Status: Valid
Owner: ----
Labels: Type-Defect Priority-Medium Evalf EasyToFix
New issue 3808 by [email protected]: Calling .evalf() on indefinite
integral throws an exception
http://code.google.com/p/sympy/issues/detail?id=3808
I get this traceback:
from sympy import Integral
from sympy.abc import x
Integral(x, x).evalf()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "sympy/core/evalf.py", line 1280, in evalf
result = evalf(self, prec + 4, options)
File "sympy/core/evalf.py", line 1180, in evalf
r = rf(x, prec, options)
File "sympy/core/evalf.py", line 954, in evalf_integral
result = do_integral(expr, workprec, options)
File "sympy/core/evalf.py", line 865, in do_integral
x, xlow, xhigh = expr.args[1]
ValueError: need more than 1 value to unpack
We need to check the limits of integration and raise NotImplementedError
for indefinite integrals, then proceed to calling do_integral only for
definite integrals. evalf_sum already seems to do this correctly.
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