RouletteWheelSelection Class Reference

#include <RouletteWheelSelection.h>

Inheritance diagram for RouletteWheelSelection:

Collaboration diagram for RouletteWheelSelection:

Public Member Functions
	RouletteWheelSelection (const Algorithm_Parameters &params)
	Constructs a RouletteWheelSelection object with specified algorithm parameters.
void	setPopulation (const std::vector< Individual > &population, std::vector< Individual > &selected)
	Sets the population and selected vectors for the selection operation.
void	setIndividual (Individual &individual)
	Sets the individual to be mutated.
void	setParents (Individual &offspring, const Individual &parent1, const Individual &parent2)
	Sets the parents and offspring for the crossover operation.
void	apply (std::mt19937 &generator) override
	Performs the roulette wheel selection operation.
Public Member Functions inherited from Operator
virtual	~Operator ()=default
	Virtual destructor for the Operator class.

Private Attributes
std::vector< Individual > *	selected
const std::vector< Individual > *	population
int	populationSize

Constructor & Destructor Documentation

RouletteWheelSelection()

RouletteWheelSelection::RouletteWheelSelection

(

const Algorithm_Parameters &

params

)

Constructs a RouletteWheelSelection object with specified algorithm parameters.

Parameters

params

The algorithm parameters.

Member Function Documentation

apply()

void RouletteWheelSelection::apply ( std::mt19937 & generator )

overridevirtual

Performs the roulette wheel selection operation.

This method selects individuals from the population based on fitness-proportional selection and stores the selected individuals in the provided vector.

Parameters

generator

The random number generator used for selection.

Implements Operator.

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setIndividual()

void RouletteWheelSelection::setIndividual ( Individual & individual )

inlinevirtual

Sets the individual to be mutated.

Parameters

individual	The individual to be mutated.
individual	The individual to be mutated.

Implements Operator.

setParents()

void RouletteWheelSelection::setParents ( Individual & offspring, const Individual & parent1, const Individual & parent2 )

inlinevirtual

Sets the parents and offspring for the crossover operation.

This method is not used by the RouletteWheelSelection operator.

Parameters

offspring	The offspring individual to be generated.
parent1	The first parent individual.
parent2	The second parent individual.

Implements Operator.

setPopulation()

void RouletteWheelSelection::setPopulation ( const std::vector< Individual > & population, std::vector< Individual > & selected )

virtual

Sets the population and selected vectors for the selection operation.

Parameters

population	The vector of individuals in the population.
selected	The vector of selected individuals.

Implements Operator.

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Field Documentation

population

const std::vector<Individual>* RouletteWheelSelection::population

private

Pointer to the vector of individuals in the population

populationSize

int RouletteWheelSelection::populationSize

private

Size of the population

selected

std::vector<Individual>* RouletteWheelSelection::selected

private

Pointer to the vector of selected individuals

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The documentation for this class was generated from the following files:

• include/operators/Selection/RouletteWheelSelection.h
• src/operators/Selection/RouletteWheelSelection.cpp