ADDED   mttroot/mtt/bin/trans/m/equation.m
Index: mttroot/mtt/bin/trans/m/equation.m
==================================================================
--- /dev/null
+++ mttroot/mtt/bin/trans/m/equation.m
@@ -0,0 +1,73 @@
+function eqn =  equation(name,cr,args,outbond,outcause,outport, ...
+                              inbonds,incauses,inports)
+% eqn is a string containing the equation
+% 
+% 
+%     %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
+%     %%%%% Model Transformation Tools %%%%%
+%     %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% 
+% Matlab function  printcr
+% printcr(name,outport,bond_number,cr,args,RHS_cause,eqnfile
+
+
+% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %% Version control history
+% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %% $Id$
+% %% $Log$
+% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+
+% Find the number of inports
+nports = length(inports);
+
+% Set up LHS
+LHS = varname(name, outbond, outcause);
+
+% Set up various strings to get correct syntax if some strings are empty
+if length(cr)==0
+  cause_name = '';
+  port_name = '';
+  lp = '';
+  rp = '';
+  c_comma = '';
+else
+  cause_name = cause2name(outcause);
+  port_name = sprintf('%1.0f', outport');
+  lp = '(';
+  rp = ')';
+  c_comma = ',';
+end
+
+if length(args)==0
+  a_comma = '';
+else
+  a_comma = ',';
+end;
+
+% Set up first line of RHS
+RHS1 = sprintf('%s%s%s%s%s%s%s%s\n', ...
+    cr, lp, args, a_comma, cause_name, c_comma, port_name, c_comma);
+
+
+% Set up rest of RHS - the input variables, causality and ports.
+RHS2 = '';
+for i=1:nports
+  RHS2 = sprintf('%s\t%s,%s,%1.0f', ...
+      RHS2, varname(name, inbonds(i), incauses(i)), ...
+      cause2name(incauses(i)), inports(i));
+  if i<nports % Add a comma
+    RHS2 = sprintf('%s,\n',RHS2);
+  else
+    RHS2 = sprintf('%s\n',RHS2);
+  end;
+end;
+ 
+  
+
+% Set up equation
+eqn = sprintf('%s := %s%s\t%s;\n', LHS, RHS1, RHS2, rp);
+
+