Interfacing function
eng

DERIV

File content

function [x,y,typ]=DERIV(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
case 'define' then
  model=scicos_model()
  model.sim=list('deriv',4)
  model.in=-1
  model.out=-1
  model.blocktype='x'
  model.dep_ut=[%t %t]
  
  exprs=[]
  gr_i=['xstringb(orig(1),orig(2),'' du/dt   '',sz(1),sz(2),''fill'');'
        'txt=''s'';'
        'style=5;'
        'rectstr=stringbox(txt,orig(1),orig(2),0,style,1);'
        'if ~exists(''%zoom'') then %zoom=1, end;'
        'w=(rectstr(1,3)-rectstr(1,2))*%zoom;'
        'h=(rectstr(2,2)-rectstr(2,4))*%zoom;'
        'xstringb(orig(1)+sz(1)/2-w/2,orig(2)-h-4,txt,w,h,''fill'');'
        'e=gce();'
        'e.font_style=style;']
  x=standard_define([2 2],model,exprs,gr_i)
end 
endfunction