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SHA3-256: 83a5de95e6dc30c32cc8fde5d4a6b0781bab1f11ee68e26bafb8879942628925
User & Date: geraint@users.sourceforge.net on 2003-02-12 01:13:07
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Context
2003-02-12
01:28:27
*** empty log message *** check-in: 388ea87da8 user: geraint@users.sourceforge.net tags: origin/master, trunk
01:13:07
*** empty log message *** check-in: 83a5de95e6 user: geraint@users.sourceforge.net tags: origin/master, trunk
2003-02-11
20:04:08
Reverted to line-by-line optimisation as default and added caution to
description of -optg.

Global optimisation has been observed to create assignments using
uninitialised temporary variables. check-in: d38e195817 user: geraint@users.sourceforge.net tags: origin/master, trunk

Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified mttroot/mtt/bin/trans/ibg2abg_m from [9cef41324f] to [1eb25954c2].

︙︙
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done

# Set up some vars
sys=$1
lbl_file=${sys}_lbl.txt
abg_file=${sys}_abg.m
err=mtt_error.txt
log=ibg2abg_m.log

# Remove the old log file
rm -f ibg2abg_m.log
rm -f ${abg_file}

# Inform user
echo Creating ${abg_file}








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done

# Set up some vars
sys=$1
lbl_file=${sys}_lbl.txt
abg_file=${sys}_abg.m
err=mtt_error.txt
log=ibg2abg_m_${sys}.log

# Remove the old log file
rm -f ibg2abg_m.log
rm -f ${abg_file}

# Inform user
echo Creating ${abg_file}
︙︙

Modified mttroot/mtt/bin/trans/m/ibg2abg.m from [eef811202d] to [6028ae21c4]. 

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## -*-octave-*-

function [bonds,components,n_vector_bonds] = ibg2abg(name,bonds, \
						     infofile, \
						     errorfile)

  ## Provide useful data for log
  struct_levels_to_print = 5;








  ## Find number of bonds
  [n_bonds, junk] = size(struct_elements(bonds));

  ## Get components
  max_bonds_on_component = 0;

  for i = 1:n_bonds
    eval(sprintf("bond = bonds.b%i", i));




    ## heads
    head_type_name = bond.head.component;
    head_type_name = deblank(split(head_type_name, ":"));
    head_type = deblank(head_type_name(1,:));
    head_name = deblank(head_type_name(2,:));
    if (exist("component_struct"))
      if (struct_contains(component_struct, head_name))
	## create a copy to work on - clearer than eval(sprintf(...))
	## (pointers would be better still!)
	eval(sprintf("head = component_struct.%s;", head_name));
      endif
    endif


    head.type = head_type;

    if (!struct_contains(head,"bonds"))


      head.n_bonds = 1;
      head.bonds = [+i];
      head.named_ports = !strcmp(bond.head.ports, "[]");
    else
      head.n_bonds = head.n_bonds + 1;
      head.bonds = [head.bonds, +i];
      head.named_ports = head.named_ports + !strcmp(bond.head.ports, \




						    "[]");
    endif
    eval(sprintf("head.ports.bond%i.name = '%s'", i, bond.head.ports));
    eval(sprintf("head.ports.bond%i.sign = '[in]'", i));
    max_bonds_on_component = max(max_bonds_on_component, \
				 head.n_bonds)
    eval(sprintf("component_struct.%s = head", head_name));
    clear head;


    ## tails
    tail_type_name = bond.tail.component;
    tail_type_name = deblank(split(tail_type_name, ":"));
    tail_type = deblank(tail_type_name(1,:));
    tail_name = deblank(tail_type_name(2,:));
    if (exist("component_struct"))
      if (struct_contains(component_struct, tail_name))



	## create a copy to work on - clearer than eval(sprintf(...))
	tail = eval(sprintf("tail = component_struct.%s", tail_name));
      endif

    endif
    tail.type = tail_type;
    if (!struct_contains(tail,"bonds"))

      tail.n_bonds = 1;
      tail.bonds = [-i];
      tail.named_ports = !strcmp(bond.tail.ports, "[]");

    else

      tail.n_bonds = tail.n_bonds + 1
      tail.bonds = [tail.bonds, -i];
      tail.named_ports = tail.named_ports + !strcmp(bond.tail.ports, \
						    "[]");
    endif
    eval(sprintf("tail.ports.bond%i.name = '%s'", i, bond.tail.ports));
    eval(sprintf("tail.ports.bond%i.sign = '[out]'", i));
    max_bonds_on_component = max(max_bonds_on_component, \
				 tail.n_bonds);
    eval(sprintf("component_struct.%s = tail", tail_name));
    clear tail;

