]> https://gitweb.dealii.org/ - dealii.git/commitdiff
add a link to LAPACK forums
authorDenis Davydov <davydden@gmail.com>
Mon, 18 Dec 2017 17:15:05 +0000 (18:15 +0100)
committerDenis Davydov <davydden@gmail.com>
Tue, 19 Dec 2017 12:27:14 +0000 (13:27 +0100)
source/lac/lapack_full_matrix.cc

index db569d11a6e978cdf424e4efd9a35b548c881122..5645f64f4e9717c49f18eea05f97feb041c68742 100644 (file)
@@ -226,6 +226,7 @@ namespace
     // 6.5.4 Cholesky Updating and Downdating, Golub 2013 Matrix computations
     // Note that potrf() is called with LAPACKSupport::L , so the
     // factorization is stored in lower triangular part.
+    // Also see discussion here http://icl.cs.utk.edu/lapack-forum/viewtopic.php?f=2&t=2646
     if (a > 0.)
       {
         // simple update via a sequence of Givens rotations.

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