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| From: | John W. Eaton |
| Subject: | [Octave-bug-tracker] [bug #56232] Octave crash when inverting an empty sparse matrix. |
| Date: | Wed, 8 May 2019 14:00:01 -0400 (EDT) |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 |
Follow-up Comment #43, bug #56232 (project octave):
It does seem bad to return a full array, but the same problems can happen for
non-singular sparse matrices since inversion can create a completely full
matrix.
In any case, we do need to avoid the segfault. It seems fine to me to always
allocate the index and data pointers and ensure nzmax is at least 1 on both
stable and default.
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