[Octave-bug-tracker] [bug #38423] [k:l:m] not compatible for m = -0

[Rik]

Follow-up Comment #8, bug #38423 (project octave):

Range::min() and Range::max() are never called unless there is at least one
element in the range.  

On the second question, when you create an empty range, such as 1:-1:2, you do
not get a null range but actually a null matrix gets created.  You can check
with typeinfo() and the return object is not "range" but "matrix".  The
dimensions of the null matrix are 1x0 as one can get, for example, by "ones
(1,0)".  Unless there is a compelling reason to have the dimensions be exactly
0x0 I would let sleeping dogs lie because I couldn't quickly figure out which
code is generating this particular matrix.

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