Re: proposal to change acosh



Barton Willis wrote:
> I suggest that we change Maxima so that
> 1.0 * x --> 1.0 * x,
> 1.0b0 * x --> 1.0b0 * x.

I think this is a good idea.  Have no idea how to do that, though.

> For now, evaluation of trig functions with complex big float
> arguments isn't automatic --- a user still needs to use rectform.

I've fixed some of the bigfloat issues (see the bug reports).  I also
have some more accurate complex bigfloat versions of sinh/asinh and
tanh/atanh, and sqrt.

> errors or non-standard branch cuts; I also discovered errors
> in trigexpand for sec and csc.  The trigexpand code is too
> recondite for me to understand. Maybe someone else would
> like to fix these bugs (see my bug reports).

I can't say I really understand the code either, but I think the
trigexpand issues are fixed.  See the bug reports.

I think the changes you've made are quite nice.  It was always a pain to
have to use rectform.  Now we just need to make it work for bigfloats. :-)


Ray