Interfacing function
eng

##
GENSIN_f

### File content

    function [x,y,typ]=GENSIN_f(job,arg1,arg2)
    // Copyright INRIA
    x=[];y=[];typ=[];
    select job
    case 'plot' then
      standard_draw(arg1)
    case 'getinputs' then
      x=[];y=[];typ=[];
    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,M,F,P,exprs]=getvalue(['Set Gen_SIN Block'],..
    	    ['Magnitude';'Frequency';'phase'],..
    	    list('vec',1,'vec',1,'vec',1),exprs)
        if ~ok then break,end
        if F<0 then
          message('Frequency must be positive')
          ok=%f
        end
        [model,graphics,ok]=check_io(model,graphics,[],1,[],[])
        if ok then
          model.rpar=[M;F;P]
          graphics.exprs=exprs;
          x.graphics=graphics;x.model=model
          break
        end
      end
    case 'define' then
      rpar=[1;1;0]
      model=scicos_model()
      model.sim='gensin'
      model.in=[]
      model.out=1
      model.rpar=[1;1;0]
      model.blocktype='c'
      model.dep_ut=[%f %t]

      exprs=[string(rpar(1));string(rpar(2));string(rpar(3))]
      gr_i=['txt=[''sinusoid'';''generator''];';
        'xstringb(orig(1),orig(2),txt,sz(1),sz(2),''fill'');']
      x=standard_define([3 2],model,exprs,gr_i)
    end
    endfunction