[Numpy-discussion] in the NA discussion, what can we agree on?
njs at pobox.com
Fri Nov 4 18:12:26 EDT 2011
On Fri, Nov 4, 2011 at 3:04 PM, Nathaniel Smith <njs at pobox.com> wrote:
> On Fri, Nov 4, 2011 at 11:59 AM, Pauli Virtanen <pav at iki.fi> wrote:
>> If classified this way, behaviour of items in np.ma arrays is different
>> in different operations, but seems roughly PdX, where X stands for
>> returning a masked value with the first argument as the payload in
>> binary ops if either argument is masked.
> No -- np.ma implements the assignment semantics I described above, not
> "d" semantics. Trimming some output for readability:
Oops, I see we cross-posted :-). So never-mind that part of my email...
Okay, I'm going to follow my own suggestion now and stop talking about
these thorny details until I know whether we can simplify the
discussion to only considering schemes that are consistent with the
rules I posted about here:
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