INTRP2BLK_f_intfunc

Interfacing function
eng

##
INTRP2BLK_f

### File content

    function [x,y,typ]=INTRP2BLK_f(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;exprs=graphics.exprs
      model=arg1.model;
      while %t do
        [ok,a,b,c,exprs]=getvalue('Set Interpolation block parameters',..
    	['X coord.';'Y coord.';'Z values'],list('vec',-1,'vec',-1,'mat',[-1,-1]),exprs)
        if ~ok then break,end
        if size(a,'*') <> size(c,'c') | size(b,'*') <> size(c,'r') then
          message('incompatible dimension')
        elseif min(a(2:$)-a(1:$-1)) <=0 | min(b(2:$)-b(1:$-1)) <=0 then
          message('X and Y must be strictly increasing')
        else
          if ok then
    	graphics.exprs=exprs
    	model.rpar=[a(:);b(:);c(:)]
    	model.ipar=[size(a,'*');size(b,'*')]
    	x.graphics=graphics;x.model=model
    	break
          end
        end
      end
    case 'define' then
      a=[0;1];b=[0;1];c=[0 1;1 2]
      model=scicos_model()
      model.sim=list('intrp2',1)
      model.in=[1;1]
      model.out=1
      model.rpar=[a;b;c(:)]
      model.ipar=[2;2]
      model.blocktype='c'
      model.dep_ut=[%t %f]
      exprs=[strcat(sci2exp(a));strcat(sci2exp(b));strcat(sci2exp(c,0))]
      gr_i=['xstringb(orig(1),orig(2),''interp2'',sz(1),sz(2),''fill'');']
      x=standard_define([3 2],model,exprs,gr_i)
    end
    endfunction