An implementation of dynamical GP graphs with fuzzy activations. More...

#include "xcsf.h"

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Data Structures
struct	ArgsDGP
	Parameters for initialising DGP graphs. More...

struct	Graph
	Dynamical GP graph data structure. More...

Functions
bool	graph_mutate (struct Graph *dgp)
	Mutates a specified DGP graph. More...

char *	graph_json_export (const struct Graph *dgp)
	Returns a json formatted string representation of a DGP graph. More...

void	graph_json_import (struct Graph dgp, const struct ArgsDGP args, const cJSON *json)
	Creates a DGP graph from a cJSON object. More...

double	graph_output (const struct Graph *dgp, const int IDX)
	Returns the current state of a specified node in the graph. More...

size_t	graph_load (struct Graph dgp, FILE fp)
	Reads DGP graph from a file. More...

size_t	graph_save (const struct Graph dgp, FILE fp)
	Writes DGP graph to a file. More...

void	graph_copy (struct Graph dest, const struct Graph src)
	Copies a DGP graph. More...

void	graph_free (const struct Graph *dgp)
	Frees a DGP graph. More...

void	graph_init (struct Graph dgp, const struct ArgsDGP args)
	Initialises a new DGP graph. More...

void	graph_print (const struct Graph *dgp)
	Prints a DGP graph. More...

void	graph_rand (struct Graph *dgp)
	Randomises a specified DGP graph. More...

void	graph_reset (const struct Graph *dgp)
	Resets the states to their initial state. More...

void	graph_update (const struct Graph dgp, const double inputs, const bool reset)
	Updates a DGP graph T cycles. More...

void	graph_args_init (struct ArgsDGP *args)
	Sets DGP parameters to default values. More...

char *	graph_args_json_import (struct ArgsDGP args, cJSON json)
	Sets the DGP graph parameters from a cJSON object. More...

char *	graph_args_json_export (const struct ArgsDGP *args)
	Returns a json formatted string of the DGP parameters. More...

size_t	graph_args_save (const struct ArgsDGP args, FILE fp)
	Saves DGP parameters. More...

size_t	graph_args_load (struct ArgsDGP args, FILE fp)
	Loads DGP parameters. More...

void	graph_param_set_max_k (struct ArgsDGP *args, const int a)

void	graph_param_set_max_t (struct ArgsDGP *args, const int a)

void	graph_param_set_n (struct ArgsDGP *args, const int a)

void	graph_param_set_n_inputs (struct ArgsDGP *args, const int a)

void	graph_param_set_evolve_cycles (struct ArgsDGP *args, const bool a)

Detailed Description

An implementation of dynamical GP graphs with fuzzy activations.

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

Copyright: The Authors.

Date: 2016–2022.

Definition in file dgp.h.

Function Documentation

◆ graph_args_init()

void graph_args_init ( struct ArgsDGP * args )

Sets DGP parameters to default values.

Parameters

[in] args Parameters for initialising and operating DGP graphs.

Definition at line 624 of file dgp.c.

References ArgsDGP::evolve_cycles, ArgsDGP::max_k, ArgsDGP::max_t, ArgsDGP::n, and ArgsDGP::n_inputs.

Referenced by cond_dgp_param_defaults().

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◆ graph_args_json_export()

char* graph_args_json_export ( const struct ArgsDGP * args )

Returns a json formatted string of the DGP parameters.

Parameters

[in] args Parameters for initialising and operating DGP graphs.

Returns: String encoded in json format.

Definition at line 639 of file dgp.c.

References ArgsDGP::evolve_cycles, ArgsDGP::max_k, ArgsDGP::max_t, and ArgsDGP::n.

Referenced by cond_dgp_param_json_export().

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◆ graph_args_json_import()

char* graph_args_json_import	(	struct ArgsDGP *	args,
		cJSON *	json
	)

Sets the DGP graph parameters from a cJSON object.

Parameters

[in,out]	args	DGP parameter data structure.
[in]	json	cJSON object.

Returns: NULL if successful; or the name of parameter if not found.

Definition at line 658 of file dgp.c.

References graph_param_set_evolve_cycles(), graph_param_set_max_k(), graph_param_set_max_t(), and graph_param_set_n().

Referenced by cond_dgp_param_json_import().

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◆ graph_args_load()

size_t graph_args_load	(	struct ArgsDGP *	args,
		FILE *	fp
	)

Loads DGP parameters.

Parameters

[in]	args	Parameters for initialising and operating DGP graphs.
[in]	fp	Pointer to the output file.

Returns: The total number of elements written.

Definition at line 705 of file dgp.c.

References ArgsDGP::evolve_cycles, ArgsDGP::max_k, ArgsDGP::max_t, ArgsDGP::n, and ArgsDGP::n_inputs.

Referenced by cond_param_load().

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◆ graph_args_save()

size_t graph_args_save	(	const struct ArgsDGP *	args,
		FILE *	fp
	)

Saves DGP parameters.

Parameters

[in]	args	Parameters for initialising and operating DGP graphs.
[in]	fp	Pointer to the output file.

Returns: The total number of elements written.

Definition at line 687 of file dgp.c.

References ArgsDGP::evolve_cycles, ArgsDGP::max_k, ArgsDGP::max_t, ArgsDGP::n, and ArgsDGP::n_inputs.

Referenced by cond_param_save().

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◆ graph_copy()

void graph_copy	(	struct Graph *	dest,
		const struct Graph *	src
	)

Copies a DGP graph.

Parameters

[in]	dest	The destination DGP graph.
[in]	src	The source DGP graph.

Definition at line 251 of file dgp.c.

References Graph::connectivity, Graph::evolve_cycles, Graph::function, Graph::initial_state, Graph::klen, Graph::max_k, Graph::max_t, Graph::mu, Graph::n, Graph::n_inputs, N_MU, Graph::state, and Graph::t.

Referenced by cond_dgp_copy(), and rule_dgp_cond_copy().

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◆ graph_free()

void graph_free ( const struct Graph * dgp )

Frees a DGP graph.

Parameters

[in] dgp The DGP graph to be freed.

Definition at line 523 of file dgp.c.

References Graph::connectivity, Graph::function, Graph::initial_state, Graph::mu, Graph::state, Graph::tmp_input, and Graph::tmp_state.

Referenced by cond_dgp_free(), cond_dgp_json_import(), rule_dgp_cond_free(), and rule_dgp_cond_json_import().

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◆ graph_init()

void graph_init	(	struct Graph *	dgp,
		const struct ArgsDGP *	args
	)

Initialises a new DGP graph.

Parameters

[in]	dgp	The DGP graph to initialise.
[in]	args	Parameters for initialising a DGP graph.

Definition at line 226 of file dgp.c.

References Graph::connectivity, ArgsDGP::evolve_cycles, Graph::evolve_cycles, Graph::function, Graph::initial_state, Graph::klen, ArgsDGP::max_k, Graph::max_k, ArgsDGP::max_t, Graph::max_t, Graph::mu, MU_TYPE, ArgsDGP::n, Graph::n, ArgsDGP::n_inputs, Graph::n_inputs, N_MU, sam_init(), Graph::state, Graph::t, Graph::tmp_input, and Graph::tmp_state.

Referenced by cond_dgp_copy(), cond_dgp_init(), rule_dgp_cond_copy(), and rule_dgp_cond_init().

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◆ graph_json_export()

char* graph_json_export ( const struct Graph * dgp )

Returns a json formatted string representation of a DGP graph.

Parameters

[in] dgp The DGP graph to return.

Returns: String encoded in json format.

Definition at line 346 of file dgp.c.

References Graph::connectivity, Graph::function, function_string(), Graph::initial_state, Graph::klen, Graph::mu, Graph::n, Graph::n_inputs, N_MU, Graph::state, and Graph::t.

Referenced by cond_dgp_json_export(), graph_print(), and rule_dgp_cond_json_export().

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◆ graph_json_import()

void graph_json_import	(	struct Graph *	dgp,
		const struct ArgsDGP *	args,
		const cJSON *	json
	)

Creates a DGP graph from a cJSON object.

Parameters

[in,out]	dgp	The DGP to initialise.
[in]	args	Parameters for initialising a DGP graph.
[in]	json	cJSON object.

Definition at line 477 of file dgp.c.

References Graph::connectivity, ArgsDGP::evolve_cycles, Graph::evolve_cycles, Graph::function, graph_json_import_connectivity(), graph_json_import_current_state(), graph_json_import_functions(), graph_json_import_initial_state(), graph_rand(), Graph::initial_state, Graph::klen, ArgsDGP::max_k, Graph::max_k, ArgsDGP::max_t, Graph::max_t, Graph::mu, ArgsDGP::n, Graph::n, ArgsDGP::n_inputs, Graph::n_inputs, N_MU, sam_json_import(), Graph::state, Graph::t, Graph::tmp_input, and Graph::tmp_state.

Referenced by cond_dgp_json_import(), and rule_dgp_cond_json_import().

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◆ graph_load()

size_t graph_load	(	struct Graph *	dgp,
		FILE *	fp
	)

Reads DGP graph from a file.

Parameters

[in]	dgp	The DGP graph to load.
[in]	fp	Pointer to the file to be written.

Returns: The number of elements written.

Definition at line 588 of file dgp.c.

References Graph::connectivity, Graph::evolve_cycles, Graph::function, Graph::initial_state, Graph::klen, Graph::max_k, Graph::max_t, Graph::mu, Graph::n, Graph::n_inputs, N_MU, Graph::state, Graph::t, Graph::tmp_input, and Graph::tmp_state.

Referenced by cond_dgp_load(), and rule_dgp_cond_load().

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◆ graph_mutate()

bool graph_mutate ( struct Graph * dgp )

Mutates a specified DGP graph.

Parameters

[in] dgp The DGP graph to be mutated.

Returns: Whether any alterations were made.

Definition at line 540 of file dgp.c.

References Graph::evolve_cycles, graph_mutate_connectivity(), graph_mutate_cycles(), graph_mutate_functions(), Graph::mu, MU_TYPE, N_MU, and sam_adapt().

Referenced by cond_dgp_mutate(), and rule_dgp_cond_mutate().

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◆ graph_output()

double graph_output	(	const struct Graph *	dgp,
		const int	IDX
	)

Returns the current state of a specified node in the graph.

Parameters

[in]	dgp	The DGP graph to output.
[in]	IDX	Which node within the graph to output.

Returns: The current state of the specified node.

Definition at line 274 of file dgp.c.

References Graph::state.

Referenced by cond_dgp_match(), rule_dgp_act_compute(), and rule_dgp_cond_match().

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◆ graph_param_set_evolve_cycles()

void graph_param_set_evolve_cycles	(	struct ArgsDGP *	args,
		const bool	a
	)

Definition at line 763 of file dgp.c.

References ArgsDGP::evolve_cycles.

Referenced by cond_dgp_param_defaults(), and graph_args_json_import().

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◆ graph_param_set_max_k()

void graph_param_set_max_k	(	struct ArgsDGP *	args,
		const int	a
	)

Definition at line 719 of file dgp.c.

References ArgsDGP::max_k.

Referenced by cond_dgp_param_defaults(), and graph_args_json_import().

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◆ graph_param_set_max_t()

void graph_param_set_max_t	(	struct ArgsDGP *	args,
		const int	a
	)

Definition at line 730 of file dgp.c.

References ArgsDGP::max_t.

Referenced by cond_dgp_param_defaults(), and graph_args_json_import().

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◆ graph_param_set_n()

void graph_param_set_n	(	struct ArgsDGP *	args,
		const int	a
	)

Definition at line 741 of file dgp.c.

References ArgsDGP::n.

Referenced by cond_dgp_param_defaults(), and graph_args_json_import().

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◆ graph_param_set_n_inputs()

void graph_param_set_n_inputs	(	struct ArgsDGP *	args,
		const int	a
	)

Definition at line 752 of file dgp.c.

References ArgsDGP::n_inputs.

Referenced by cond_dgp_param_defaults().

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◆ graph_print()

void graph_print ( const struct Graph * dgp )

Prints a DGP graph.

Parameters

[in] dgp The DGP graph to print.

Definition at line 333 of file dgp.c.

References graph_json_export().

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◆ graph_rand()

void graph_rand ( struct Graph * dgp )

Randomises a specified DGP graph.

Parameters

[in] dgp The DGP graph to randomise.

Definition at line 296 of file dgp.c.

References Graph::connectivity, Graph::evolve_cycles, Graph::function, Graph::initial_state, Graph::klen, Graph::max_t, Graph::n, Graph::n_inputs, NUM_FUNC, rand_uniform(), rand_uniform_int(), random_connection(), Graph::state, and Graph::t.

Referenced by cond_dgp_cover(), cond_dgp_init(), graph_json_import(), rule_dgp_act_cover(), and rule_dgp_cond_init().

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◆ graph_reset()

void graph_reset ( const struct Graph * dgp )

Resets the states to their initial state.

Parameters

[in] dgp The DGP graph to reset.

Definition at line 284 of file dgp.c.

References Graph::initial_state, Graph::n, and Graph::state.

Referenced by graph_update().

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◆ graph_save()

size_t graph_save	(	const struct Graph *	dgp,
		FILE *	fp
	)

Writes DGP graph to a file.

Parameters

[in]	dgp	The DGP graph to save.
[in]	fp	Pointer to the file to be written.

Returns: The number of elements written.

Definition at line 563 of file dgp.c.

References Graph::connectivity, Graph::evolve_cycles, Graph::function, Graph::initial_state, Graph::klen, Graph::max_k, Graph::max_t, Graph::mu, Graph::n, Graph::n_inputs, N_MU, Graph::state, and Graph::t.

Referenced by cond_dgp_save(), and rule_dgp_cond_save().

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◆ graph_update()

void graph_update	(	const struct Graph *	dgp,
		const double *	inputs,
		const bool	reset
	)

Updates a DGP graph T cycles.

Parameters

[in]	dgp	The DGP graph to update.
[in]	inputs	The inputs to the graph.
[in]	reset	Whether to reset states to initial values.

Definition at line 318 of file dgp.c.

References graph_reset(), synchronous_update(), and Graph::t.

Referenced by cond_dgp_match(), and rule_dgp_cond_match().

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Data Structures

Functions

Detailed Description

Function Documentation

◆ graph_args_init()

◆ graph_args_json_export()

◆ graph_args_json_import()

◆ graph_args_load()

◆ graph_args_save()

◆ graph_copy()

◆ graph_free()

◆ graph_init()

◆ graph_json_export()

◆ graph_json_import()

◆ graph_load()

◆ graph_mutate()

◆ graph_output()

◆ graph_param_set_evolve_cycles()

◆ graph_param_set_max_k()

◆ graph_param_set_max_t()

◆ graph_param_set_n()

◆ graph_param_set_n_inputs()

◆ graph_print()

◆ graph_rand()

◆ graph_reset()

◆ graph_save()

◆ graph_update()