On Fri, Nov 27, 2009 at 3:13 PM, Dieter Kaiser <drdieterkaiser at web.de> wrote:
> By the way, we have a lot of global variables in the code. One of the
> globals I do not like is the variable EXP, others are VAR, ARG or ANS.
> The algorithm in compar.lisp use global variables a lot. The code is
> difficult to debug, because the routines do not return a value, but set
> global variables like SIGN, MINUS, EVENS, or ODDS. I am always in doubt,
> if we do not have subtle bugs because of these global variables.
I'm in favor of cleaning up special variables as the opportunity arises.
Just updating one file at a time is useful work.
Keep up the good work!
Robert Dodier