radiate_engines/builder/
species.rs

1use crate::GeneticEngineBuilder;
2use radiate_core::{Chromosome, Diversity};
3use std::sync::Arc;
4
5#[derive(Clone)]
6pub struct SpeciesParams<C: Chromosome> {
7    pub diversity: Option<Arc<dyn Diversity<C>>>,
8    pub species_threshold: f32,
9    pub max_species_age: usize,
10}
11
12impl<C, T> GeneticEngineBuilder<C, T>
13where
14    C: Chromosome + PartialEq + Clone,
15    T: Clone + Send,
16{
17    pub fn boxed_diversity(mut self, diversity: Option<Box<dyn Diversity<C>>>) -> Self {
18        self.params.species_params.diversity = diversity.map(|d| d.into());
19        self
20    }
21
22    pub fn diversity<D: Diversity<C> + 'static>(mut self, diversity: D) -> Self {
23        self.params.species_params.diversity = Some(Arc::new(diversity));
24        self
25    }
26
27    pub fn species_threshold(mut self, threshold: f32) -> Self {
28        self.add_error_if(
29            || threshold < 0.0,
30            "species_threshold must be greater than 0",
31        );
32
33        self.params.species_params.species_threshold = threshold;
34        self
35    }
36
37    pub fn max_species_age(mut self, max_species_age: usize) -> Self {
38        self.add_error_if(
39            || max_species_age < 1,
40            "max_species_age must be greater than 0",
41        );
42
43        self.params.species_params.max_species_age = max_species_age;
44        self
45    }
46}
radiate_engines/builder/species.rs

radiate_engines/builder/
species.rs
