1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210
use malachite_nz::natural::Natural;
use Rational;
impl Rational {
/// Extracts the numerator of a [`Rational`], taking the [`Rational`] by reference and cloning.
///
/// # Worst-case complexity
/// $T(n) = O(n)$
///
/// $M(n) = O(n)$
///
/// where $T$ is time, $M$ is additional memory, and $n$ is `self.significant_bits()`.
///
/// # Examples
/// ```
/// use malachite_q::Rational;
/// use std::str::FromStr;
///
/// assert_eq!(Rational::from_str("2/3").unwrap().to_numerator(), 2);
/// assert_eq!(Rational::from_str("0").unwrap().to_numerator(), 0);
/// ```
#[inline]
pub fn to_numerator(&self) -> Natural {
self.numerator.clone()
}
/// Extracts the denominator of a [`Rational`], taking the [`Rational`] by reference and
/// cloning.
///
/// # Worst-case complexity
/// $T(n) = O(n)$
///
/// $M(n) = O(n)$
///
/// where $T$ is time, $M$ is additional memory, and $n$ is `self.significant_bits()`.
///
/// # Examples
/// ```
/// use malachite_q::Rational;
/// use std::str::FromStr;
///
/// assert_eq!(Rational::from_str("2/3").unwrap().to_denominator(), 3);
/// assert_eq!(Rational::from_str("0").unwrap().to_denominator(), 1);
/// ```
#[inline]
pub fn to_denominator(&self) -> Natural {
self.denominator.clone()
}
/// Extracts the numerator and denominator of a [`Rational`], taking the [`Rational`] by
/// reference and cloning.
///
/// # Worst-case complexity
/// $T(n) = O(n)$
///
/// $M(n) = O(n)$
///
/// where $T$ is time, $M$ is additional memory, and $n$ is `self.significant_bits()`.
///
/// # Examples
/// ```
/// extern crate malachite_base;
///
/// use malachite_base::strings::ToDebugString;
/// use malachite_q::Rational;
/// use std::str::FromStr;
///
/// assert_eq!(
/// Rational::from_str("2/3").unwrap().to_numerator_and_denominator().to_debug_string(),
/// "(2, 3)"
/// );
/// assert_eq!(
/// Rational::from_str("0").unwrap().to_numerator_and_denominator().to_debug_string(),
/// "(0, 1)"
/// );
/// ```
#[inline]
pub fn to_numerator_and_denominator(&self) -> (Natural, Natural) {
(self.numerator.clone(), self.denominator.clone())
}
/// Extracts the numerator of a [`Rational`], taking the [`Rational`] by value.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// ```
/// use malachite_q::Rational;
/// use std::str::FromStr;
///
/// assert_eq!(Rational::from_str("2/3").unwrap().into_numerator(), 2);
/// assert_eq!(Rational::from_str("0").unwrap().into_numerator(), 0);
/// ```
#[inline]
#[allow(clippy::missing_const_for_fn)]
pub fn into_numerator(self) -> Natural {
self.numerator
}
/// Extracts the denominator of a [`Rational`], taking the [`Rational`] by value.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// ```
/// use malachite_q::Rational;
/// use std::str::FromStr;
///
/// assert_eq!(Rational::from_str("2/3").unwrap().into_denominator(), 3);
/// assert_eq!(Rational::from_str("0").unwrap().into_denominator(), 1);
/// ```
#[inline]
#[allow(clippy::missing_const_for_fn)]
pub fn into_denominator(self) -> Natural {
self.denominator
}
/// Extracts the numerator and denominator of a [`Rational`], taking the [`Rational`] by value.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// ```
/// extern crate malachite_base;
///
/// use malachite_base::strings::ToDebugString;
/// use malachite_q::Rational;
/// use std::str::FromStr;
///
/// assert_eq!(
/// Rational::from_str("2/3").unwrap().into_numerator_and_denominator().to_debug_string(),
/// "(2, 3)"
/// );
/// assert_eq!(
/// Rational::from_str("0").unwrap().into_numerator_and_denominator().to_debug_string(),
/// "(0, 1)"
/// );
/// ```
#[inline]
#[allow(clippy::missing_const_for_fn)]
pub fn into_numerator_and_denominator(self) -> (Natural, Natural) {
(self.numerator, self.denominator)
}
/// Returns a reference to the numerator of a [`Rational`].
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// ```
/// use malachite_q::Rational;
/// use std::str::FromStr;
///
/// assert_eq!(*Rational::from_str("2/3").unwrap().numerator_ref(), 2);
/// assert_eq!(*Rational::from_str("0").unwrap().numerator_ref(), 0);
/// ```
#[inline]
pub const fn numerator_ref(&self) -> &Natural {
&self.numerator
}
/// Returns a reference to the denominator of a [`Rational`].
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// ```
/// use malachite_q::Rational;
/// use std::str::FromStr;
///
/// assert_eq!(*Rational::from_str("2/3").unwrap().denominator_ref(), 3);
/// assert_eq!(*Rational::from_str("0").unwrap().denominator_ref(), 1);
/// ```
#[inline]
pub const fn denominator_ref(&self) -> &Natural {
&self.denominator
}
/// Returns references to the numeraror and denominator of a [`Rational`].
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// ```
/// extern crate malachite_base;
///
/// use malachite_base::strings::ToDebugString;
/// use malachite_q::Rational;
/// use std::str::FromStr;
///
/// assert_eq!(
/// Rational::from_str("2/3").unwrap().numerator_and_denominator_ref().to_debug_string(),
/// "(2, 3)"
/// );
/// assert_eq!(
/// Rational::from_str("0").unwrap().numerator_and_denominator_ref().to_debug_string(),
/// "(0, 1)"
/// );
/// ```
#[inline]
pub const fn numerator_and_denominator_ref(&self) -> (&Natural, &Natural) {
(&self.numerator, &self.denominator)
}
}