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// Copyright © 2024 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::num::arithmetic::traits::{WrappingDiv, WrappingDivAssign};
macro_rules! impl_wrapping_div {
($t:ident) => {
impl WrappingDiv<$t> for $t {
type Output = $t;
/// This is a wrapper over the `wrapping_div` functions in the standard library, for
/// example [this one](u32::wrapping_div).
#[inline]
fn wrapping_div(self, other: $t) -> $t {
$t::wrapping_div(self, other)
}
}
impl WrappingDivAssign<$t> for $t {
/// Divides a number by another number in place, wrapping around at the boundary of the
/// type.
///
/// Wrapping only occurs when `Self` is signed, `self` is `Self::MIN`, and `other` is
/// -1. The "actual" result, `-Self::MIN`, can't be represented and is wrapped back to
/// `Self::MIN`.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// See [here](super::wrapping_div#wrapping_div_assign).
#[inline]
fn wrapping_div_assign(&mut self, other: $t) {
*self = self.wrapping_div(other);
}
}
};
}
apply_to_primitive_ints!(impl_wrapping_div);