malachite-q 0.9.2

The arbitrary-precision type Rational, with efficient algorithms partially derived from GMP and FLINT.
Documentation 
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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 malachite_base::test_util::bench::{BenchmarkType, run_benchmark};
use malachite_base::test_util::generators::common::{GenConfig, GenMode};
use malachite_base::test_util::runner::Runner;
use malachite_q::test_util::bench::bucketers::pair_2_rational_integer_max_bit_bucketer;
use malachite_q::test_util::generators::{rational_integer_pair_gen, rational_integer_pair_gen_rm};
use std::cmp::Ordering::*;

pub(crate) fn register(runner: &mut Runner) {
    register_demo!(runner, demo_rational_partial_cmp_integer);
    register_demo!(runner, demo_integer_partial_cmp_rational);
    register_bench!(
        runner,
        benchmark_rational_partial_cmp_integer_library_comparison
    );
    register_bench!(
        runner,
        benchmark_integer_partial_cmp_rational_library_comparison
    );
}

fn demo_rational_partial_cmp_integer(gm: GenMode, config: &GenConfig, limit: usize) {
    for (x, y) in rational_integer_pair_gen().get(gm, config).take(limit) {
        match x.partial_cmp(&y).unwrap() {
            Less => println!("{x} < {y}"),
            Equal => println!("{x} = {y}"),
            Greater => println!("{x} > {y}"),
        }
    }
}

fn demo_integer_partial_cmp_rational(gm: GenMode, config: &GenConfig, limit: usize) {
    for (x, y) in rational_integer_pair_gen().get(gm, config).take(limit) {
        match y.partial_cmp(&x).unwrap() {
            Less => println!("{y} < {x}"),
            Equal => println!("{y} = {x}"),
            Greater => println!("{y} > {x}"),
        }
    }
}

#[allow(unused_must_use)]
fn benchmark_rational_partial_cmp_integer_library_comparison(
    gm: GenMode,
    config: &GenConfig,
    limit: usize,
    file_name: &str,
) {
    run_benchmark(
        "Rational.partial_cmp(&Natural)",
        BenchmarkType::LibraryComparison,
        rational_integer_pair_gen_rm().get(gm, config),
        gm.name(),
        limit,
        file_name,
        &pair_2_rational_integer_max_bit_bucketer("x", "y"),
        &mut [
            ("Malachite", &mut |(_, (x, y))| no_out!(x.partial_cmp(&y))),
            ("rug", &mut |((x, y), _)| no_out!(x.partial_cmp(&y))),
        ],
    );
}

#[allow(unused_must_use)]
fn benchmark_integer_partial_cmp_rational_library_comparison(
    gm: GenMode,
    config: &GenConfig,
    limit: usize,
    file_name: &str,
) {
    run_benchmark(
        "Natural.partial_cmp(&Rational)",
        BenchmarkType::LibraryComparison,
        rational_integer_pair_gen_rm().get(gm, config),
        gm.name(),
        limit,
        file_name,
        &pair_2_rational_integer_max_bit_bucketer("x", "y"),
        &mut [
            ("Malachite", &mut |(_, (x, y))| no_out!(y.partial_cmp(&x))),
            ("rug", &mut |((x, y), _)| no_out!(y.partial_cmp(&x))),
        ],
    );
}