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[Octave-bug-tracker] [bug #56232] Octave crash when inverting an empty s


From: Rik
Subject: [Octave-bug-tracker] [bug #56232] Octave crash when inverting an empty sparse matrix.
Date: Tue, 7 May 2019 13:04:34 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko

Follow-up Comment #25, bug #56232 (project octave):

Tried the suggestion from comment #21 and UMFPACK still fails at the symbolic
factorization for


s = sparse (zeros (2));
inv (s)


and fails with 


error: inv: division by zero


for


s = sparse (ones (2));
s = s - s;
inv (s)


I can check later this evening with gdb to see what is happening.


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