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function [bonds,status] = SS_cause(bonds)
% SS_cause = causality for an SS component
%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %%%%% Model Transformation Tools %%%%%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Matlab function SS_cause
% [bonds,status] = SS_cause(bonds)
%SUMMARY SS: source-sensor component
%DESCRIPTION one-port source sensor component
%DESCRIPTION when the name is [i], acts as ith port of a system.
%DESCRIPTION may be bicausal
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.1 1996/11/01 12:18:38 peterg
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright (c) P.J. Gawthrop, 1996.
% Check that there is exactly one bonds.
if check_bonds(bonds,1,'SS')==0
return
end
if (bonds(1)==0)|(bonds(2)==0) % Under causal
status = -1;
else % causal
status = 0;
end;
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function [bonds,status] = SS_cause(bonds)
% SS_cause = causality for an SS component
%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %%%%% Model Transformation Tools %%%%%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Matlab function SS_cause
% [bonds,status] = SS_cause(bonds)
%SUMMARY SS: source-sensor component
%DESCRIPTION multi-port source sensor component
%DESCRIPTION when the name is [name], acts as port `name' of a system.
%DESCRIPTION may be bicausal
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.2 1996/11/01 14:41:14 peterg
% %% Check correct bonds
% %%
% %% Revision 1.1 1996/11/01 12:18:38 peterg
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright (c) P.J. Gawthrop, 1996.
## Check that there is exactly one bonds.
##if check_bonds(bonds,1,'SS')==0
## return
##end
disp("Starting SS_cause");
[n_bonds,junk] = size(bonds);
Status=zeros(n_bonds,1);
for i=1:n_bonds
if (bonds(i,1)==0)|(bonds(i,2)==0) % Under causal
Status(i) = -1;
else % causal
Status(i) = 0;
end;
end;
status=min(Status);
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