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Comment:Replaced str2num by sprintf
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SHA3-256: d3ff2c44c0b4170dda81a6b95612394eaa80257569fe76b85653343a5dc6370b
User & Date: gawthrop@users.sourceforge.net on 1996-12-04 21:27:53
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Context
1996-12-04
21:39:55
Changed to handle null string (octave returns lenghth of 1) check-in: 3375c5eccd user: gawthrop@users.sourceforge.net tags: origin/master, trunk
21:27:53
Replaced str2num by sprintf check-in: d3ff2c44c0 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
16:01:42
Documantation added. check-in: 1818cf9ebd user: gawthrop@users.sourceforge.net tags: origin/master, trunk
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Modified mttroot/mtt/lib/comp/simple/SS_eqn.m from [f6b15eb6f7] to [a6dcac55ff]. 

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function structure =  SS_eqn(bond_number,bonds,direction,cr,args, ...
                            structure,filenum);














% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$



% %% Revision 1.3  1996/08/09 14:08:04  peter
% %% Empty effort and flow attributes replaced by 'external'.
% %%
% %% Revision 1.2  1996/08/08 16:38:19  peter
% %% Changed to filenumer type of fprintf
% %%
% %% Revision 1.1  1996/08/08 16:19:08  peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% The string 'cr' contains the effort attributes;  
% 'arg' contains the flow attributes. 
% external indicates an external variable
% internal indicates an internal variable
% anything else is the name of a constant.
% Blank is taken to be external




effort_attribute = cr;
flow_attribute = args;

if length(effort_attribute)==0
  effort_attribute = 'external';
end;

if length(flow_attribute)==0
  flow_attribute = 'external';
end;


inputs = structure(3);
outputs = structure(4);
zero_outputs = structure(5);























% Effort
if strcmp(effort_attribute, 'external')
  if bonds(1,1)==-1 % Source
    inputs = inputs+1;
    fprintf(filenum, '%s := MTTu(%1.0f,1);\n', ...
        varname(bond_number,1),inputs);
  else % Sensor
    outputs = outputs+1;
    fprintf(filenum, 'MTTy(%1.0f,1) := %s;\n', ...
        outputs, varname(bond_number,1));
  end;
elseif strcmp(effort_attribute, 'internal')
  % Do nothing
else % named constant
  if bonds(1,1)==-1 % Source
    fprintf(filenum, '%s := %s;\n', ...
	varname(bond_number,1), effort_attribute);
  else % Sensor
    if strcmp(effort_attribute, 'zero') %Zero output
      zero_outputs = zero_outputs + 1;
      fprintf(filenum, 'MTTyz%1.0f := %s;\n', ...
	  zero_outputs, varname(bond_number,1));
      fprintf(filenum, '%s := MTTUi%1.0f;\n', ...
	  varname(bond_number,-1), zero_outputs);
    else
      mtt_info([effort_attribute, ' not appropriate for an output ']);
    end;
  end;
end;

% Flow
if strcmp(flow_attribute, 'external')
  if bonds(1,2)==1 % Source
    inputs = inputs+1;
    fprintf(filenum, '%s := MTTu(%1.0f,1);\n', varname(bond_number,-1),inputs);
  else % Sensor
    outputs = outputs+1;
    fprintf(filenum, 'MTTy(%1.0f,1) := %s;\n', outputs, ...
        varname(bond_number,-1));
  end;
elseif strcmp(flow_attribute, 'internal')
  % Do nothing
else % Named constant
  if bonds(1,2)==1 % Source
    fprintf(filenum, '%s := %s;\n', ...
	varname(bond_number,-1), flow_attribute);
  else % Sensor
    if strcmp(flow_attribute, 'zero') %Zero output
      zero_outputs = zero_outputs + 1;
      fprintf(filenum, 'MTTyz%1.0f := %s;\n', ...
	  zero_outputs, varname(bond_number,-1));
      fprintf(filenum, '%s := MTTUi%1.0f;\n', ...
	  varname(bond_number,1), zero_outputs);
    else
      mtt_info([effort_attribute, ' not appropriate for an output ']);
    end;
  end;
end;

  

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function structure =  SS_eqn(name,bond_number,bonds,direction,cr,args, ...
    structure,filenum);
% SS_eqn - equations for SS component
% 
%     %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
%     %%%%% Model Transformation Tools %%%%%
%     %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 
% Matlab function  SS_eqn
% structure =  SS_eqn(name,bond_number,bonds,direction,cr,args, ...
%    structure,filenum);


% Copyright (c) P.J. Gawthrop, 1996.

