cond_rectangle.c File Reference

Hyperrectangle condition functions. More...

#include "cond_rectangle.h"
#include "ea.h"
#include "sam.h"
#include "utils.h"

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Macros
#define	N_MU   (1)
	Number of hyperrectangle mutation rates.

Functions
void	cond_rectangle_init (const struct XCSF *xcsf, struct Cl *c)
	Creates and initialises a hyperrectangle condition.
void	cond_rectangle_free (const struct XCSF *xcsf, const struct Cl *c)
	Frees the memory used by a hyperrectangle condition.
void	cond_rectangle_copy (const struct XCSF *xcsf, struct Cl *dest, const struct Cl *src)
	Copies a hyperrectangle condition from one classifier to another.
void	cond_rectangle_cover (const struct XCSF *xcsf, const struct Cl *c, const double *x)
	Generates a hyperrectangle that matches the current input.
void	cond_rectangle_update (const struct XCSF *xcsf, const struct Cl *c, const double *x, const double *y)
	Updates a hyperrectangle, sliding the centers towards the mean input.
bool	cond_rectangle_match (const struct XCSF *xcsf, const struct Cl *c, const double *x)
	Calculates whether a hyperrectangle condition matches an input.
bool	cond_rectangle_crossover (const struct XCSF *xcsf, const struct Cl *c1, const struct Cl *c2)
	Performs uniform crossover with two hyperrectangle conditions.
bool	cond_rectangle_mutate (const struct XCSF *xcsf, const struct Cl *c)
	Mutates a hyperrectangle condition with the self-adaptive rate.
bool	cond_rectangle_general (const struct XCSF *xcsf, const struct Cl *c1, const struct Cl *c2)
	Returns whether classifier c1 has a condition more general than c2.
void	cond_rectangle_print (const struct XCSF *xcsf, const struct Cl *c)
	Prints a hyperrectangle condition.
double	cond_rectangle_size (const struct XCSF *xcsf, const struct Cl *c)
	Returns the size of a hyperrectangle condition.
size_t	cond_rectangle_save (const struct XCSF *xcsf, const struct Cl *c, FILE *fp)
	Writes a hyperrectangle condition to a file.
size_t	cond_rectangle_load (const struct XCSF *xcsf, struct Cl *c, FILE *fp)
	Reads a hyperrectangle condition from a file.
char *	cond_rectangle_json_export (const struct XCSF *xcsf, const struct Cl *c)
	Returns a json formatted string representation of a hyperrectangle.
void	cond_rectangle_json_import (const struct XCSF *xcsf, struct Cl *c, const cJSON *json)
	Creates a hyperrectangle from a cJSON object.

Variables
static const int	MU_TYPE [(1)] = { (0) }
	Self-adaptation method for mutating hyperrectangles.

Detailed Description

Hyperrectangle condition functions.

Author

Richard Preen rpree.nosp@m.n@gm.nosp@m.ail.c.nosp@m.om

Copyright

The Authors.

Date

2019–2023.

Definition in file cond_rectangle.c.

Macro Definition Documentation

N_MU

#define N_MU   (1)

Number of hyperrectangle mutation rates.

Definition at line 29 of file cond_rectangle.c.

Function Documentation

cond_rectangle_copy()

void cond_rectangle_copy	(	const struct XCSF *	xcsf,
		struct Cl *	dest,
		const struct Cl *	src
	)

Copies a hyperrectangle condition from one classifier to another.

Parameters

[in]	xcsf	XCSF data structure.
[in]	dest	Destination classifier.
[in]	src	Source classifier.

Definition at line 86 of file cond_rectangle.c.

References CondRectangle::b1, CondRectangle::b2, Cl::cond, CondRectangle::mu, and N_MU.

cond_rectangle_cover()

void cond_rectangle_cover	(	const struct XCSF *	xcsf,
		const struct Cl *	c,
		const double *	x
	)

Generates a hyperrectangle that matches the current input.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition is being covered.
[in]	x	Input state to cover.

Definition at line 107 of file cond_rectangle.c.

References CondRectangle::b1, CondRectangle::b2, Cl::cond, COND_TYPE_HYPERRECTANGLE_CSR, and rand_uniform().

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cond_rectangle_crossover()

bool cond_rectangle_crossover	(	const struct XCSF *	xcsf,
		const struct Cl *	c1,
		const struct Cl *	c2
	)

Performs uniform crossover with two hyperrectangle conditions.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c1	First classifier whose condition is being crossed.
[in]	c2	Second classifier whose condition is being crossed.

Returns

Whether any alterations were made.

Definition at line 188 of file cond_rectangle.c.

References CondRectangle::b1, CondRectangle::b2, Cl::cond, and rand_uniform().

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cond_rectangle_free()

void cond_rectangle_free	(	const struct XCSF *	xcsf,
		const struct Cl *	c
	)

Frees the memory used by a hyperrectangle condition.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition is to be freed.

Definition at line 69 of file cond_rectangle.c.

References CondRectangle::b1, CondRectangle::b2, Cl::cond, and CondRectangle::mu.

cond_rectangle_general()

bool cond_rectangle_general	(	const struct XCSF *	xcsf,
		const struct Cl *	c1,
		const struct Cl *	c2
	)

Returns whether classifier c1 has a condition more general than c2.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c1	Classifier whose condition is tested to be more general.
[in]	c2	Classifier whose condition is tested to be more specific.

