Interfacing function
eng

##
MATLU

### File content

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

      model.in=-1
      model.in2=-1
      model.intyp=1
      //model.out=[siz(1);min(siz)]
      //model.out2=[min(siz);siz(2)]
      model.out=[-1;-1]
      model.out2=[-1;-1]
      model.outtyp=[1 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),'' LU '',sz(1),sz(2),''fill'');']
      x=standard_define([2 2],model,label,gr_i)
    end
    endfunction