XCSF data structures. More...

#include "utils.h"
#include <errno.h>
#include <float.h>
#include <inttypes.h>
#include <limits.h>
#include <math.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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Data Structures
struct	Cl
	Classifier data structure. More...

struct	Clist
	Classifier linked list. More...

struct	Set
	Classifier set. More...

struct	XCSF
	XCSF data structure. More...

struct	Input
	Input data structure. More...

Functions
size_t	xcsf_load (struct XCSF xcsf, const char filename)
	Reads the state of XCSF from a file.

size_t	xcsf_save (const struct XCSF xcsf, const char filename)
	Writes the current state of XCSF to a file.

void	xcsf_free (struct XCSF *xcsf)
	Frees XCSF population sets.

void	xcsf_init (struct XCSF *xcsf)
	Initialises XCSF with an empty population.

void	xcsf_print_pset (const struct XCSF *xcsf, const bool print_cond, const bool print_act, const bool print_pred)
	Prints the current XCSF population.

void	xcsf_ae_to_classifier (struct XCSF *xcsf, const int y_dim, const int n_del)
	Switches from autoencoding to classification.

void	xcsf_pred_expand (const struct XCSF *xcsf)
	Inserts a new hidden layer before the output layer within all prediction neural networks in the population.

void	xcsf_retrieve_pset (struct XCSF *xcsf)
	Retrieves the previously stored population.

void	xcsf_store_pset (struct XCSF *xcsf)
	Stores the current population.

Variables
static const int	VERSION_MAJOR = 1
	XCSF major version number.

static const int	VERSION_MINOR = 4
	XCSF minor version number.

static const int	VERSION_BUILD = 8
	XCSF build version number.

Detailed Description

XCSF data structures.

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

Copyright: The Authors.

Date: 2019–2025.

Definition in file xcsf.h.

Function Documentation

◆ xcsf_ae_to_classifier()

void xcsf_ae_to_classifier	(	struct XCSF *	xcsf,
		const int	y_dim,
		const int	n_del
	)

Switches from autoencoding to classification.

Parameters

[in]	xcsf	The XCSF data structure.
[in]	y_dim	The output dimension (i.e., the number of classes).
[in]	n_del	The number of hidden layers to remove.

Definition at line 171 of file xcsf.c.

References Clist::cl, Cl::err, Cl::exp, Cl::fit, LOSS_ONEHOT, Clist::next, pa_free(), pa_init(), param_set_loss_func(), param_set_y_dim(), pred_neural_ae_to_classifier(), Cl::prediction, and Cl::time.

Referenced by XCS::ae_to_classifier().

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◆ xcsf_free()

void xcsf_free ( struct XCSF * xcsf )

Frees XCSF population sets.

Parameters

[in] xcsf The XCSF data structure.

Definition at line 56 of file xcsf.c.

References clset_kill(), and pa_free().

Referenced by XCS::fit(), and main().

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◆ xcsf_init()

void xcsf_init ( struct XCSF * xcsf )

Initialises XCSF with an empty population.

Parameters

[in] xcsf The XCSF data structure.

Definition at line 37 of file xcsf.c.

References clset_init(), clset_pset_init(), and pa_init().

Referenced by XCS::fit(), main(), XCS::XCS(), and XCS::XCS().

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◆ xcsf_load()

size_t xcsf_load	(	struct XCSF *	xcsf,
		const char *	filename
	)

Reads the state of XCSF from a file.

Parameters

[in]	xcsf	The XCSF data structure.
[in]	filename	The name of the input file.

Returns: The total number of elements read.

Definition at line 114 of file xcsf.c.

References clset_init(), clset_kill(), clset_pset_load(), param_load(), VERSION_MAJOR, and VERSION_MINOR.

Referenced by XCS::deserialize(), XCS::load(), and main().

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◆ xcsf_pred_expand()

void xcsf_pred_expand ( const struct XCSF * xcsf )

Inserts a new hidden layer before the output layer within all prediction neural networks in the population.

Parameters

[in] xcsf The XCSF data structure.

Definition at line 151 of file xcsf.c.

References Clist::cl, Cl::err, Cl::exp, Cl::fit, Clist::next, pred_neural_expand(), and Cl::time.

Referenced by XCS::pred_expand().

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◆ xcsf_print_pset()

void xcsf_print_pset	(	const struct XCSF *	xcsf,
		const bool	print_cond,
		const bool	print_act,
		const bool	print_pred
	)

Prints the current XCSF population.

Parameters

[in]	xcsf	The XCSF data structure.
[in]	print_cond	Whether to print condition structures.
[in]	print_act	Whether to print action structures.
[in]	print_pred	Whether to print prediction structures.