Returns

Whether the hyperrectangle condition of c1 is more general than c2.

Definition at line 256 of file cond_rectangle.c.

References CondRectangle::b1, CondRectangle::b2, Cl::cond, and COND_TYPE_HYPERRECTANGLE_CSR.

cond_rectangle_init()

void cond_rectangle_init	(	const struct XCSF *	xcsf,
		struct Cl *	c
	)

Creates and initialises a hyperrectangle condition.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition is to be initialised.

Definition at line 42 of file cond_rectangle.c.

References Cl::cond, COND_TYPE_HYPERRECTANGLE_CSR, MU_TYPE, N_MU, rand_uniform(), and sam_init().

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cond_rectangle_json_export()

char * cond_rectangle_json_export	(	const struct XCSF *	xcsf,
		const struct Cl *	c
	)

Returns a json formatted string representation of a hyperrectangle.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition is to be returned.

Returns

String encoded in json format.

Definition at line 358 of file cond_rectangle.c.

References CondRectangle::b1, CondRectangle::b2, Cl::cond, COND_TYPE_HYPERRECTANGLE_CSR, CondRectangle::mu, and N_MU.

Referenced by cond_rectangle_print().

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cond_rectangle_json_import()

void cond_rectangle_json_import	(	const struct XCSF *	xcsf,
		struct Cl *	c,
		const cJSON *	json
	)

Creates a hyperrectangle from a cJSON object.

Parameters

[in]	xcsf	The XCSF data structure.
[in,out]	c	The classifier to initialise.
[in]	json	cJSON object.

Definition at line 387 of file cond_rectangle.c.

References CondRectangle::b1, CondRectangle::b2, Cl::cond, COND_TYPE_HYPERRECTANGLE_CSR, CondRectangle::mu, N_MU, and sam_json_import().

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cond_rectangle_load()

size_t cond_rectangle_load	(	const struct XCSF *	xcsf,
		struct Cl *	c,
		FILE *	fp
	)

Reads a hyperrectangle condition from a file.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition is to be read.
[in]	fp	Pointer to the file to be read.

Returns

The number of elements read.

Definition at line 337 of file cond_rectangle.c.

References Cl::cond, and N_MU.

cond_rectangle_match()

bool cond_rectangle_match	(	const struct XCSF *	xcsf,
		const struct Cl *	c,
		const double *	x
	)

Calculates whether a hyperrectangle condition matches an input.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition to match.
[in]	x	Input state.

Returns

Whether the hyperrectangle condition matches the input.

Definition at line 156 of file cond_rectangle.c.

References CondRectangle::b1, CondRectangle::b2, Cl::cond, and COND_TYPE_HYPERRECTANGLE_CSR.

cond_rectangle_mutate()

bool cond_rectangle_mutate	(	const struct XCSF *	xcsf,
		const struct Cl *	c
	)

Mutates a hyperrectangle condition with the self-adaptive rate.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition is being mutated.

Returns

Whether any alterations were made.

Definition at line 220 of file cond_rectangle.c.

References CondRectangle::b1, CondRectangle::b2, clamp(), Cl::cond, COND_TYPE_HYPERRECTANGLE_CSR, CondRectangle::mu, MU_TYPE, N_MU, rand_normal(), and sam_adapt().

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cond_rectangle_print()

void cond_rectangle_print	(	const struct XCSF *	xcsf,
		const struct Cl *	c
	)

Prints a hyperrectangle condition.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition is to be printed.

Definition at line 291 of file cond_rectangle.c.

References cond_rectangle_json_export().

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cond_rectangle_save()

size_t cond_rectangle_save	(	const struct XCSF *	xcsf,
		const struct Cl *	c,
		FILE *	fp
	)

Writes a hyperrectangle condition to a file.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition is to be written.
[in]	fp	Pointer to the file to be written.

Returns

The number of elements written.

Definition at line 319 of file cond_rectangle.c.

References CondRectangle::b1, CondRectangle::b2, Cl::cond, CondRectangle::mu, and N_MU.

cond_rectangle_size()

double cond_rectangle_size	(	const struct XCSF *	xcsf,
		const struct Cl *	c
	)

Returns the size of a hyperrectangle condition.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition size to return.

Returns

The length of the input dimension.

Definition at line 305 of file cond_rectangle.c.

cond_rectangle_update()

void cond_rectangle_update	(	const struct XCSF *	xcsf,
		const struct Cl *	c,
		const double *	x,
		const double *	y
	)

Updates a hyperrectangle, sliding the centers towards the mean input.

Parameters

[in]	xcsf	XCSF data structure.
[in]	c	Classifier whose condition is to be updated.
[in]	x	Input state.
[in]	y	Truth/payoff value.

Definition at line 135 of file cond_rectangle.c.

References CondRectangle::b1, Cl::cond, and COND_TYPE_HYPERRECTANGLE_CSR.

Variable Documentation

MU_TYPE

const int MU_TYPE[(1)] = { (0) }

static

Self-adaptation method for mutating hyperrectangles.

Definition at line 34 of file cond_rectangle.c.

Referenced by cond_rectangle_init(), and cond_rectangle_mutate().