Comment #2 on issue 1512 by Toon.Verstraelen: internal code broken in
sympy.core.numbers
http://code.google.com/p/sympy/issues/detail?id=1512
I did bother me before, but I didn't get a clue what was going wrong:
Before your patch:
>>> from sympy import *
>>> x = symbols('x')
>>> N(E+x)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "sympy/core/evalf.py", line 1054, in N
return sympify(x).evalf(n, **options)
File "sympy/core/evalf.py", line 1013, in Basic_evalf
v = x._eval_evalf(prec)
File "sympy/core/basic.py", line 1989, in _seq_eval_evalf
return self.__class__(*[s._evalf(prec) for s in self.args])
File "sympy/core/basic.py", line 1980, in _evalf
r = self._eval_evalf(prec)
File "sympy/core/numbers.py", line 1331, in _eval_evalf
return Real._new(self._as_mpf_val(prec), prec)
File "sympy/core/numbers.py", line 1403, in _as_mpf_val
return mlib.fe(prec)
AttributeError: 'module' object has no attribute 'fe'
After:
>>> from sympy import *
>>> x = symbols('x')
>>> N(E+x)
2.71828182845905 + x
Thanks! I've attached a patch with tests.
Attachments:
0002-Tests-for-issue-1512.patch 1.4 KB
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