malachite-nz 0.14.0

The bignum types Natural and Integer, with efficient algorithms partially derived from GMP and FLINT.
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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 crate::natural_vector::NaturalVector;
use malachite_base::num::basic::unsigneds::PrimitiveUnsigned;
use malachite_base::unsigned_vector::UnsignedVector;

impl<T: PrimitiveUnsigned> PartialEq<UnsignedVector<T>> for NaturalVector
where
    Natural: PartialEq<T>,
{
    /// Determines whether a [`NaturalVector`] is equal to an [`UnsignedVector`].
    ///
    /// The two are equal when they have the same dimension and equal elements in each position. So
    /// the 0-dimensional vectors are equal, and a [`NaturalVector`] with an element too large for
    /// `T` is equal to no [`UnsignedVector<T>`].
    ///
    /// # Worst-case complexity
    /// $T(n) = O(n)$
    ///
    /// $M(n) = O(1)$
    ///
    /// where $T$ is time, $M$ is additional memory, and $n$ is `self.dimension()`. Vectors of
    /// different dimensions are compared in constant time.
    ///
    /// # Examples
    /// See [here](super::partial_eq_unsigned_vector#partial_eq).
    fn eq(&self, other: &UnsignedVector<T>) -> bool {
        self.elements.len() == other.elements.len()
            && self
                .elements
                .iter()
                .zip(&other.elements)
                .all(|(x, y)| x == y)
    }
}

impl<T: PrimitiveUnsigned> PartialEq<NaturalVector> for UnsignedVector<T>
where
    Natural: PartialEq<T>,
{
    /// Determines whether an [`UnsignedVector`] is equal to a [`NaturalVector`].
    ///
    /// The two are equal when they have the same dimension and equal elements in each position, so
    /// the 0-dimensional vectors are equal.
    ///
    /// # Worst-case complexity
    /// $T(n) = O(n)$
    ///
    /// $M(n) = O(1)$
    ///
    /// where $T$ is time, $M$ is additional memory, and $n$ is `self.dimension()`. Vectors of
    /// different dimensions are compared in constant time.
    ///
    /// # Examples
    /// See [here](super::partial_eq_unsigned_vector#partial_eq).
    #[inline]
    fn eq(&self, other: &NaturalVector) -> bool {
        other == self
    }
}