    ## causality


    if (bond.causality.effort == "head")
      causality(i,1) = +1;
    elseif (bond.causality.effort == "tail")
      causality(i,1) = -1;
    else
      causality(i,1) = 0;
    endif


    if (bond.causality.flow == "head")
      causality(i,2) = -1;
    elseif (bond.causality.flow == "tail")
      causality(i,2) = +1;
    else
      causality(i,2) = 0;
    endif

  endfor


  
  ## Get component indices from sys_cmp.m













  [n_components, junk] = size(struct_elements(component_struct));












  for i = 1:n_components
    [comp_type, comp_name] = eval(sprintf("%s_cmp(%i)", name, i));







    eval(sprintf("component_struct.%s.index = %i", comp_name, i));

  endfor








  ## Create the connections matrix (components)



  components = zeros(n_components, max_bonds_on_component);

  for [comp, comp_name] = component_struct
    components(comp.index,1:comp.n_bonds) = comp.bonds;
  endfor





  








  for [comp, comp_name] = component_struct
    ## default port names
    if ((strcmp(deblank(comp.type), "0")) || (strcmp(deblank(comp.type), "1")))
      disp("---- default junctions ----");
      if (comp.named_ports == 1) # one named port


	for [port, bond_number] = comp.ports
	  if (!strcmp(port.name,"[]"))
	    junction_port_name = port.name;
	  endif
	endfor


	mtt_info(sprintf("Defaulting all ports on junction %s to %s", \
			 comp_name, junction_port_name));
	for [port, bond_number] = comp.ports
	  port.name = junction_port_name;
	endfor	

      elseif ((comp.named_ports != 0) && (comp.named_ports != \
					  comp.n_bonds)) # not allowed
	mtt_error(sprintf("Junction %s must have 0, 1 or %i port labels", \

			  comp_name, comp.n_bonds));
      endif



    else			# Not a junction
      unlabelled_ports = comp.n_bonds - comp.named_ports;
      if (unlabelled_ports == 1)

	## find unlabelled ports
	for [port, bond_number] = comp.ports
	  if (strcmp(deblank(port.name), "[]"))
	    ## found it - default to "in" or "out"






	    eval(sprintf("comp.ports.%s.name = port.sign", bond_number));

	    mtt_info(["Defaulting port name [" port.sign "]\t on component " \

		      comp_name " (" deblank(comp.type) ")"], infofile);
	  endif
	endfor

      elseif (unlabelled_ports == 2)

	## find unlabelled ports

	for [port, bond_number] = comp.ports
	  if (strcmp(deblank(port.name), "[]"))
	    ## got one
	    if (exist("unlabelled_port1"))
	      unlabelled_port2 = port;
	      bond_number2 = bond_number;
	    else
	      unlabelled_port1 = port;
	      bond_number1 = bond_number;
	    endif
	  endif
	endfor


	if (strcmp(unlabelled_port1.sign, "[in]") && \
	    strcmp(unlabelled_port2.sign, "[in]"))
	  mtt_error(["More than one unlabelled INport on component " \
		     comp_name " (" deblank(comp.type) ")"], errorfile);
	elseif (strcmp(unlabelled_port1.sign, "[out]") && \
		strcmp(unlabelled_port2.sign, "[out]"))
	  mtt_error(["More than one unlabelled OUTport on component " \
		     comp_name " (" deblank(comp.type) ")"], errorfile);
	else
	  eval(sprintf("comp.ports.%s.name = \
	  unlabelled_port1.sign", bond_number1));


	  mtt_info(["Defaulting port name [" unlabelled_port1.sign
		    "]\t on component "  comp_name " (" \


		    deblank(comp.type) ")"], infofile);

	  eval(sprintf("comp.ports.%s.name = \
	  unlabelled_port2.sign", bond_number2));
	  mtt_info(["Defaulting port name [" unlabelled_port2.sign
		    "]\t on component "  comp_name " (" \



		    deblank(comp.type) ")"], infofile);
	endif


      endif


      ## strip port names of blanks and []








      for [port, port_name] = comp.ports
	eval(sprintf("comp.ports.%s.name = \
	mtt_strip_name(comp.ports.%s.name)", port_name, port_name));
      endfor
      
