GAChromosome Class Reference

Chromosome class for genetic algorithm. More...

#include <GA/GAChromosome.H>

Public Member Functions
Constructor, destructor and initialization.

	GAChromosome ()
	Uninitialized constructor. Need to call resize() later.
	GAChromosome (const int N, const int *a)
	Construct from C array.
	GAChromosome (const int N)
	Construct random chromosome.
	GAChromosome (const GAChromosome &c)
	Copy constructor.
void	resize (const int N)
	Change size, do not initialize.
void	init (const int N, const int *a)
	Initialize from C array.
void	init (const int N)
	Initialize randomly.
	~GAChromosome ()
	Destructor.
Acces functions

int	get_size () const
	Return the size of the chromosome.
void	set_gene (const int i, const int a)
	Set the gene i to a.
int	get_gene (const int i) const
	Return the gene i.
void	set_fitness (const float a)
	Set the fitness to a.
float	get_fitness () const
	Return the fitness.
void	set_linear_fitness (const float a)
	Set the linear fitness to a.
float	get_linear_fitness () const
	Return the linear fitness.
void	set_breedings (const int a)
	Set breedings to a.
int	get_breedings () const
	Return the breedings.
Operators overloading

GAChromosome &	operator= (const GAChromosome &c)
	Overload of assignment operator.
bool	operator< (const GAChromosome &c) const
	Overload of less-than operator.
Evolve functions

void	mutation ()
	Change one gene randomly.
void	add_breeding ()
	Add one breeding.
void	use_breeding ()
	Use one breeding.
Friends
std::istream &	operator>> (std::istream &in, GAChromosome &c)
	<< overloading.
std::ostream &	operator<< (std::ostream &in, GAChromosome &c)
	>> overloading.

Detailed Description

Chromosome class for genetic algorithm.

This is a chromosome class for genetic algorithm, which is an array of genes (int with value of -1, 0 or 1).

Definition at line 47 of file GAChromosome.H.

Constructor & Destructor Documentation

GAChromosome::GAChromosome ( )

Uninitialized constructor. Need to call resize() later.

Definition at line 48 of file GAChromosome.C.

GAChromosome::GAChromosome	(	const int	N,
		const int *	a
	)

Construct from C array.

Definition at line 58 of file GAChromosome.C.

References init().

GAChromosome::GAChromosome ( const int N )

Construct random chromosome.

Definition at line 52 of file GAChromosome.C.

References init().

GAChromosome::GAChromosome ( const GAChromosome & c )

Copy constructor.

Definition at line 64 of file GAChromosome.C.

References init().

GAChromosome::~GAChromosome ( )

Destructor.

Definition at line 91 of file GAChromosome.C.

Member Function Documentation

void GAChromosome::add_breeding ( )

Add one breeding.

Definition at line 166 of file GAChromosome.C.

Referenced by GAPopulation::selection().

int GAChromosome::get_breedings ( ) const

Return the breedings.

Definition at line 141 of file GAChromosome.C.

Referenced by GAPopulation::crossover().

float GAChromosome::get_fitness ( ) const

Return the fitness.

Definition at line 119 of file GAChromosome.C.

Referenced by GAPopulation::compute_sigma(), and GAPopulation::linear_scaling().

int GAChromosome::get_gene ( const int i ) const

Return the gene i.

Definition at line 107 of file GAChromosome.C.

References ASSERT.

float GAChromosome::get_linear_fitness ( ) const

Return the linear fitness.

Definition at line 130 of file GAChromosome.C.

Referenced by GAPopulation::selection().

int GAChromosome::get_size ( ) const

Return the size of the chromosome.

Definition at line 96 of file GAChromosome.C.

Referenced by GAPopulation::set_chromosome().

void GAChromosome::init ( const int N )

Initialize randomly.

Definition at line 84 of file GAChromosome.C.

References resize().

void GAChromosome::init	(	const int	N,
		const int *	a
	)

Initialize from C array.

Definition at line 78 of file GAChromosome.C.

References resize().

Referenced by GAChromosome(), GAPopulation::init(), and operator=().

void GAChromosome::mutation ( )

Change one gene randomly.

Definition at line 160 of file GAChromosome.C.

Referenced by GAPopulation::mutate().

bool GAChromosome::operator< ( const GAChromosome & c ) const

Overload of less-than operator.

c1 < c2 if c1 as less breedings than c2

Definition at line 155 of file GAChromosome.C.

GAChromosome & GAChromosome::operator= ( const GAChromosome & c )

Overload of assignment operator.

Definition at line 146 of file GAChromosome.C.

References init().

void GAChromosome::resize ( const int N )

Change size, do not initialize.

Definition at line 71 of file GAChromosome.C.

Referenced by init(), and operator>>().

void GAChromosome::set_breedings ( const int a )

Set breedings to a.

Definition at line 135 of file GAChromosome.C.

References ASSERT.

void GAChromosome::set_fitness ( const float a )

Set the fitness to a.

Definition at line 113 of file GAChromosome.C.

References ASSERT.

void GAChromosome::set_gene	(	const int	i,
		const int	a
	)

Set the gene i to a.

Definition at line 101 of file GAChromosome.C.

References abs(), and ASSERT.

Referenced by GAPopulation::crossover().

void GAChromosome::set_linear_fitness ( const float a )

Set the linear fitness to a.

Definition at line 124 of file GAChromosome.C.

References ASSERT.

Referenced by GAPopulation::linear_scaling().

void GAChromosome::use_breeding ( )

Use one breeding.

Definition at line 171 of file GAChromosome.C.

References ASSERT.

Referenced by GAPopulation::crossover().

Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	in,
		GAChromosome &	c
	)			`[friend]`

>> overloading.

Definition at line 196 of file GAChromosome.C.

std::istream& operator>>	(	std::istream &	in,
		GAChromosome &	c
	)			`[friend]`

<< overloading.

Definition at line 177 of file GAChromosome.C.

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

src/GA/GAChromosome.H
src/GA/GAChromosome.C

GAChromosome Class Reference

Public Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation