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## Copyright (C) 2011-2025 L. Markowsky <lmarkowsky@gmail.com>
##
## This file is part of the fuzzy-logic-toolkit.
##
## The fuzzy-logic-toolkit is free software; you can redistribute it
## and/or modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 3 of
## the License, or (at your option) any later version.
##
## The fuzzy-logic-toolkit is distributed in the hope that it will be
## useful, but WITHOUT ANY WARRANTY; without even the implied warranty
## of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with the fuzzy-logic-toolkit; see the file COPYING. If not,
## see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {} showfis (@var{fis})
##
## Print all of the property (field) values of the FIS structure and its
## substructures.
##
## @seealso{getfis, showrule}
## @end deftypefn
## Author: L. Markowsky
## Keywords: fuzzy-logic-toolkit fuzzy inference system fis
## Directory: fuzzy-logic-toolkit/inst/
## Filename: showfis.m
## Last-Modified: 29 May 2024
function showfis (fis)
## If getfis was called with an incorrect number of arguments,
## or the argument does not have the correct type, print an error
## message and halt.
if (nargin != 1)
error ("showfis requires 1 argument\n");
elseif (!is_fis (fis))
error ("showfis's argument must be an FIS structure\n");
endif
## Print properties of the FIS structure.
## Determine:
## the number of input variables
## number of output variables
## number of rules
## input membership function names
## input membership function types
## input membership functions parameters
## number of input membership functions
## output membership function names
## output membership function types
## output membership function parameters
## number of output membership functions
num_inputs = columns(fis.input);
num_outputs = columns(fis.output);
num_rules = columns(fis.rule);
k = 1;
in_mf_labels = {};
in_mf_types = {};
in_mf_params{k} = [];
for i = 1 : num_inputs
for j = 1 : columns (fis.input(i).mf)
in_mf_labels{k} = fis.input(i).mf(j).name;
in_mf_types{k} = fis.input(i).mf(j).type;
in_mf_params{k++} = fis.input(i).mf(j).params;
endfor
endfor
num_input_mf = k - 1;
k = 1;
out_mf_labels = {};
out_mf_types = {};
out_mf_params{k} = [];
for i = 1 : num_outputs
for j = 1 : columns (fis.output(i).mf)
out_mf_labels{k} = fis.output(i).mf(j).name;
out_mf_types{k} = fis.output(i).mf(j).type;
out_mf_params{k++} = fis.output(i).mf(j).params;
endfor
endfor
num_output_mf = k - 1;
## Print the name, type, and number of inputs/outputs.
line = 1;
printf ("%d. Name %s\n", line++, fis.name);
printf ("%d. Type %s\n", line++, fis.type);
printf ("%d. Inputs/Outputs [%d %d]\n", line++, num_inputs, ...
num_outputs);
## Print the number of input membership functions.
printf ("%d. NumInputMFs ", line++);
if (num_inputs == 0)
printf ("0\n");
elseif (num_inputs == 1)
printf ("%d\n", columns(fis.input(1).mf));
else
printf("[");
for i = 1 : num_inputs-1
printf ("%d ", columns(fis.input(i).mf));
endfor
printf ("%d]\n", columns(fis.input(num_inputs).mf));
endif
## Print the number of output membership functions.
printf ("%d. NumOutputMFs ", line++);
if (num_outputs == 0)
printf("0\n");
elseif (num_outputs == 1)
printf ("%d\n", columns(fis.output(1).mf));
else
printf ("[");
for i = 1 : num_outputs - 1
printf ("%d ", columns (fis.output(i).mf));
endfor
printf ("%d]\n", columns (fis.output(num_outputs).mf));
endif
## Print the number of rules, 'And' method, 'Or' method, 'Implication'
## method, 'Aggregation' method, and 'Defuzzification' method.
printf ("%d. NumRules %d\n", line++, num_rules);
printf ("%d. AndMethod %s\n", line++, fis.andMethod);
printf ("%d. OrMethod %s\n", line++, fis.orMethod);
printf ("%d. ImpMethod %s\n", line++, fis.impMethod);
printf ("%d. AggMethod %s\n", line++, fis.aggMethod);
printf ("%d. DefuzzMethod %s\n", line++, fis.defuzzMethod);
## Print the input variable names (labels).
printf ("%d. InLabels ", line++);
if (num_inputs == 0)
printf ("\n");
else
printf ("%s\n", fis.input(1).name);
for i = 2 : num_inputs
printf ("%d. %s\n", line++, fis.input(i).name);
