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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::Rational;
use core::fmt::{Debug, Display, Formatter, Result, Write};
impl Display for Rational {
/// Converts a [`Rational`] to a [`String`].
///
/// # Worst-case complexity
/// $T(n) = O(n (\log n)^2 \log\log n)$
///
/// $M(n) = O(n \log n)$
///
/// where $T$ is time, $M$ is additional memory, and $n$ is `self.significant_bits()`.
///
/// # Examples
/// ```
/// use malachite_base::num::basic::traits::Zero;
/// use malachite_q::Rational;
/// use std::str::FromStr;
///
/// assert_eq!(Rational::ZERO.to_string(), "0");
/// assert_eq!(Rational::from(123).to_string(), "123");
/// assert_eq!(Rational::from_str("22/7").unwrap().to_string(), "22/7");
/// ```
fn fmt(&self, f: &mut Formatter) -> Result {
if !self.sign {
f.write_char('-')?;
}
let result = Display::fmt(&self.numerator, f);
if self.denominator != 1 {
f.write_char('/')?;
Display::fmt(&self.denominator, f)
} else {
result
}
}
}
impl Debug for Rational {
/// Converts a [`Rational`] to a [`String`].
///
/// This is the same implementation as for [`Display`].
///
/// # Worst-case complexity
/// $T(n) = O(n (\log n)^2 \log\log n)$
///
/// $M(n) = O(n \log n)$
///
/// where $T$ is time, $M$ is additional memory, and $n$ is `self.significant_bits()`.
///
/// # Examples
/// ```
/// use malachite_base::num::basic::traits::Zero;
/// use malachite_base::strings::ToDebugString;
/// use malachite_q::Rational;
///
/// assert_eq!(Rational::ZERO.to_debug_string(), "0");
/// assert_eq!(Rational::from(123).to_debug_string(), "123");
/// assert_eq!(Rational::from_signeds(22, 7).to_debug_string(), "22/7");
/// ```
#[inline]
fn fmt(&self, f: &mut Formatter) -> Result {
Display::fmt(self, f)
}
}