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diff liboctave/CMatrix.cc @ 10779:add87b12e63c

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implement proper CGELSD/ZGELSD RWORK size formulas, as found in lapack SVN
author Jaroslav Hajek <highegg@gmail.com>
date Fri, 09 Jul 2010 14:12:59 +0200
parents 9d95d8ab7c3a
children 8c858a1a2079
line wrap: on
line diff
--- a/liboctave/CMatrix.cc
+++ b/liboctave/CMatrix.cc
@@ -2646,10 +2646,9 @@
       if (nlvl < 0)
         nlvl = 0;
 
-      nlvl += 1; // FIXME: workaround for bug in LAPACK 3.1.1
-
       octave_idx_type lrwork = minmn*(10 + 2*smlsiz + 8*nlvl)
-        + 3*smlsiz*nrhs + (smlsiz+1)*(smlsiz+1);
+        + 3*smlsiz*nrhs + std::max ((smlsiz+1)*(smlsiz+1),
+                                    n*(1+nrhs) + 2*nrhs);
       if (lrwork < 1)
         lrwork = 1;
       Array<double> rwork (lrwork, 1);