::Big;
8
9mod add_sub;
10mod mul_div;
11pub(super) mod building_blocks;
12
13impl<const S: usize> Sum for Big<S> {
14    #[inline]
15    fn sum<I: Iterator<Item=Self>>(mut iter: I) -> Self {
16        let first = iter.next();
17        match first {
18            None => <Self as num_traits::Zero>::zero(),
19            Some(mut total) => {
20                for next_value in iter {
21                    total += next_value;
22                }
23
24                total
25            }
26        }
27    }
28}
29
30impl<const S: usize> Neg for Big<S> {
31    type Output = Self;
32
33    #[inline]
34    fn neg(mut self) -> Self::Output {
35        self.sign.negate();
36        self
37    }
38}
39
40impl<const S: usize> Neg for &Big<S> {
41    type Output = Big<S>;
42
43    #[inline]
44    fn neg(self) -> Self::Output {
45        Self::Output {
46            sign: !self.sign,
47            numerator: self.numerator.clone(),
48            denominator: self.denominator.clone(),
49        }
50    }
51}
52
53#[cfg(test)]
54mod test;
relp_num/rational/big/ops/mod.rs

relp_num/rational/big/ops/
mod.rs
