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numexpr 2.3.1 error with pandas 0.13.1 #6762

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@bluefir

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@bluefir

I just installed numexpr 2.3.1 with pandas 0.13.1 and got the following error:

File "C:\Python27\lib\site-packages\pandas\core\ops.py", line 496, in wrapper
arr = na_op(lvalues, rvalues)
File "C:\Python27\lib\site-packages\pandas\core\ops.py", line 443, in na_op
raise_on_error=True, *_eval_kwargs)
File "C:\Python27\lib\site-packages\pandas\computation\expressions.py", line 176, in evaluate
*_eval_kwargs)
File "C:\Python27\lib\site-packages\pandas\computation\expressions.py", line 104, in _evaluate_numexpr
*_eval_kwargs)
File "C:\Python27\lib\site-packages\numexpr\necompiler.py", line 738, in evaluate
NumExpr(ex, signature, *context)
File "C:\Python27\lib\site-packages\numexpr\necompiler.py", line 554, in NumExpr
precompile(ex, signature, context)
File "C:\Python27\lib\site-packages\numexpr\necompiler.py", line 498, in precompile
ast = typeCompileAst(ast)
File "C:\Python27\lib\site-packages\numexpr\necompiler.py", line 163, in typeCompileAst
% (ast.value + '
' + retsig+basesig))
NotImplementedError: couldn't find matching opcode for 'mul_bbb'

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    BugCompatpandas objects compatability with Numpy or Python functionsNumeric OperationsArithmetic, Comparison, and Logical operationsTestingpandas testing functions or related to the test suite

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