> What would be the best place to do a bug report ? Github ? Yes, we have our bug tracker on github. File an issue [here]( https://github.com/sympy/sympy/issues).
On 9 March 2016 at 23:46, Vincent Noel <[email protected]> wrote: > Many thanks Aaron ! > > What would be the best place to do a bug report ? Github ? > > Vincent > > On Tuesday, March 8, 2016 at 6:48:46 PM UTC-3, Aaron Meurer wrote: >> >> I think the evaluation of booleans happens in the superclass >> (LatticeOp), which ignores the evaluate flag. It should probably be >> considered a bug. A simple workaround would be to use Symbol("true") >> and Symbol("false") instead of S.true and S.false (and replace them >> with their true boolean counterparts when you wish to evaluate them). >> >> Aaron Meurer >> >> On Tue, Mar 8, 2016 at 3:49 PM, Vincent Noel >> <[email protected]> wrote: >> > Hi ! >> > >> > I'm working on a project where I need to save expressions unevaluated. >> So >> > far so good, but I'm having a problem with boolean operators. >> > Here is an example of expression (coming from test units, thus the >> apparent >> > weirdness) : >> > >> > True && False >> > >> > which I'm writing in Sympy as : >> > >> > sympy.And(sympy.true, sympy.false, evaluate=False) >> > >> > Problem is that, contrary to other sympy operators/functions, the >> > evaluate=False seems to have no effect. This always evaluate the >> expression >> > Is there any other way to prevent that ? Am I doing something wrong ? >> > >> > Many thanks for what is already an awesome library :) >> > >> > Vincent >> > >> > -- >> > You received this message because you are subscribed to the Google >> Groups >> > "sympy" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> an >> > email to [email protected]. >> > To post to this group, send email to [email protected]. >> > Visit this group at https://groups.google.com/group/sympy. >> > To view this discussion on the web visit >> > >> https://groups.google.com/d/msgid/sympy/9dcb1f6a-2f2c-4a2e-bd46-7d6fe19c9b82%40googlegroups.com. >> >> > For more options, visit https://groups.google.com/d/optout. >> > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/49a3047a-347e-4299-a1a2-c2cda27eef5a%40googlegroups.com > <https://groups.google.com/d/msgid/sympy/49a3047a-347e-4299-a1a2-c2cda27eef5a%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- Regards *Sartaj Singh* *Mathematics and Computing*, Indian Institute of Technology, Varanasi - 221 005 INDIA E-mail: [email protected], *[email protected] <[email protected]>* -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAC%2BH8-EOm6PtAyOMjiMuAYBU%2BMQcAtu4vwJLi48pHVDFxztHnA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
