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From: | Dmitri A. Sergatskov |
Subject: | [Octave-bug-tracker] [bug #56037] qp exits with an indexing error for a specific input with OpenBLAS |
Date: | Wed, 3 Apr 2019 15:22:33 -0400 (EDT) |
User-agent: | Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:66.0) Gecko/20100101 Firefox/66.0 |
Follow-up Comment #15, bug #56037 (project octave): I do not get error code 3 any more, but the answers are different depending on blas version. Perhaps the problem is ill-posed... (default, with openblas) octave -q -f octave:1> try1 x = 0.50000 0.00000 0.50000 0.00000 0.00000 -0.00000 0.00000 0.00000 info = 1.4050e-31 obj = scalar structure containing the fields: solveiter = 8 info = 0 lambda = -1.7790e-47 0.0000e+00 0.0000e+00 4.9304e-31 0.0000e+00 0.0000e+00 0.0000e+00 4.9304e-31 0.0000e+00 4.9304e-31 0.0000e+00 4.9304e-31 0.0000e+00 4.9304e-31 0.0000e+00 4.9304e-31 0.0000e+00 With atlas: LD_PRELOAD=/usr/lib64/atlas/libtatlas.so octave -q -f octave:1> try1 x = 0.50000 -0.00000 0.00000 0.00000 0.35884 -0.00000 0.00000 0.14116 info = 3.0830e-33 obj = scalar structure containing the fields: solveiter = 14 info = 0 lambda = 4.5213e-17 0.0000e+00 0.0000e+00 4.5213e-17 0.0000e+00 4.5213e-17 0.0000e+00 0.0000e+00 0.0000e+00 0.0000e+00 0.0000e+00 4.5213e-17 0.0000e+00 4.5213e-17 0.0000e+00 0.0000e+00 0.0000e+00 with reference blas: LD_PRELOAD=/usr/lib64/libblas.so.3 octave -q -f octave:1> try1 x = 0.12500 0.23988 0.00000 0.00000 0.00000 0.00000 0.00000 0.63512 info = 0.56250 obj = scalar structure containing the fields: solveiter = 6 info = 0 lambda = 0.50000 0.00000 0.00000 0.00000 0.00000 1.00000 0.00000 1.00000 0.00000 1.00000 0.00000 1.00000 0.00000 1.00000 0.00000 0.00000 0.00000 Dmitri. _______________________________________________________ Reply to this item at: <https://savannah.gnu.org/bugs/?56037> _______________________________________________ Message sent via Savannah https://savannah.gnu.org/
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