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| From: | anonyme |
| Subject: | [Octave-bug-tracker] [bug #56232] Octave crash when inverting an empty sparse matrix. |
| Date: | Tue, 7 May 2019 08:48:59 -0400 (EDT) |
| User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0 |
Follow-up Comment #17, bug #56232 (project octave):
@Marco
Can you try
sparms("spumoni", 6); lu(sparse(2,2,0))
under both matlab and octave. UMFPACK is probably configured differently.
Doing this under Octave, UMFPACK returns the error "ERROR: Ai missing". So
UMFPACK is testing the column indexes, finding this its a null pointer and
crashing
David
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