use malachite_base::num::basic::traits::One;
use malachite_base::num::conversion::traits::ExactFrom;
use malachite_base::num::float::NiceFloat;
use malachite_base::test_util::bench::{run_benchmark, BenchmarkType};
use malachite_base::test_util::generators::common::{GenConfig, GenMode};
use malachite_base::test_util::runner::Runner;
use malachite_nz::natural::exhaustive::exhaustive_natural_inclusive_range;
use malachite_nz::natural::Natural;
use malachite_q::arithmetic::traits::{Approximate, ApproximateAssign};
use malachite_q::test_util::arithmetic::approximate::approximate_naive;
use malachite_q::test_util::bench::bucketers::pair_1_rational_bit_bucketer;
use malachite_q::test_util::generators::{
rational_gen_var_7, rational_natural_pair_gen_var_3, rational_natural_pair_gen_var_4,
};
pub(crate) fn register(runner: &mut Runner) {
register_demo!(runner, demo_rational_approximate_assign);
register_demo!(runner, demo_rational_approximate);
register_demo!(runner, demo_rational_approximate_ref);
register_demo!(runner, demo_rational_approximate_2);
register_bench!(runner, benchmark_rational_approximate_assign);
register_bench!(runner, benchmark_rational_approximate_algorithms);
register_bench!(runner, benchmark_rational_approximate_evaluation_strategy);
}
fn demo_rational_approximate_assign(gm: GenMode, config: GenConfig, limit: usize) {
for (mut x, y) in rational_natural_pair_gen_var_3()
.get(gm, &config)
.take(limit)
{
let x_old = x.clone();
x.approximate_assign(&y);
println!("x := {}; x.approximate_assign({}); x = {}", x_old, y, x);
}
}
fn demo_rational_approximate(gm: GenMode, config: GenConfig, limit: usize) {
for (x, y) in rational_natural_pair_gen_var_3()
.get(gm, &config)
.take(limit)
{
println!("({}).approximate({}) = {}", x.clone(), y, x.approximate(&y));
}
}
fn demo_rational_approximate_ref(gm: GenMode, config: GenConfig, limit: usize) {
for (x, y) in rational_natural_pair_gen_var_3()
.get(gm, &config)
.take(limit)
{
println!("(&{}).approximate({}) = {}", x, y, (&x).approximate(&y));
}
}
fn demo_rational_approximate_2(gm: GenMode, config: GenConfig, limit: usize) {
for x in rational_gen_var_7().get(gm, &config).take(limit) {
println!("{}", x);
for d in exhaustive_natural_inclusive_range(Natural::ONE, x.to_denominator()) {
let a = (&x).approximate(&d);
println!(" {}: {} ≈ {}", d, a, NiceFloat(f64::exact_from(&a)));
}
}
}
fn benchmark_rational_approximate_assign(
gm: GenMode,
config: GenConfig,
limit: usize,
file_name: &str,
) {
run_benchmark(
"Rational.approximate_assign(&Natural)",
BenchmarkType::Single,
rational_natural_pair_gen_var_3().get(gm, &config),
gm.name(),
limit,
file_name,
&pair_1_rational_bit_bucketer("n"),
&mut [("Malachite", &mut |(mut x, y)| x.approximate_assign(&y))],
);
}
fn benchmark_rational_approximate_algorithms(
gm: GenMode,
config: GenConfig,
limit: usize,
file_name: &str,
) {
run_benchmark(
"Rational.approximate(&Natural)",
BenchmarkType::Algorithms,
rational_natural_pair_gen_var_4().get(gm, &config),
gm.name(),
limit,
file_name,
&pair_1_rational_bit_bucketer("n"),
&mut [
("default", &mut |(x, y)| no_out!(x.approximate(&y))),
("naive", &mut |(x, y)| no_out!(approximate_naive(&x, &y))),
],
);
}
fn benchmark_rational_approximate_evaluation_strategy(
gm: GenMode,
config: GenConfig,
limit: usize,
file_name: &str,
) {
run_benchmark(
"Rational.approximate(&Natural)",
BenchmarkType::EvaluationStrategy,
rational_natural_pair_gen_var_3().get(gm, &config),
gm.name(),
limit,
file_name,
&pair_1_rational_bit_bucketer("n"),
&mut [
("Rational.approximate(&Natural)", &mut |(x, y)| {
no_out!(x.approximate(&y))
}),
("(&Rational).approximate(&Natural)", &mut |(x, y)| {
no_out!((&x).approximate(&y))
}),
],
);
}