rithm/fraction/
abs.rs

1use traiter::numbers::Abs;
2
3use crate::big_int::BigInt;
4
5use super::types::Fraction;
6
7impl<'a, Digit, const DIGIT_BITNESS: usize> Abs
8    for &'a Fraction<BigInt<Digit, DIGIT_BITNESS>>
9where
10    BigInt<Digit, DIGIT_BITNESS>: Clone,
11    &'a BigInt<Digit, DIGIT_BITNESS>:
12        Abs<Output = BigInt<Digit, DIGIT_BITNESS>>,
13{
14    type Output = Fraction<BigInt<Digit, DIGIT_BITNESS>>;
15
16    fn abs(self) -> Self::Output {
17        Self::Output {
18            numerator: (&self.numerator).abs(),
19            denominator: self.denominator.clone(),
20        }
21    }
22}
23
24impl<Digit, const DIGIT_BITNESS: usize> Abs
25    for Fraction<BigInt<Digit, DIGIT_BITNESS>>
26{
27    type Output = Self;
28
29    fn abs(self) -> Self::Output {
30        Self::Output {
31            numerator: self.numerator.abs(),
32            denominator: self.denominator,
33        }
34    }
35}
36
37macro_rules! signed_integer_fraction_abs_impl {
38    ($($integer:ty)*) => ($(
39        impl Abs for &Fraction<$integer> {
40            type Output = Fraction<$integer>;
41
42            fn abs(self) -> Self::Output {
43                Self::Output {
44                    numerator: self.numerator.abs(),
45                    denominator: self.denominator,
46                }
47            }
48        }
49
50        impl Abs for Fraction<$integer> {
51            type Output = Self;
52
53            fn abs(self) -> Self::Output {
54                Self::Output {
55                    numerator: self.numerator.abs(),
56                    denominator: self.denominator,
57                }
58            }
59        }
60    )*)
61}
62
63signed_integer_fraction_abs_impl!(i8 i16 i32 i64 i128 isize);
rithm/fraction/abs.rs

rithm/fraction/
abs.rs
