malachite-nz 0.9.2

The bignum types Natural and Integer, 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::num::arithmetic::traits::{
    CeilingSqrt, CeilingSqrtAssign, CheckedSqrt, FloorSqrt, FloorSqrtAssign,
};
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_nz::test_util::bench::bucketers::{
    integer_bit_bucketer, triple_3_integer_bit_bucketer,
};
use malachite_nz::test_util::generators::{integer_gen_var_4, integer_gen_var_4_nrm};

pub(crate) fn register(runner: &mut Runner) {
    register_demo!(runner, demo_integer_floor_sqrt);
    register_demo!(runner, demo_integer_floor_sqrt_ref);
    register_demo!(runner, demo_integer_floor_sqrt_assign);
    register_demo!(runner, demo_integer_ceiling_sqrt);
    register_demo!(runner, demo_integer_ceiling_sqrt_ref);
    register_demo!(runner, demo_integer_ceiling_sqrt_assign);
    register_demo!(runner, demo_integer_checked_sqrt);
    register_demo!(runner, demo_integer_checked_sqrt_ref);
    register_bench!(runner, benchmark_integer_floor_sqrt_evaluation_strategy);
    register_bench!(runner, benchmark_integer_floor_sqrt_library_comparison);
    register_bench!(runner, benchmark_integer_floor_sqrt_assign);
    register_bench!(runner, benchmark_integer_ceiling_sqrt_evaluation_strategy);
    register_bench!(runner, benchmark_integer_ceiling_sqrt_assign);
    register_bench!(runner, benchmark_integer_checked_sqrt_evaluation_strategy);
}

fn demo_integer_floor_sqrt(gm: GenMode, config: &GenConfig, limit: usize) {
    for x in integer_gen_var_4().get(gm, config).take(limit) {
        println!("{}.floor_sqrt() = {}", x, x.clone().floor_sqrt());
    }
}

fn demo_integer_floor_sqrt_ref(gm: GenMode, config: &GenConfig, limit: usize) {
    for x in integer_gen_var_4().get(gm, config).take(limit) {
        println!("(&{}).floor_sqrt() = {}", x, (&x).floor_sqrt());
    }
}

fn demo_integer_floor_sqrt_assign(gm: GenMode, config: &GenConfig, limit: usize) {
    for mut x in integer_gen_var_4().get(gm, config).take(limit) {
        let old_x = x.clone();
        x.floor_sqrt_assign();
        println!("x := {old_x}; x.floor_sqrt_assign(); x = {x}");
    }
}

fn demo_integer_ceiling_sqrt(gm: GenMode, config: &GenConfig, limit: usize) {
    for x in integer_gen_var_4().get(gm, config).take(limit) {
        println!("{}.ceiling_sqrt() = {}", x, x.clone().ceiling_sqrt());
    }
}

fn demo_integer_ceiling_sqrt_ref(gm: GenMode, config: &GenConfig, limit: usize) {
    for x in integer_gen_var_4().get(gm, config).take(limit) {
        println!("(&{}).ceiling_sqrt() = {}", x, (&x).ceiling_sqrt());
    }
}

fn demo_integer_ceiling_sqrt_assign(gm: GenMode, config: &GenConfig, limit: usize) {
    for mut x in integer_gen_var_4().get(gm, config).take(limit) {
        let old_x = x.clone();
        x.ceiling_sqrt_assign();
        println!("x := {old_x}; x.ceiling_sqrt_assign(); x = {x}");
    }
}

fn demo_integer_checked_sqrt(gm: GenMode, config: &GenConfig, limit: usize) {
    for x in integer_gen_var_4().get(gm, config).take(limit) {
        println!("{}.checked_sqrt() = {:?}", x, x.clone().checked_sqrt());
    }
}

fn demo_integer_checked_sqrt_ref(gm: GenMode, config: &GenConfig, limit: usize) {
    for x in integer_gen_var_4().get(gm, config).take(limit) {
        println!("(&{}).checked_sqrt() = {:?}", x, (&x).checked_sqrt());
    }
}

