Bugs item #878908, was opened at 2004-01-17 17:05 Message generated for change (Settings changed) made by gbrandl You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=105470&aid=878908&group_id=5470
Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None >Status: Closed >Resolution: Works For Me Priority: 5 Submitted By: Colin J. Williams (cjwhrh) Assigned to: Nobody/Anonymous (nobody) Summary: suspect documentation of operator.isNumberType Initial Comment: The docs appear to draw a distinction between containers and simple classes. I had expected the NumberType to include IntType, LongType, FloatType, ComplexType and, perhaps BoolType, but no others. The attached script shows that it includes the BoolType, but it also includes the numarray.array. On the other hand, it does not include array.array. This is to suggest that either the docs be clarified or a probably bug be reported. ---------------------------------------------------------------------- Comment By: Tim Peters (tim_one) Date: 2004-01-18 04:49 Message: Logged In: YES user_id=31435 Sorry, I don't understand your point. bool is a subtype of int, so of course it "acts like a number". numarray isn't part of the Python core, so the core Python docs have nothing to say about it. It seems reasonable to me for a numarray.array to say it's numeric, because it supports numeric operations (for example, you can add 1 to a numeric.array, and it broadcasts the scalar; you cannot add 1 to an array.array -- there's nothing number-like about array.arrays). More formally, numarray.array fills in the type object's tp_as_number slot at the C level, while array.array does not. That's the only clue Python has as to whether a type is "number-like", and is (almost) the only thing the implementation of isNumberType looks at. ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=105470&aid=878908&group_id=5470 _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
