% [bonds,status] = abg2cbg(system_name, system_type, full_name, port_bonds, infofile)

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.31  1998/07/28 13:15:10  peterg
% %% Vector SS ports included.
% %%
% %% Revision 1.30  1998/07/27 20:29:49  peterg
% %% Had another go at causality ....
% %%   1. Impose external causality onto all port bonds
% %%   2. Set C_cause.m so that it DOESN'T set causality
% %%       -- I_cause is already ok !
% %%
% %% Revision 1.29  1998/07/10 09:01:42  peterg

    % Is the direction different?
    if (sign(components(i,1))~=port_bond_direction(i))
      mtt_info(sprintf("Flip port %i",i),infofile);
      % Flip direction at port
      components(i,1) = - components(i,1);
      % and at the other end
      for j=n_ports+1:n_components
	for k=1:m_components
	  if (abs(components(j,k))==port_bond_index(i))
	    components(j,k) = - components(j,k);
	  end
	end
      end;
      % Flip the bond causalities (these are arrow-orientated)
      bonds(port_bond_index(i),:) = -bonds(port_bond_index(i),:);

    ci_direction = sign(ci_bond_index);
    ci_bond_index = abs(ci_bond_index);
    bonds(ci_bond_index,1:2) = prefered*ci_direction'*[1 1];
  end;
  
end;

status(1:n_ports) = zeros(n_ports,1); # Port status not relevant

% Print final causality

final_done =  (sum(status==zeros(n_components,1))/n_components)*100;

if at_top_level
  mtt_info(sprintf('Final causality of %s is %3.0f%s complete.', ...
      full_name, final_done, pc), infofile);

  if final_done<100

cbgfilenum = fopen(file_name,'w');
write_cbg(cbgfilenum,full_name,system_type,bonds,status,components);
fclose(cbgfilenum);

% Return the port bonds - arrow orientated causality - and the direction 
if ~at_top_level % Not at top level
  port_bonds = bonds(port_bond_index,:) # Return port bonds

end;

disp('====================================');
disp(['END: ', full_name, ' (', fun_name, ')']);
disp('====================================');