[Numpy-discussion] ufunc oddities
Charles R Harris
Sat May 24 22:12:38 CDT 2008
On Sat, May 24, 2008 at 9:06 PM, Robert Kern <firstname.lastname@example.org> wrote:
> On Sat, May 24, 2008 at 10:02 PM, Charles R Harris
> <email@example.com> wrote:
> > So what about the rule that the array type takes precedence over the
> > type? That is broken for booleans.
> Yes, and if it wasn't an intentional special case (I don't recall
> discussing it on the list, but it might have been), then it's a bug
> and suitable for changing. The other behaviors are intentional and
> thus not suitable for changing.
So how do we know which is which? How does one write a test for an
unspecified behavior? And it is clear that add.reduce breaks the rules for
booleans. The result is that the boolean add function doesn't in fact *have*
a reduce method.
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