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GELSY: no rank computation for NRHS=0 #259

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amigalemming opened this issue Jun 18, 2018 · 0 comments · Fixed by #833
Closed

GELSY: no rank computation for NRHS=0 #259

amigalemming opened this issue Jun 18, 2018 · 0 comments · Fixed by #833

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@amigalemming
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Documentation of RANK claims that it would contain the rank of A after the call to GELSY. However, if there are no right-hand side vectors (NRHS=0) then the returned RANK is zero. In contrast, GELSS also computes the rank if NRHS=0.
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Adds comment related to zero-sized matrix B in GELSY weslleyspereira/lapack
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@amigalemming