https://github.com/sympy/sympy/wiki/development-workflow
Aaron Meurer On Tue, Jun 25, 2013 at 9:16 AM, Shawn Garbett <[email protected]> wrote: > I figured out the problem. It's in evalf_symbol. > > def evalf_symbol(x, prec, options): > val = options['subs'][x] > > The x is the actual symbol and the numpy array provided is indexed by the > string representation of the symbol. > > Numpy can't index by a Symbol, ugh. > > In [23]: x = array([(1.1, 2.2), (3.3, 4.4), (5.5, 6.6)], > dtype=[(Symbol('s0'), '<f8'), (Symbol('s1'), '<f8')]) > --------------------------------------------------------------------------- > TypeError Traceback (most recent call last) > <ipython-input-23-3b59912775d8> in <module>() > ----> 1 x = array([(1.1, 2.2), (3.3, 4.4), (5.5, 6.6)], > dtype=[(Symbol('s0'), '<f8'), (Symbol('s1'), '<f8')]) > > TypeError: data type not understood > > Could the evalf_symbol be modified to try the string representation as a > fallback position, i.e. the path of least surprise? > > def evalf_symbol(x, prec, options): > try: > val = options['subs'][x] > except IndexError: > val = options['subs'][x.name] > > If this is an acceptable change, could someone point me in the direction of > how to submit properly (e.g. ticket/ patch procedure)? > > -- > 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.
