Interfacing function
eng

##
MATINV

### File content

    function [x,y,typ]=MATINV(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;label=graphics.exprs
      model=arg1.model;
      if size(label,'*')==14 then label(9)=[],end //compatiblity
      while %t do
        [ok,typ,exprs]=getvalue('Set MATINV Block',..
    	    ['Datatype(1=real double  2=Complex)'],list('vec',1),label)
        if ~ok then break,end
        if (typ==1) then
    	junction_name='mat_inv';
          	ot=1;
    	it=1;
        elseif (typ==2) then
     	junction_name='matz_inv';
          	ot=2;
    	it=2;
        else message("Datatype is not supported");ok=%f;
        end
        in=[model.in model.in2];
        out=[model.out model.out2];
        funtyp=4;
        if ok then
          label=exprs;
          [model,graphics,ok]=set_io(model,graphics,list(in,it),list(out,ot),[],[])
          model.sim=list(junction_name,funtyp);
          graphics.exprs=label;
          arg1.graphics=graphics;arg1.model=model;
          x=arg1
          break
        end
      end
    case 'define' then
      model=scicos_model()
      junction_name='mat_inv';
      funtyp=4;
      model.sim=list(junction_name,funtyp)

      model.in=-1
      model.in2=-1
      model.intyp=1
      model.out=-1
      model.out2=-1
      model.outtyp=1
      model.evtin=[]
      model.evtout=[]
      model.state=[]
      model.dstate=[]
      model.rpar=[]
      model.ipar=[]
      model.blocktype='c'
      model.firing=[]
      model.dep_ut=[%t %f]
      label=[sci2exp(1)];
      gr_i=['xstringb(orig(1),orig(2),'' INV '',sz(1),sz(2),''fill'');']
      x=standard_define([2 2],model,label,gr_i)
    end
    endfunction