Struct genetic_algorithm::crossover::CrossoverMultiPoint

pub struct CrossoverMultiPoint {
    pub number_of_crossovers: usize,
    pub allow_duplicates: bool,
}

Crossover multiple gene positions from which on the rest of the genes are taken from the other parent. This goes back and forth. The gene positions are chosen with uniform probability. Choose between allowing duplicate crossovers on the same point or not (not much slower, as crossover itself is relatively expensive). The population is restored towards the target_population_size by keeping the best parents alive. Excess parents are dropped.

Not allowed for UniqueGenotype as it would not preserve the gene uniqueness in the children. Allowed for MultiUniqueGenotype as there are valid crossover points between each new set

Fields

number_of_crossovers: usize

allow_duplicates: bool

Implementations

impl MultiPoint

pub fn new(number_of_crossovers: usize, allow_duplicates: bool) -> Self

Trait Implementations

impl Clone for MultiPoint

fn clone(&self) -> MultiPoint

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Crossover for MultiPoint

fn call<G: Genotype, R: Rng, SR: EvolveReporter<Genotype = G>>( &mut self, genotype: &G, state: &mut EvolveState<G>, config: &EvolveConfig, _reporter: &mut SR, rng: &mut R, )

fn require_crossover_points(&self) -> bool

to guard against invalid Crossover strategies which break the internal consistency of the genes, unique genotypes can’t simply exchange genes without gene duplication issues

fn prepare_population<G: Genotype>( &mut self, state: &mut EvolveState<G>, config: &EvolveConfig, ) -> usize

The population is restored towards the target_population_size by keeping the best parents alive. Excess parents are dropped. The number of crossovers to execute from the front of the population is returned

fn require_crossover_indexes(&self) -> bool

to guard against invalid Crossover strategies which break the internal consistency of the genes, unique genotypes can’t simply exchange genes without gene duplication issues

impl Debug for MultiPoint

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<MultiPoint> for Wrapper

fn from(crossover: CrossoverMultiPoint) -> Self

Converts to this type from the input type.