radiate_engines/builder/
species.rs

1use crate::GeneticEngineBuilder;
2use radiate_core::{Chromosome, Diversity, Rate};
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: Rate,
9    pub max_species_age: usize,
10    pub target_species_count: Option<usize>,
11}
12
13impl<C, T> GeneticEngineBuilder<C, T>
14where
15    C: Chromosome + PartialEq + Clone,
16    T: Clone + Send,
17{
18    pub fn boxed_diversity(mut self, diversity: Option<Box<dyn Diversity<C>>>) -> Self {
19        self.params.species_params.diversity = diversity.map(|d| d.into());
20        self
21    }
22
23    pub fn diversity<D: Diversity<C> + 'static>(mut self, diversity: D) -> Self {
24        self.params.species_params.diversity = Some(Arc::new(diversity));
25        self
26    }
27
28    pub fn species_threshold(mut self, threshold: impl Into<Rate>) -> Self {
29        self.params.species_params.species_threshold = threshold.into();
30        self
31    }
32
33    pub fn max_species_age(mut self, max_species_age: usize) -> Self {
34        self.add_error_if(
35            || max_species_age < 1,
36            "max_species_age must be greater than 0",
37        );
38
39        self.params.species_params.max_species_age = max_species_age;
40        self
41    }
42
43    pub fn target_species(mut self, target_species_count: usize) -> Self {
44        self.add_error_if(
45            || target_species_count < 1,
46            "target_species_count must be greater than 0",
47        );
48
49        self.params.species_params.target_species_count = Some(target_species_count);
50        self
51    }
52}
radiate_engines/builder/species.rs

radiate_engines/builder/
species.rs
