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function [bonds,components] = rbg2abg(name,rbonds,rstrokes,rcomponents,port_coord,port_name,infofile)

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.32  1998/07/02 15:12:05  peterg
% %% Added hard error reporting
% %% Added error when two unlabled bonds point in.
% %%
% %% Revision 1.31  1998/07/02 14:30:50  peterg
% %% Corrected various bugs - including resettting n_ports to correct value
% %%
% %% Revision 1.30  1998/07/02 13:40:50  peterg
% %% Added extra ports names (due to defaults) to relevant lists:
% %% 	port_name
% %% 	port_bond
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	unsorted_port_list(k,:) = port_name(port_index,:);
      end;
    end;
  else 
    k=0;
  end;
    
  %Either all ports or no ports should be labelled - write error
  %message if this is not so
  if (k~=0)&(k~=n_comp_bonds)
    mtt_info(['Component ', comp_name, ' (', comp_type, ') has wrong number of labels'], fnum); 
    mtt_info(sprintf("\tit has %1.0f labels but should have 0 or \
    %1.0f",k,n_comp_bonds), fnum);
    portnames=""; 
    for kk=1:k 
      portnames=sprintf("%s %s",portnames, unsorted_port_list(kk,:));
    end;
    mtt_error(portnames,fnum);
  end;
#  %Either all ports or no ports should be labelled - write error
#  %message if this is not so
#  if (k~=0)&(k~=n_comp_bonds)
#    mtt_info(['Component ', comp_name, ' (', comp_type, ') has wrong number of labels'], fnum); 
#    mtt_info(sprintf("\tit has %1.0f labels but should have 0 or \
#    %1.0f",k,n_comp_bonds), fnum);
#    portnames=""; 
#    for kk=1:k 
#      portnames=sprintf("%s %s",portnames, unsorted_port_list(kk,:));
#    end;
#    mtt_error(portnames,fnum);
#  end;
  
  %Compute the number of labeled ports
  [n_unsorted_ports,m_unsorted_ports] = size(unsorted_port_list);
  if m_unsorted_ports==0
    n_unsorted_ports = 0;
  end;
  n_unsorted_ports,n_comp_bonds
  % One port defaults:
  if (n_comp_bonds==1)&(n_unsorted_ports==0)
    %if (direction(1)<0) & ~strcmp(comp_type,'SS') % Wrong way for default
    % mtt_error(['One-port ', comp_name, ' (', comp_type, ') has the sign pointing the wrong way '], fnum);
    %end;
    unsorted_port_list = port_list;
  end;
#  n_unsorted_ports,n_comp_bonds
#  % One port defaults:
#  if (n_comp_bonds==1)&(n_unsorted_ports==0)
#    %if (direction(1)<0) & ~strcmp(comp_type,'SS') % Wrong way for default
#    % mtt_error(['One-port ', comp_name, ' (', comp_type, ') has the sign pointing the wrong way '], fnum);
#    %end;
#    unsorted_port_list = port_list;
#  end;
  
  %Two port defaults
  if (n_comp_bonds==2)&(n_unsorted_ports==0)
    if direction(1)==direction(2) % Wrong way for default
      % mtt_error(['Two-port ', comp_name, ' (', comp_type, ') does not have through-pointing arrows'], fnum);
    end;
    if direction(1)==1 %in
      % mtt_info([comp_name, ' in'],fnum);
      unsorted_port_list = ['[in]';'[out]'];
    else %reverse the order
      % mtt_info([comp_name, ' out'],fnum);
      unsorted_port_list = ['[out]';'[in]'];
    end;
  end;
#  %Two port defaults
#  if (n_comp_bonds==2)&(n_unsorted_ports==0)
#    if direction(1)==direction(2) % Wrong way for default
#      % mtt_error(['Two-port ', comp_name, ' (', comp_type, ') does not have through-pointing arrows'], fnum);
#    end;
#    if direction(1)==1 %in
#      % mtt_info([comp_name, ' in'],fnum);
#      unsorted_port_list = ['[in]';'[out]'];
#    else %reverse the order
#      % mtt_info([comp_name, ' out'],fnum);
#      unsorted_port_list = ['[out]';'[in]'];
#    end;
#  end;
  
  % Recompute the number of unsorted ports
  [n_unsorted_ports,m_unsorted_ports] = size(unsorted_port_list);
  if m_unsorted_ports==0
    n_unsorted_ports = 0;
  end;
#  % Recompute the number of unsorted ports
#  [n_unsorted_ports,m_unsorted_ports] = size(unsorted_port_list);
#  if m_unsorted_ports==0
#    n_unsorted_ports = 0;
#  end;
  
  % Junctions or no lables(order of ports unimportant)
  if strcmp(comp_type,'zero')|strcmp(comp_type,'one')
    for j = 1:n_comp_bonds
      components(i,j) = signed_bond_list(j);
    end
  else %Order of ports is important
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	mtt_error(['Component ', comp_name, ' (', comp_type, ') has an unrecognised port: ', name_k], fnum); 
      else
	components(i,k) = signed_bond_list(j);     
      end;
    end;
  end;
end;



fclose(fnum);





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