Interfacing function
eng

##
Modulo_Count

### File content

    function [x,y,typ]=Modulo_Count(job,arg1,arg2)
    // Copyright INRIA
    x=[];y=[];typ=[];
    select job
     case 'plot' then
      graphics=arg1.graphics;base=evstr(graphics.exprs(2))
      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,ini_c,base,exprs]=getvalue('Set Modulo_Count  block parameters',..
    	['initial state (>=0)';'Modulo what number (>0)'],list('vec',1,'vec',1),exprs)
        if ~ok then break,end
        ini_c=int(ini_c);base=int(base);
        if ini_c<0|base<=0 then
          message('values  must be positive')
        else
          graphics.exprs=exprs
          model.ipar=base;
          model.dstate=ini_c;
          x.graphics=graphics;x.model=model
          break
        end
      end
    case 'define' then
      ini_c=0
      base=3
      model=scicos_model()
      model.sim=list('modulo_count',4)
      model.evtin=1
      model.out=1
      model.dstate=ini_c
      model.ipar=base
      model.blocktype='c'
      model.dep_ut=[%f %f]

      exprs=[string(ini_c);string(base)]
      gr_i=['xstringb(orig(1),orig(2),[''  Counter'';''Modulo ''+string(base)],sz(1),sz(2),''fill'');']
      x=standard_define([3 2],model,exprs,gr_i)
    end
    endfunction