%flow.fg2:
\flowchart{\flowstart\flowinput{$x$}
\flowdecide{Y}{N}{}{$x<0$}
\flowendmiddlepart
\flowleftpart\flowcompute{$|x|=-x$}
\flowendleftpart
\flowrightpart\flowcompute{$|x|=x$}
\flowendrightpart\flowcombine
\flowoutput{$|x|$}\flowend}