[Bug 263781] Re: Some slices of Numeric.array are wrong

[mazerj]

Same problem in karmic 9.10 x64 (Numeric 24.2, python 2.6.4 and
2.5.4).

It may be a 64/32bit problem, since it doesn't happen on my
32bit 9.04 machines (don't have a 32bit 9.10 install to test)

The problem is that an unspecified stride gets set to 0 under some
circumstances. Here's a minimal fragment to show the problem:

>>> Import Numeric, numpy
>>> Numeric.arange(1,5)[2:]
>>> zeros((0,), 'l')
>>> numpy.arange(1,5)[2:]
array([3, 4])
>>> range(1,5)[2:]
[3, 4]

numpy and builtin range show the correct behavior, Numeric's
wrong. This is a fairly serious problem for people using Numeric
for number crunching..

-- 
Some slices of Numeric.array are wrong
https://bugs.launchpad.net/bugs/263781
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