Interfacing function
eng

##
MUX_f

### File content

    function [x,y,typ]=MUX_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,in,exprs]=getvalue('Set MUX block parameters',..
    	'number of input ports or vector of sizes',list('vec',-1),exprs)
        if ~ok then break,end
        if size(in,'*')==1 then
          if in<2|in>8 then
    	message('Block must have at least two input ports and at most eight')
    	ok=%f
          else
    	[model,graphics,ok]=check_io(model,graphics,-[1:in]',0,[],[])
          end
        else
          if size(in,'*')<2| size(in,'*')>8|or(in==0) then
    	message(['Block must have at least two input ports';
    		 'and at most eight, and size 0 is not allowed. '])
    	ok=%f
          else
    	if min(in)<0 then nout=0,else nout=sum(in),end
    	[model,graphics,ok]=check_io(model,graphics,in(:),nout,[],[])
    	if ok then in=size(in,'*'),end
          end
        end
        if ok then
          graphics.exprs=exprs;model.ipar=in
          x.graphics=graphics;x.model=model
          break
        end
      end
     case 'define' then
      in=2
      model=scicos_model()
      model.sim=list('mux',1)
      model.in=-[1:in]'
      model.out=0
      model.ipar=in
      model.blocktype='c'
      model.dep_ut=[%t %f]

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