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// Copyright © 2026 Mikhail Hogrefe
//
// This file is part of Malachite.
//
// Malachite is free software: you can redistribute it and/or modify it under the terms of the GNU
// Lesser General Public License (LGPL) as published by the Free Software Foundation; either version
// 3 of the License, or (at your option) any later version. See <https://www.gnu.org/licenses/>.
use crate::natural::Natural;
use malachite_base::num::arithmetic::traits::{CanonicalizeUnit, CanonicalizeUnitAssign};
impl CanonicalizeUnit for Natural {
type Output = Self;
/// Brings a [`Natural`] into canonical unit form, taking it by value. A [`Natural`] is already
/// in canonical unit form, so this is the identity.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// ```
/// use malachite_base::num::arithmetic::traits::CanonicalizeUnit;
/// use malachite_nz::natural::Natural;
///
/// assert_eq!(Natural::from(123u32).canonicalize_unit(), 123);
/// ```
#[inline]
fn canonicalize_unit(self) -> Self {
self
}
}
impl CanonicalizeUnit for &Natural {
type Output = Natural;
/// Brings a [`Natural`] into canonical unit form, taking it by reference. A [`Natural`] is
/// already in canonical unit form, so this is the identity.
///
/// # 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_base::num::arithmetic::traits::CanonicalizeUnit;
/// use malachite_nz::natural::Natural;
///
/// assert_eq!((&Natural::from(123u32)).canonicalize_unit(), 123);
/// ```
#[inline]
fn canonicalize_unit(self) -> Natural {
self.clone()
}
}
impl CanonicalizeUnitAssign for Natural {
/// Replaces a [`Natural`] with its canonical unit form. A [`Natural`] is already in canonical
/// unit form, so this is the identity.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// ```
/// use malachite_base::num::arithmetic::traits::CanonicalizeUnitAssign;
/// use malachite_nz::natural::Natural;
///
/// let mut x = Natural::from(123u32);
/// x.canonicalize_unit_assign();
/// assert_eq!(x, 123);
/// ```
#[inline]
fn canonicalize_unit_assign(&mut self) {}
}