			
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.4  1996/08/18  20:06:21  peter
% %% Included zero outputs.
% %%
% %% Revision 1.3  1996/08/09 14:08:04  peter
% %% Empty effort and flow attributes replaced by 'external'.
% %%
% %% Revision 1.2  1996/08/08 16:38:19  peter
% %% Changed to filenumer type of fprintf
% %%
% %% Revision 1.1  1996/08/08 16:19:08  peter
% %% Initial revision
% %%
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% The string 'cr' contains the effort attributes;  
% 'arg' contains the flow attributes. 
% external indicates an external variable
% internal indicates an internal variable
% anything else is the name of a constant.
% Blank is taken to be external
% If its a numbered port:
%     cr contains 'MTT_port'
%     arg contains port number

effort_attribute = cr
flow_attribute = args

if length(effort_attribute)==0
  effort_attribute = 'external';
end;

if length(flow_attribute)==0
  flow_attribute = 'external';
end;


inputs = structure(3);
outputs = structure(4);
zero_outputs = structure(5);

if strcmp(effort_attribute, 'MTT_port') % Its a numbered port
  port_number = sprintf('%1.0f',flow_attribute);
  % Effort 
  if bonds(1,1)==-1 % Source
    fprintf(filenum, '%s := %s_MTTu%1.0f;\n', ...
        varname(name, bond_number,1), name, port_number);
  else % Sensor
    fprintf(filenum, '%s_MTTy%1.0f := %s;\n', ...
        name, port_number, varname(name, bond_number,1));
  end;
  % Flow 
  if bonds(1,2)==1 % Source
    fprintf(filenum, '%s := %s_MTTu%1.0f;\n', ...
        varname(name, bond_number,-1), name, port_number);
  else % Sensor
    fprintf(filenum, '%s_MTTy%1.0f := %s;\n', ...
        name, port_number, varname(name, bond_number,-1));
  end;  
  return
end;


% Effort
if strcmp(effort_attribute, 'external')
  if bonds(1,1)==-1 % Source
    inputs = inputs+1;
    fprintf(filenum, '%s := MTTu(%1.0f,1);\n', ...
        varname(name, bond_number,1),inputs);
  else % Sensor
    outputs = outputs+1;
    fprintf(filenum, 'MTTy(%1.0f,1) := %s;\n', ...
        outputs, varname(name, bond_number,1));
  end;
elseif strcmp(effort_attribute, 'internal')
  % Do nothing
else % named constant
  if bonds(1,1)==-1 % Source
    fprintf(filenum, '%s := %s;\n', ...
	varname(name, bond_number,1), effort_attribute);
  else % Sensor
    if strcmp(effort_attribute, 'zero') %Zero output
      zero_outputs = zero_outputs + 1;
      fprintf(filenum, 'MTTyz%1.0f := %s;\n', ...
	  zero_outputs, varname(name, bond_number,1));
      fprintf(filenum, '%s := MTTUi%1.0f;\n', ...
	  varname(name, bond_number,-1), zero_outputs);
    else
      mtt_info([effort_attribute, ' not appropriate for an output ']);
    end;
  end;
end;

% Flow
if strcmp(flow_attribute, 'external')
  if bonds(1,2)==1 % Source
    inputs = inputs+1;
    fprintf(filenum, '%s := MTTu(%1.0f,1);\n', varname(name, bond_number,-1),inputs);
  else % Sensor
    outputs = outputs+1;
    fprintf(filenum, 'MTTy(%1.0f,1) := %s;\n', outputs, ...
        varname(name, bond_number,-1));
  end;
elseif strcmp(flow_attribute, 'internal')
  % Do nothing
else % Named constant
  if bonds(1,2)==1 % Source
    fprintf(filenum, '%s := %s;\n', ...
	varname(name, bond_number,-1), flow_attribute);
  else % Sensor
    if strcmp(flow_attribute, 'zero') %Zero output
      zero_outputs = zero_outputs + 1;
      fprintf(filenum, 'MTTyz%1.0f := %s;\n', ...
	  zero_outputs, varname(name, bond_number,-1));
      fprintf(filenum, '%s := MTTUi%1.0f;\n', ...
	  varname(name, bond_number,1), zero_outputs);
    else
      mtt_info([effort_attribute, ' not appropriate for an output ']);
    end;
  end;
end;
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