I wonder if this is related to this: https://github.com/sympy/sympy/pull/2678
Would somebody help me review it please? Ondrej On Tue, Jan 21, 2014 at 6:42 PM, Aaron Meurer <[email protected]> wrote: > I'm not sure if SymPy has much to say in the matter. This strikes me > as entirely NumPy's behavior. > > Aaron Meurer > > On Sat, Jan 18, 2014 at 3:05 PM, F. B. <[email protected]> wrote: >> I came across with this strange behavior: >> >> In [1]: o=numpy.array(3, dtype=object) >> >> In [2]: o >> Out[2]: array(3, dtype=object) >> >> In [3]: o.ndim >> Out[3]: 0 >> >> In [4]: S.One*o >> Out[4]: 3.00000000000000 >> >> In [7]: e=numpy.array([3], dtype=object) >> >> In [8]: e.ndim >> Out[8]: 1 >> >> In [9]: S.One*e >> Out[9]: 3.00000000000000 >> >> In [10]: u = numpy.array([3, 4, 5], dtype=object) >> >> In [11]: S.One*u >> Out[11]: array([3, 4, 5], dtype=object) >> >> >> When S.One gets multiplied by either a rank zero or rank one numpy.ndarray >> with a sympy integer or python integer, the result is converted to float. I >> think this is the default behavior in numpy upon multiplication by python >> integers. >> >> But is this good when the multiplication involves sympy integers? I think >> that the result should still be a sympy integer. >> >> -- >> 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 http://groups.google.com/group/sympy. >> For more options, visit https://groups.google.com/groups/opt_out. > > -- > 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 http://groups.google.com/group/sympy. > For more options, visit https://groups.google.com/groups/opt_out. -- 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 http://groups.google.com/group/sympy. For more options, visit https://groups.google.com/groups/opt_out.
