Interfacing function
eng

##
MATMUL

### File content

    function [x,y,typ]=MATMUL(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,'*')==1 then label(2)=sci2exp(1),end //compatiblity
      while %t do
        [ok,typ,rule,exprs]=getvalue('Set MATMUL Block',..
    	    ['Datatype(1=real double 2=Complex)';
    	     'Multiplication rule (1= * 2= .* )'],list('vec',1,'vec',1),label)
        if ~ok then break,end
        if (typ<>1&typ<>2) then message("type is not supported");ok=%f;end
        if rule<>2 then rule=1;end
        if ((typ==1)&(rule==1)) then
    	junction_name='matmul_m';
        elseif ((typ==2)&(rule==1)) then
     	junction_name='matzmul_m';
        elseif((typ==1)&(rule==2)) then
     	junction_name='matmul2_m';
        elseif((typ==2)&(rule==2)) then
     	junction_name='matzmul2_m';
        end
        it=typ*ones(1,2);
        ot=typ
        if rule==1 then
        	in=[model.in model.in2];
        	out=[model.out model.out2];
        else
    	in=[-1 -2;-1 -2]
    	out=[-1 -2]
        end
        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()
      model.sim=list('matmul_m',4)

      model.in=[-1;-2]
      model.in2=[-2;-3]
      model.out=-1
      model.out2=-3
      model.dep_ut=[%t %f]

      label=[sci2exp(1)]
      gr_i=['xstringb(orig(1),orig(2),[''MATMUL''],sz(1),sz(2),''fill'');']
      x=standard_define([2 2],model,label,gr_i)
    end
    endfunction