[GiNaC-list] unevaluated add in the result of imag_form()

[Richard B. Kreckel]

Hi!

Richard B. Kreckel wrote:
> Burcin Erocal wrote:
>> Note that the second argument of atan2 is an add object in a rather
>> unusual form: 48+4*(-22)
>>
>> Is this intended behavior?
> 
> Definitely not. A simpler case exhibiting the same problem is 
> real_part(1+2*(sqrt(2)+1)*(sqrt(2)-1)).
> 
> It seems to me that add::eval() is a little bit too simple-minded: 
> add::real_part() returns an add with overall_coeff 1 and an expair with 
> rest 1 and coeff 2, i.e. 1+2*1, but there is no case in add::eval() to 
> take care of this.

I've pushed a patch to the repository.
Thanks a lot for reporting this.

   -richy.
-- 
Richard B. Kreckel
<http://www.ginac.de/~kreckel/>