Macro simple_optimization::random_search
source · [−]macro_rules! random_search {
(
// Generic
($($x:expr),*),
$f: expr,
$evaluation_data: expr,
$polling: expr,
$threads: expr,
// Specific
$iterations: expr,
) => { ... };
}
Expand description
Castes all given ranges to f64
values and calls random_search()
.
use std::sync::Arc;
use simple_optimization::{random_search, Polling};
fn simple_function(list: &[f64; 3], _: Option<Arc::<()>>) -> f64 { list.iter().sum() }
let best = random_search!(
(0f64..10f64, 5u32..15u32, 10i16..20i16), // Value ranges.
simple_function, // Evaluation function.
None, // No additional evaluation data.
// By using `new` this defaults to polling every `10ms`, we also print progress `true` and exit early if `19.` or less is reached.
Some(Polling::new(true,Some(19.))),
None, // We don't specify the number of threads.
1000, // Take `1000` samples (split between threads, so each thread only takes `1000/n` samples).
);
assert!(simple_function(&best, None) < 19.);