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% GLE - Graphics Layout Engine <http://www.gle-graphics.org/>          %
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%%\psgraphin{loop}{15.0}{25.0}{Loop, Subroutines}
\graphin{appendix/fig/loop}{15.0cm}{25.0cm}{1}
\addcontentsline{toc}{section}{Loop, Subroutines}
\clearpage
\begin{center}
\begin{minipage}[t]{12.0cm}
%%\input{loop.gle}
{\scriptsize %\footnotesize
\begin{verbatim}
size 17 17 box !18 24 box		! This is LOOP.GLE, shows programming examples
amove 5 14
set just center hei 1
text Subroutines, Loops
set just left hei .7
set hei .9

! First define a single neuron
sub neuron xx yy
   amove xx yy 
   begin scale .5 .5
      curve  0  .4  .4  .4  .4 -.4  .4  .4  .4 -.8 -.4 -.8 -.4 .4
      curve -.4 -.8 -.4  .4 -.4 -.4 -.4  .4  0  .4   
      closepath
   end scale
end sub

! Draw the neurons
for xx = 0 to 1
   for i = 1 to 6
      @neuron xx*6+2 i*2+1.2
   next i
next xx

! Draw the lines between them
for i = 1 to 6
   for j = 1 to 6
      amove 3 i*2+1
      aline 7.5 j*2+1
   next j
next i

!--------------------------------------------------------------------------
include ziptext.gle
amove 12 1
@ziptext "Hello"
amove 13 4
begin rotate 20
   @ziptext "Green trees"
end rotate
\end{verbatim}
}
\hfill {\small loop.gle}\\
%
%%\input{loop.gle}
{\scriptsize %\footnotesize
\begin{verbatim}
sub ziptext tt$
gsave
for i = 1 to 0 step -.05
	set color (i)
	write tt$ 
	rmove -.05 .025
next i
set color white
write tt$ 
grestore
end sub

\end{verbatim}
}
\hfill {\small ziptext.gle}\\
%
\end{minipage}
\end{center}
\vfill
