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% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.1 1998/06/29 09:56:02 peterg
% %% Initial revision
% %%
% %% Revision 1.1 1997/09/04 08:34:53 peterg
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright (c) P.J. Gawthrop, 1997.
status = -1;
% Check that there are exactly two bonds.
if check_bonds(bonds,2,'FP')==0
return
end
% Same causality as TF
[bonds,status] = TF_cause(bonds);
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