[Numpy-discussion] Floating point "close" function?

Robert Kern robert.kern@gmail....
Sat Mar 3 10:10:12 CST 2012


On Sat, Mar 3, 2012 at 16:06, Olivier Delalleau <shish@keba.be> wrote:
> Le 3 mars 2012 11:03, Robert Kern <robert.kern@gmail.com> a écrit :
>>
>> On Sat, Mar 3, 2012 at 15:51, Olivier Delalleau <shish@keba.be> wrote:
>> > Le 3 mars 2012 10:27, Robert Kern <robert.kern@gmail.com> a écrit :
>> >>
>> >> On Sat, Mar 3, 2012 at 14:34, Robert Kern <robert.kern@gmail.com>
>> >> wrote:
>> >> > On Sat, Mar 3, 2012 at 14:31, Ralf Gommers
>> >> > <ralf.gommers@googlemail.com>
>> >> > wrote:
>> >>
>> >> >> Because this is also bad:
>> >> >>>>> np.<TAB>
>> >> >> Display all 561 possibilities? (y or n)
>> >> >
>> >> > Not as bad as overloading np.allclose(x,y,return_array=True). Or
>> >> > deprecating np.allclose() in favor of np.close().all().
>> >>
>> >> I screwed up this paragraph. I meant that as "Another alternative
>> >> would be to deprecate ...".
>> >
>> >
>> > np.close().all() would probably be a lot less efficient in terms of CPU
>> > /
>> > memory though, wouldn't it?
>>
>> No. np.allclose() is essentially doing exactly this already.
>
>
> Ok. What about then, np.allclose() could theoretically be a lot more
> efficient in terms of CPU / memory? ;)

True, but so could a hypothetical np.allequal(), np.allless_equal(), etc.

-- 
Robert Kern


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