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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::num::arithmetic::traits::{
RotateLeft, RotateLeftAssign, RotateRight, RotateRightAssign,
};
use crate::num::conversion::traits::WrappingFrom;
macro_rules! impl_rotate {
($t:ident) => {
impl RotateLeft for $t {
type Output = $t;
/// This is a wrapper over the `rotate_left` functions in the standard library, for
/// example [this one](u32::rotate_left).
#[inline]
fn rotate_left(self, n: u64) -> $t {
$t::rotate_left(self, u32::wrapping_from(n))
}
}
impl RotateLeftAssign for $t {
/// Rotates a number left, in place.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// See [here](super::rotate#rotate_left_assign).
#[inline]
fn rotate_left_assign(&mut self, n: u64) {
*self = self.rotate_left(u32::wrapping_from(n));
}
}
impl RotateRight for $t {
type Output = $t;
/// This is a wrapper over the `rotate_right` functions in the standard library, for
/// example [this one](u32::rotate_right).
#[inline]
fn rotate_right(self, n: u64) -> $t {
$t::rotate_right(self, u32::wrapping_from(n))
}
}
impl RotateRightAssign for $t {
/// Rotates a number right, in place.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// See [here](super::rotate#rotate_right_assign).
#[inline]
fn rotate_right_assign(&mut self, n: u64) {
*self = self.rotate_right(u32::wrapping_from(n));
}
}
};
}
apply_to_primitive_ints!(impl_rotate);