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function [bonds,status] = abg2cbg(system_name,bonds,infofile)
% [bonds,status] = abg2cbg(system_name,bonds,infofile)
%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %%%%% Model Transformation Tools %%%%%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Matlab function abg2cbg.m
% Acausal bond graph to causal bond graph: mfile format
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
pc = '%';
if nargin<3
infofile = 'stdout';
end;
% Evaluate the system function to get the bonds
fun_name = [system_name, '_abg']
eval(['[bonds,components]=', fun_name, ';']);
% Find number of bonds
[n_bonds,columns] = size(bonds);
if (columns ~= 2)&(n_bonds>0)
error('Incorrect bonds matrix: must have 2 columns');
end;
% Find number of components
[n_components,columns] = size(components);
% Set initial status
status = -ones(n_components,1);
total = 2*n_bonds;
done = sum(sum(abs(bonds)))/total*100;
mtt_info(sprintf('Initial causality is %3.0f%s complete.', done, pc), infofile);
old_done = inf;
while done~=old_done
disp(sprintf('Causality is %3.0f%s complete.', done, pc));
old_done = done;
for i = 1:n_components
comp = nozeros(components(i,:));
bond_list = abs(comp);
direction = sign(comp)'*[1 1];
% Convert from arrow orientated to component orientated causality
comp_bonds = bonds(bond_list,:).*direction;
eval([ '[comp_type,name,cr,arg] = ', system_name, '_cmp(i);' ]);
% change name of 0 and 1 components -- matlab doesn't like numbers here
if strcmp(comp_type,'0')
comp_type = 'zero';
end;
if strcmp(comp_type,'1')
comp_type = 'one';
end;
% Invoke the appropriate causality procedure
cause_name = [comp_type, '_cause'];
if exist(cause_name)~=2 % Try a compound component -- need doing
mtt_info(sprintf('Component %s is unknown', comp_type), infofile);
% $$$ sys_name = [comp_type, '_abg'];
% $$$ agb2cbg(sys_name,comp_bonds,infofile);
else % its a simple component
cause_name
eval([ '[comp_bonds,status(i)] = ', cause_name, '(comp_bonds);' ]);
% Convert from component orientated to arrow orientated causality
bonds(bond_list,:) = comp_bonds.*direction;
end;
end;
done = sum(sum(abs(bonds)))/total*100;
% mtt_info(sprintf('Causality is %3.0f%s complete.', done, pc), infofile);
end;
end;
eval([ '[comp_type,name] = ', system_name, '_cmp(i);' ]);
mtt_info(sprintf('Component %s (%s) is overcausal', name, comp_type), ...
infofile);
end;
end;
% List undercausal bonds
[under_causal_bonds,n] = getindex(status,-1)
if n>0
for i=under_causal_bonds'
eval([ '[comp_type,name] = ', system_name, '_cmp(i);' ]);
mtt_info(sprintf('Component %s (%s) is undercausal', name, comp_type), ...
infofile);
end;
end;
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function [bonds, status] = abg2cbg(system_name, ...
system_type, full_name, ...
port_bonds,infofile)
% [bonds,status] = abg2cbg(system_name,infofile)
%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %%%%% Model Transformation Tools %%%%%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Matlab function abg2cbg.m
% Acausal bond graph to causal bond graph: mfile format
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.1 1996/08/04 17:55:55 peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
pc = '%';
if nargin<1
system_name = 'no_name';
end;
if nargin<4
port_bonds = [];
end;
if nargin<5
infofile = 'stdout';
end;
fun_name = [system_type, '_abg']
% If no such function - then there is nothing to be done.
if exist(fun_name)~=2
mtt_info(['m-file ', fun_name, ' does not exist'], infofile);
bonds = [];
status = [];
return
end;
% Create the (full) system name
if length(full_name)==0
full_name = system_name;
else
full_name = [full_name, '_', system_name];
end;
% Evaluate the system function to get the bonds
eval(['[bonds,components,n_ports]=', fun_name, ';']);
% Find number of bonds
[n_bonds,columns] = size(bonds);
if (columns ~= 2)&(n_bonds>0)
error('Incorrect bonds matrix: must have 2 columns');
end;
% Find number of components
[n_components,columns] = size(components);
if n_components==0 % there is nothing to be done
return
end;
% Find number of port bonds
[n_port_bonds,columns] = size(port_bonds);
if n_port_bonds~=n_ports
mtt_info(sprintf('%1.0f port bonds incompatible with %1.0f ports', ...
n_port_bonds, n_ports), infofile);
else % Copy the port bonds
for i = 1:n_ports
bonds(i,:) = port_bonds(i,:);
end;
end;
bonds,port_bonds
% Set initial status
status = -ones(n_components,1);
total = 2*n_bonds;
done = sum(sum(abs(bonds)))/total*100;
% $$$ mtt_info(sprintf('Initial causality is %3.0f%s complete.', done, pc), infofile);
% Set the causality of the ports
old_done = inf;
while done~=old_done
disp(sprintf('Causality is %3.0f%s complete.', done, pc));
old_done = done;
for i = 1:n_components
comp = nozeros(components(i,:));
bond_list = abs(comp);
direction = sign(comp)'*[1 1];
% Convert from arrow orientated to component orientated causality
comp_bonds = bonds(bond_list,:).*direction;
eval([ '[comp_type,name,cr,arg] = ', system_type, '_cmp(i);' ]);
% change name of 0 and 1 components -- matlab doesn't like numbers here
if strcmp(comp_type,'0')
comp_type = 'zero';
end;
if strcmp(comp_type,'1')
comp_type = 'one';
end;
% Invoke the appropriate causality procedure
cause_name = [comp_type, '_cause'];
if exist(cause_name)~=2 % Try a compound component
disp('------------PUSH-----------------');
[b,s] = abg2cbg(name, comp_type, full_name, comp_bonds, ...
infofile)
status(i)=max(s);
disp('------------POP-----------------');
else % its a simple component
cause_name
eval([ '[comp_bonds,status(i)] = ', cause_name, '(comp_bonds);' ]);
% Convert from component orientated to arrow orientated causality
bonds(bond_list,:) = comp_bonds.*direction;
end;
end;
done = sum(sum(abs(bonds)))/total*100;
% mtt_info(sprintf('Causality is %3.0f%s complete.', done, pc), infofile);
end;
final_done = (sum(status==zeros(n_components,1))/n_components)*100;;
mtt_info(sprintf('Final causality is %3.0f%s complete.', final_done, pc),
infofile);
% List overcausal bonds
[over_causal_bonds,n] = getindex(status,1)
if n>0
for i=over_causal_bonds'
eval([ '[comp_type,name] = ', system_type, '_cmp(i);' ]);
mtt_info(sprintf('Component %s (%s) is overcausal', name, comp_type), ...
infofile);
end;
end;
% List undercausal bonds
[under_causal_bonds,n] = getindex(status,-1)
if n>0
for i=under_causal_bonds'
eval([ '[comp_type,name] = ', system_type, '_cmp(i);' ]);
mtt_info(sprintf('Component %s (%s) is undercausal', name, comp_type), ...
infofile);
end;
end;
write_cbg(full_name,bonds,status);
disp('----------------------');
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