Interfacing function
eng

##
DEMUX_f

### File content

    function [x,y,typ]=DEMUX_f(job,arg1,arg2)
    // Copyright INRIA
      x=[];y=[];typ=[];
      select job
       case 'plot' then
        standard_draw(arg1)
       case 'getinputs' then
        [x,y,typ]=standard_inputs(arg1)
       case 'getoutputs' then
        [x,y,typ]=standard_outputs(arg1)
       case 'getorigin' then
        [x,y]=standard_origin(arg1)
       case 'set' then
        x=arg1;
        graphics=arg1.graphics;exprs=graphics.exprs
        model=arg1.model;
        while %t do
          [ok,out,exprs]=getvalue('Set DEMUX block parameters',..
    			      ['number of output ports or vector of sizes'],list('vec',-1),exprs)
          if ~ok then break,end
          if size(out,'*')==1 then
    	if out<2 | out>8 then
    	  message('Block must have at least 2 and at most 8 output ports')
    	  ok=%f
    	else
    	  [model,graphics,ok]=check_io(model,graphics,0,-[1:out]',[],[])
    	end
          else
            if size(out,'*')<2| size(out,'*')>8|or(out==0) then
    	  message(['Block must have at least 2 and at most 8 output ports';
    		'and size 0 is not allowed']   )
    	  ok=%f
    	else
    	  if min(out)<0 then nin=0,else nin=sum(out),end
    	  [model,graphics,ok]=check_io(model,graphics,nin,out(:),[],[])
    	  if ok then out=size(out,'*'),end
    	end
          end
          if ok then
    	graphics.exprs=exprs;model.ipar=out
    	x.graphics=graphics;x.model=model
    	break
          end
        end
       case 'define' then
        out=2
        model=scicos_model()
        model.sim=list('demux',1)
        model.in=0 //????
        model.out=-[1:out]'
        model.ipar=out
        model.blocktype='c'
        model.firing=[]
        model.dep_ut=[%t %f]

        exprs=string(out)
        gr_i='xstringb(orig(1),orig(2),''Demux'',sz(1),sz(2),''fill'')'
        x=standard_define([2 2],model,exprs,gr_i)
      end
    endfunction