On 11/17/08, Barton Willis <willisb at unk.edu> wrote:
> Generally, I think simplifying functions should not call asksign.
Agreed 100%.
> atan2(x,x) --> if equal(x,0) then und else signum(x) * %pi / 4,
>
> but this is more of a mess than a simplification, I think.
Agreed, let's hold off on that stuff until the rest of Maxima
knows what to do with conditional expressions.
> If it's OK with you all, I propose that we (we = I) eliminate the asksign stuff
> from atan2.
Yes, please go ahead.
> A better atan2 function should pave the way for a better carg
> function.
Yes, that is very important. Thanks for working toward that goal.
best
Robert Dodier