      ## replace aliases
      eval(sprintf("alias = %s_alias", comp.type))
      if (is_struct(alias))
	for [port, port_name] = comp.ports

	  if (struct_contains(alias,port_name))
	    eval(sprintf("new_port_name = alias.%s", port.name))
	    mtt_info(sprintf("Aliasing name [%s]\t on component %s (%s) to \
	    [%s]", port.name, comp_name, comp.type, new_port_name), \
		     infofile);
	    eval(sprintf("comp.ports.%s.name = new_port_name", port_name))

	  endif
	endfor
      endif
      
    endif


    eval(sprintf("component_struct.%s = comp", comp_name));    
  endfor


  ## All ports should bow be labelled
  disp("--- Completed portnames and the corresponding bonds ---");




















  ## Create list of bonds
  bonds = causality;

  ## Find number of bonds on each component BEFORE vectorisation
  for [comp, comp_name] = component_struct
    n_vector_bonds(comp.index) = comp.n_bonds;
  endfor

  ## Now expand vector ports
  disp("Expanding vector ports");
  disp("... but not today!");
  ## ???






















  components;



  n_vector_bonds = 1;









































endfunction



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## -*-octave-*-

function [bonds,components,n_vector_bonds] = \

      ibg2abg(name,bonds,infofile,errorfile)

  ## write useful quantity of data to log
  struct_levels_to_print = 5;



  ###############################################
  ## Extract data from bonds structure (ibg.m) ##
  ###############################################
  disp("--- Started extracting bonds data ---")

  ## find number of bonds
  n_bonds = size(struct_elements(bonds), 1);

  ## need to determine size(,2) of components
  max_bonds_on_component = 0;

  ## extract data from each bond
  for [bond, bond_name] = bonds
    i = str2num(split(bond_name, "bond")(2,:))
    for [val, key] = bond
      if (struct_contains(val, "component")) 

	## val is a terminus, key is "head" or "tail"
	if (strcmp(key, "head"))

	  direction = +1;


	elseif (strcmp(key, "tail"))
	  direction = -1;
	else
	  error(sprintf("%s is not 'head' or 'tails'", key));
	endif

	## extract type and name of component
	type_name = deblank(split(val.component, ":"));
	this_type = deblank(type_name(1,:));
	this_name = deblank(type_name(2,:));

	## determine if internal port (and fix name) or subsystem
	if (strcmp(this_type, "SS") && (index(this_name, "[") == 1))
	  comp_or_port = "port";
	  this_name = mtt_strip_name(this_name);

	else
	  comp_or_port = "comp";
	endif

	## create working copy (if master exists)
	S = sprintf("comp_S.%s", comp_or_port);
	T = sprintf("%s.%s", S, this_name);
	if (exist(sprintf(S)) && struct_contains(eval(S), this_name))
	  this = eval(T);
	endif




	this.name = this_name;

	this.type = this_type;

	## initialise structure if we haven't seen this component yet
	if ((! exist("this")) || (! struct_contains(this, "bonds")))
	  this.n_bonds = 0;
	  this.bonds = [];
	  this.named_ports = 0;
	endif
	
	## extract bond data
	++this.n_bonds;
	this.bonds = [this.bonds, direction * i];
	
	port_name = eval(sprintf("bond.%s.ports", key));
	if (! strcmp(port_name, "[]"))
	  ++this.named_ports;
	endif
	

	## extract port data
	eval(sprintf("this.ports.%s.name = bond.%s.ports",
		     bond_name, key));
	eval(sprintf("this.ports.%s.bond = %i", bond_name, i));
	eval(sprintf("this.ports.%s.sign = %i", bond_name, direction));

	## check if this has the most bonds
	if (this.n_bonds > max_bonds_on_component)
	  max_bonds_on_component = this.n_bonds;


	endif
	
	## copy back to master


	eval(sprintf("comp_S.%s.%s = this", comp_or_port, this_name));
	clear this;
	
      else			# val is not a terminus => causality
	
	## extract effort  causality information
	if (strcmp(bond.causality.effort, "head"))
	  causality(i,1) = +1;
	elseif (strcmp(bond.causality.effort, "tail"))
	  causality(i,1) = -1;
	else
	  causality(i,1) = 0;
	endif

	## extract flow causality information
	if (strcmp(bond.causality.flow, "head"))
	  causality(i,2) = -1;
	elseif (strcmp(bond.causality.flow, "tail"))
	  causality(i,2) = +1;
	else
	  causality(i,2) = 0;
	endif
	
      endif      
    endfor			# finished extracting data from this bond
  endfor			# finished extracting data from all bonds


  disp("--- Writing comp_S ---")
  comp_S
  disp("--- Finished extracting bonds data ---")