endfor
endif
## Print the output variable names (labels).
printf ("%d. OutLabels ", line++);
if (num_outputs == 0)
printf ("\n");
else
printf ("%s\n", fis.output(1).name);
for i = 2 : num_outputs
printf ("%d. %s\n", line++, fis.output(i).name);
endfor
endif
## Print the ranges of the input variables.
printf ("%d. InRange ", line++);
if (num_inputs == 0)
printf ("\n");
else
printf ("%s\n", mat2str(fis.input(1).range));
for i = 2 : num_inputs
printf ("%d. ", line++);
printf ("%s\n", mat2str(fis.input(i).range));
endfor
endif
## Print the ranges of the output variables.
printf ("%d. OutRange ", line++);
if (num_outputs == 0)
printf ("\n");
else
printf ("%s\n", mat2str(fis.output(1).range));
for i = 2 : num_outputs
printf ("%d. ", line++);
printf ("%s\n", mat2str (fis.output(i).range));
endfor
endif
## Print the input variables' membership function labels.
printf ("%d. InMFLabels ", line++);
if (num_input_mf == 0)
printf ("\n");
else
printf ("%s\n", in_mf_labels{1});
for i = 2 : num_input_mf
printf ("%d. %s\n", line++, in_mf_labels{i});
endfor
endif
## Print the output variables' membership function labels.
printf ("%d. OutMFLabels ", line++);
if (num_output_mf == 0)
printf ("\n");
else
printf ("%s\n", out_mf_labels{1});
for i = 2 : num_output_mf
printf ("%d. %s\n", line++, out_mf_labels{i});
endfor
endif
## Print the input variables' membership function types.
printf ("%d. InMFTypes ", line++);
if (num_input_mf == 0)
printf ("\n");
else
printf ("%s\n", in_mf_types{1});
for i = 2 : num_input_mf
printf ("%d. %s\n", line++, in_mf_types{i});
endfor
endif
## Print the output variables' membership function types.
printf ("%d. OutMFTypes ", line++);
if (num_output_mf == 0)
printf ("\n");
else
printf ("%s\n", out_mf_types{1});
for i = 2 : num_output_mf
printf ("%d. %s\n", line++, out_mf_types{i});
endfor
endif
## Print the input variables' membership function parameters.
printf ("%d. InMFParams ", line++);
if (num_input_mf == 0)
printf ("\n");
else
printf ("%s\n", mat2str(in_mf_params{1}));
for i = 2 : num_input_mf
printf ("%d. ", line++);
printf ("%s\n", mat2str (in_mf_params{i}));
endfor
endif
## Print the output variables' membership function parameters.
printf ("%d. OutMFParams ", line++);
if (num_output_mf == 0)
printf ("\n");
else
printf ("%s\n", mat2str (out_mf_params{1}));
for i = 2 : num_output_mf
printf ("%d. ", line++);
printf ("%s\n", mat2str (out_mf_params{i}));
endfor
endif
## Print the rule antecedents.
printf("%d. Rule Antecedent ", line++);
if (num_rules == 0)
printf ("\n");
else
printf ("%s\n", mat2str (fis.rule(1).antecedent));
for i = 2 : num_rules
printf ("%d. ", line++);
printf ("%s\n", mat2str (fis.rule(i).antecedent));
endfor
endif
## Print the rule consequents.
printf ("%d. Rule Consequent ", line++);
if (num_rules == 0)
printf ("\n");
else
printf ("%s\n", mat2str (fis.rule(1).consequent));
for i = 2 : num_rules
printf ("%d. ", line++);
printf ("%s\n", mat2str (fis.rule(i).consequent));
endfor
endif
## Print the rule weights.
printf("%d. Rule Weight ", line++);
if (num_rules == 0)
printf ("\n");
else
printf ("%d\n", fis.rule(1).weight);
for i = 2 : num_rules
printf ("%d. %d\n", line++, fis.rule(i).weight);
endfor
endif
## Print the rule connections.
printf ("%d. Rule Connection ", line++);
if (num_rules == 0)
printf ("\n");
else
printf ("%d\n", fis.rule(1).connection);
for i = 2 : num_rules
printf ("%d. %d\n", line++, ...
fis.rule(i).connection);
endfor
endif
endfunction
## Test input validation
%!error <showfis requires 1 argument>
%! showfis()
%!error <showfis: function called with too many inputs>
%! showfis(1, 2)
%!error <showfis's argument must be an FIS structure>
%! showfis(1)
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