ecrs 0.1.0-beta.4

Evolutionary computation tools & algorithms
Documentation 
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#[cfg(feature = "ga")]
use ecrs::ga;
#[cfg(feature = "ga")]
mod util;

#[allow(clippy::ptr_arg)]
#[cfg(feature = "ga")]
pub fn rastrigin_fitness(chromosome: &Vec<f64>) -> f64 {
    1000.0 * f64::exp(-rastrigin(chromosome))
}

#[cfg(feature = "ga")]
fn rastrigin(chromosome: &[f64]) -> f64 {
    10.0 * chromosome.len() as f64
        + chromosome.iter().fold(0.0, |sum, x| {
            sum + x.powi(2) - 10.0 * (2.0 * std::f64::consts::PI * x).cos()
        })
}

#[cfg(feature = "ga")]
fn main() {
    let _ = util::init_logging();

    let best_individual = ga::Builder::with_rvc()
        .set_max_duration(std::time::Duration::from_secs(10))
        .fitness_fn(rastrigin_fitness)
        .dim(5)
        .build()
        .run()
        .unwrap();

    println!("5D Rastrigin function zero approximation {best_individual:#?}")
}

#[cfg(not(feature = "ga"))]
fn main() {
    panic!("Required feature \"ga\" is not enabled");
}