  #################################
  ## Map component data to cmp.m ##
  #################################
  disp("--- Started extracting cmp.m data ---")

  ## count number of components
  if (struct_contains(comp_S, "comp"))
    n_comps = size(struct_elements(comp_S.comp),1);
  else
    n_comps = 0;
  endif

  ## count number of internal ports
  if (struct_contains(comp_S, "port"))
    n_ports = size(struct_elements(comp_S.port),1);
  else
    n_ports = 0;
  endif

  ## read index from _cmp.m
  for i = 1:(n_comps + n_ports)
    [this_type, this_name] = eval(sprintf("%s_cmp(%i)", name, i));
    ## determine if internal port (and fix name) or subsystem
    if (strcmp(this_type, "SS") && (index(this_name, "[") == 1))
      comp_or_port = "port";
      this_name = mtt_strip_name(this_name);
    else
      comp_or_port = "comp";
    endif
    eval(sprintf("comp_S.%s.%s.index = %i", \
		 comp_or_port, this_name, i));
  endfor
      
  disp("--- Writing comp_S ---")
  comp_S
  disp("--- Finished extracting cmp.m data ---")



  ###########################################
  ## Start connections matrix (components) ##
  ###########################################
  disp("--- Started creating components ---")
  
  components = zeros(n_comps, max_bonds_on_component);
  if (struct_contains(comp_S, "comp"))
    for [comp, comp_name] = comp_S.comp
      components(comp.index,1:comp.n_bonds) = comp.bonds;
    endfor
  endif

  disp("--- Writing components ---")
  if (exist("components")) components endif
  disp("--- Halted creating components ---")



  ##########################################
  ## Assign names to all component ports  ##
  ##########################################
  disp("--- Assigning port names ---")

  if (struct_contains(comp_S, "comp"))
    for [comp, comp_name] = comp_S.comp

      if (strcmp(comp.type, "0") || strcmp(comp.type, "1"))
	disp("---- default junctions ----")
	if (comp.named_ports == 1)
	  
	  ## one named port, find it ...
	  for [port, bond_number] = comp.ports
	    if (! strcmp(port.name, "[]"))
	      the_name = port.name
	    endif
	  endfor
	  
	  ## ... and name all remaining ports identically
	  mtt_info(sprintf("Defaulting all ports on junction %s to %s",
			   comp_name, the_name));
	  for [port, bond_number] = comp.ports
	    eval(sprintf("comp.ports.%s.name = the_name", bond_number));
	  endfor
	  
	elseif ((comp.named_ports != 0)
		&& (comp.named_ports != comp.n_bonds))
	  mtt_error(sprintf("Junction %s must have 0, 1 or %i port \
						       labels", \
			    comp_name, comp.n_bonds));
	endif
	
      else
	
	## Not a junction
	unlabelled_ports = comp.n_bonds - comp.named_ports;
	if (unlabelled_ports == 1)
	  
	  ## find the unlabelled port ...
	  for [port, bond_number] = comp.ports
	    if (strcmp(port.name, "[]"))
	      
	      ## ... and name it [in] or [out]
	      if (port.sign == +1)
		port_name = "[in]";
	      elseif (port.sign == -1)
		port_name = "[out]";
	      endif
	      eval(sprintf("comp.ports.%s.name = '%s'",
			   bond_number, port_name));
	      E = "Defaulting port name %s\t on component %s (%s)";
	      mtt_info(sprintf(E, port_name, comp_name, comp.type),
		       infofile);
	    endif
	  endfor
	  
	elseif (unlabelled_ports == 2)
	  
	  ## find the unlabelled ports ...
	  clear unlabelled_port1
	  for [port, bond_number] = comp.ports
	    if (strcmp(port.name, "[]"))

	      if (exist("unlabelled_port1"))
		unlabelled_port2 = port;
		bond_number2 = bond_number;
	      else
		unlabelled_port1 = port;
		bond_number1 = bond_number;
	      endif
	    endif
	  endfor
	  