fn benchmark_integer_floor_sqrt_evaluation_strategy(
    gm: GenMode,
    config: &GenConfig,
    limit: usize,
    file_name: &str,
) {
    run_benchmark(
        "Integer.floor_sqrt()",
        BenchmarkType::EvaluationStrategy,
        integer_gen_var_4().get(gm, config),
        gm.name(),
        limit,
        file_name,
        &integer_bit_bucketer("x"),
        &mut [
            ("Integer.floor_sqrt()", &mut |x| no_out!(x.floor_sqrt())),
            ("(&Integer).floor_sqrt()", &mut |x| {
                no_out!((&x).floor_sqrt());
            }),
        ],
    );
}

#[allow(unused_must_use)]
fn benchmark_integer_floor_sqrt_library_comparison(
    gm: GenMode,
    config: &GenConfig,
    limit: usize,
    file_name: &str,
) {
    run_benchmark(
        "Integer.floor_sqrt()",
        BenchmarkType::LibraryComparison,
        integer_gen_var_4_nrm().get(gm, config),
        gm.name(),
        limit,
        file_name,
        &triple_3_integer_bit_bucketer("x"),
        &mut [
            ("num", &mut |(x, _, _)| no_out!(x.sqrt())),
            ("rug", &mut |(_, x, _)| no_out!(x.sqrt())),
            ("Malachite", &mut |(_, _, x)| no_out!(x.floor_sqrt())),
        ],
    );
}

fn benchmark_integer_floor_sqrt_assign(
    gm: GenMode,
    config: &GenConfig,
    limit: usize,
    file_name: &str,
) {
    run_benchmark(
        "Integer.floor_sqrt_assign()",
        BenchmarkType::Single,
        integer_gen_var_4().get(gm, config),
        gm.name(),
        limit,
        file_name,
        &integer_bit_bucketer("x"),
        &mut [("Malachite", &mut |mut x| x.floor_sqrt_assign())],
    );
}

fn benchmark_integer_ceiling_sqrt_evaluation_strategy(
    gm: GenMode,
    config: &GenConfig,
    limit: usize,
    file_name: &str,
) {
    run_benchmark(
        "Integer.ceiling_sqrt()",
        BenchmarkType::EvaluationStrategy,
        integer_gen_var_4().get(gm, config),
        gm.name(),
        limit,
        file_name,
        &integer_bit_bucketer("x"),
        &mut [
            ("Integer.ceiling_sqrt()", &mut |x| no_out!(x.ceiling_sqrt())),
            ("(&Integer).ceiling_sqrt()", &mut |x| {
                no_out!((&x).ceiling_sqrt());
            }),
        ],
    );
}

fn benchmark_integer_ceiling_sqrt_assign(
    gm: GenMode,
    config: &GenConfig,
    limit: usize,
    file_name: &str,
) {
    run_benchmark(
        "Integer.ceiling_sqrt_assign()",
        BenchmarkType::Single,
        integer_gen_var_4().get(gm, config),
        gm.name(),
        limit,
        file_name,
        &integer_bit_bucketer("x"),
        &mut [("Malachite", &mut |mut x| x.ceiling_sqrt_assign())],
    );
}

fn benchmark_integer_checked_sqrt_evaluation_strategy(
    gm: GenMode,
    config: &GenConfig,
    limit: usize,
    file_name: &str,
) {
    run_benchmark(
        "Integer.checked_sqrt()",
        BenchmarkType::EvaluationStrategy,
        integer_gen_var_4().get(gm, config),
        gm.name(),
        limit,
        file_name,
        &integer_bit_bucketer("x"),
        &mut [
            ("Integer.checked_sqrt()", &mut |x| no_out!(x.checked_sqrt())),
            ("(&Integer).checked_sqrt()", &mut |x| {
                no_out!((&x).checked_sqrt());
            }),
        ],
    );
}