	  ## ... and try to assign [in] and [out]
	  if ((unlabelled_port1.sign == +1)
	      && (unlabelled_port2.sign == +1))
	    E = "More than one unlabelled INport on component %s (%s)";
	    mtt_error(sprintf(E, comp_name, comp.type));
	  elseif ((unlabelled_port1.sign == -1)
		  && (unlabelled_port2.sign == -1))
	    E = "More than one unlabelled OUTport on component %s (%s)";
	    mtt_error(sprintf(E, comp_name, comp.type));
	  else

	    if (unlabelled_port1.sign == +1)
	      name1 = "[in]";
	      name2 = "[out]";
	    elseif (unlabelled_port1.sign == -1)
	      name1 = "[out]";
	      name2 = "[in]";
	    endif
	    eval(sprintf("comp.ports.%s.name = '%s'",
			 bond_number1, name1));
	    eval(sprintf("comp.ports.%s.name = '%s'",
			 bond_number2, name2));
	    S = "Defaulting port name %s\t on component %s (%s)"    
	    mtt_info(sprintf(S, name1, comp_name, comp.type), infofile);
	    mtt_info(sprintf(S, name2, comp_name, comp.type), infofile);
	  endif
	endif
		
      endif 
      eval(sprintf("comp_S.comp.%s = comp", comp_name));
    endfor
  endif

  disp(" --- Finished assigning port names ---")



  ###################
  ## Apply aliases ##
  ###################
  disp(" --- Applying aliases --- ")

  for [comp, comp_or_port] = comp_S
    for [this, this_name] = comp



      if (! (strcmp(this.type, "0") || strcmp(this.type, "1")))

	eval(sprintf("alias = %s_alias", this.type));
	if (is_struct(alias))
	  for [port, port_name] = this.ports
	    label = mtt_strip_name(port.name);
	    if (struct_contains(alias, label))
	      eval(sprintf("new_name = alias.%s", label));
	      S = "Aliasing name [%s]\t on component %s (%s) to [%s]";
	      mtt_info(sprintf(S, label, this.name, this.type, \
			       new_name), infofile);	  
	      eval(sprintf("this.ports.%s.name = '[%s]'",
			   port_name, new_name));
	    endif
	  endfor
	endif	

      endif
      eval(sprintf("comp.%s = this", this_name));
    endfor
    eval(sprintf("comp_S.%s = comp", comp_or_port));
  endfor


  ## All ports should now be labelled
  disp(" --- Completed portnames and the corresponding bonds ---");
  


  ###########################
  ## Create n_vector_bonds ##
  ###########################
  disp(" --- n_vector_bonds ---")


  ## Find number of bonds on each component BEFORE vectorisation
  for [comp, comp_or_port] = comp_S
    for [this, this_name] = comp
      n_vector_bonds(this.index) = this.n_bonds;
    endfor
  endfor
  
  disp(" --- Completed n_vector_bonds ---")



  ## Create list of bonds
  bonds = causality;
  





  ## Now expand vector ports
  disp("Expanding vector ports");
  disp("... but not today!");
  
  ## Get subport names (if any)
  for [comp, comp_or_port] = comp_S
    for [this, this_name] = comp
      for [port, port_name] = this.ports
	[subports, port.n_subports] = split_port(port.name);
	if (port.n_subports > 1)
	  for i = 1:port.n_subports
	    eval(sprintf("port.subport%i.name = '%s'",
			 i, deblank(subports(i,:))));
	  endfor
	endif
	eval(sprintf("this.ports.%s = port", port_name));
      endfor
      eval(sprintf("comp.%s = this", this_name));
    endfor
    eval(sprintf("comp_S.%s = comp", comp_or_port));
  endfor

  ## Check that all vector bonds are in matching pairs
  for [comp, comp_or_port] = comp_S
    for [this, this_name] = comp
      for [port, port_name] = this.ports
	
	if (port.n_subports > 1)
	  ## find attached port
	  matched = 0;
	  
	  for [comp2, comp_or_port2] = comp_S
	    for [that, that_name] = comp2
	      for [other_port, other_port_name] = that.ports
				
		if (strcmp(port.name, other_port.name)) 
		  ## found a match ... check it is unique ...
		  if (matched == 1)
		    E = "Multiple matching vector ports: %s matches %s";
		    mtt_error(sprintf(E, port.name, other_port.name),
			      errorfile);
		  else
		    matched = 1;
		  endif
		  ## ... and now check sizes
		  if (port.n_subports == other_port.n_subports)
		    mtt_info(sprintf("Vector port: %s", port.name),
			     infofile);
		    mtt_info(sprintf("matching: %s", other_port.name)
			     , infofile);
		  else
		    E = "Vector port %s and %s are not compatible";
		    mtt_error(sprintf(E, port.name, other_port.name),
			      errorfile);
		  endif
		  
		endif
		## ensure that a match was found
		if (matched == 0)
		  E = "Vector port %s has no matching port";
		  mtt_error(E, port.name, errorfile);
		endif		
	      endfor
	    endfor

	  endfor
	endif

      endfor
    endfor
  endfor

endfunction

Modified mttroot/mtt/bin/trans/m/write_ibg.m from [65712522f3] to [eba86d514c]. 

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## -*-octave-*-

function write_ibg(system_name,bonds);
  
  fid = fopen([system_name,"_ibg.m"], "w");
  [nbonds, junk] = size(struct_elements(bonds));
  format_hc = "  %s.bonds.b%i.head.component\t= \"%s\";\n";
  format_tc = "  %s.bonds.b%i.tail.component\t= \"%s\";\n";
  format_hp = "  %s.bonds.b%i.head.ports\t= \"%s\";\n";
  format_tp = "  %s.bonds.b%i.tail.ports\t= \"%s\";\n";
  format_ce = "  %s.bonds.b%i.causality.effort\t= \"%s\";\n";
  format_cf = "  %s.bonds.b%i.causality.flow\t= \"%s\";\n";

  fprintf(fid, "## -*-octave-*-\n\n");
  fprintf(fid, "function [%s] = %s_ibg\n\n", system_name, system_name);
  fprintf(fid, "  ## Intermediate bond graph representation of %s\n", \
	  system_name);

  fprintf(fid, "  ## Generated by MTT on %s\n", ctime(time));







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## -*-octave-*-

function write_ibg(system_name,bonds);
  
  fid = fopen([system_name,"_ibg.m"], "w");
  [nbonds, junk] = size(struct_elements(bonds));
  format_hc = "  %s.bonds.bond%i.head.component\t= \"%s\";\n";
  format_tc = "  %s.bonds.bond%i.tail.component\t= \"%s\";\n";
  format_hp = "  %s.bonds.bond%i.head.ports\t= \"%s\";\n";
  format_tp = "  %s.bonds.bond%i.tail.ports\t= \"%s\";\n";
  format_ce = "  %s.bonds.bond%i.causality.effort\t= \"%s\";\n";
  format_cf = "  %s.bonds.bond%i.causality.flow\t= \"%s\";\n";

  fprintf(fid, "## -*-octave-*-\n\n");
  fprintf(fid, "function [%s] = %s_ibg\n\n", system_name, system_name);
  fprintf(fid, "  ## Intermediate bond graph representation of %s\n", \
	  system_name);

  fprintf(fid, "  ## Generated by MTT on %s\n", ctime(time));
︙︙

Modified mttroot/mtt/bin/trans/rbg2ibg_m from [ac5dd715a8] to [f7d2755771].

︙︙
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rm -f ${log}

# Inform user
echo Creating ${ibg}

# Use matrix manipulation to accomplish the transformation
${MATRIX} > ${log} 2> ${err} <<EOF
	name = '$1'
	infofile = fopen('mtt_info.txt', 'w');
	errorfile = fopen('mtt_error.txt', 'w');

	## Interpret the connections from the fig version
	[rbonds,rstrokes,rcomponents,port_coord,port_name,port_list] = $1_rbg;
	[n_ports, junk] = size(port_list);

	## Strip the directional information
	rbonds = rbonds(:,1:6);

	[bonds] = \
	    rbg2ibg(name,rbonds,rstrokes,rcomponents,port_coord,port_name, \
		    infofile,errorfile);

	## Write the intermediate bond graph m-file
	write_ibg(name,bonds);
EOF

# Errors and info
if [ "$info" = "info" ]; then
    cat mtt_info.txt
fi









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rm -f ${log}

# Inform user
echo Creating ${ibg}

# Use matrix manipulation to accomplish the transformation
${MATRIX} > ${log} 2> ${err} <<EOF
  name = '$1'
  infofile = fopen('mtt_info.txt', 'w');
  errorfile = fopen('mtt_error.txt', 'w');
  
  ## Interpret the connections from the fig version
  [rbonds,rstrokes,rcomponents,port_coord,port_name,port_list] = $1_rbg;
  [n_ports, junk] = size(port_list);
  
  ## Strip the directional information
  rbonds = rbonds(:,1:6);
  
  [bonds] = \
      rbg2ibg(name,rbonds,rstrokes,rcomponents,port_coord,port_name, \
	      infofile,errorfile);
  
  ## Write the intermediate bond graph m-file
  write_ibg(name,bonds);
EOF

# Errors and info
if [ "$info" = "info" ]; then
    cat mtt_info.txt
fi
︙︙

MTT: Model Transformation Tools
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