The latest lapack has a bug in the way it handles something related to singular value decomposition (SVD). A LOT of algorithms depend on SVD lapack downstream, so this is pretty important to fix. Especially as it impacts my dissertation code ;) Here is the Lapack bug (they might understate its importance): http://icl.cs.utk.edu/lapack-forum/archives/lapack/msg01219.html Thanks! How-To-Repeat: I encounter the problem in Octave. So... run octave, and you get the following. You should NOT see an error in line #2: 1> aa = rand(2,4) a = 0.67848 0.87562 0.32506 0.53669 0.42031 0.70204 0.37300 0.34772 2> svd(a) ** On entry to DORGLQ parameter number 5 had an illegal value error: svd: exception encountered in Fortran subroutine dgesvd_
Responsible Changed From-To: freebsd-ports-bugs->maho fix synopis and assign
State Changed From-To: open->closed Fixed, thanks!
maho 2012-03-12 07:47:17 UTC FreeBSD ports repository Modified files: math/lapack Makefile Added files: math/lapack/files patch-r1207 Log: Fix http://netlib.org/lapack/Errata/index2.html#_strong_span_class_green_bug0085_span_strong_xgesvd_problem_in_workspace_computation . PR: 165960 Submitted by: fork <forkandwait@gmail.com> Feature safe: yes Revision Changes Path 1.58 +1 -1 ports/math/lapack/Makefile 1.1 +11 -0 ports/math/lapack/files/patch-r1207 (new) _______________________________________________ cvs-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/cvs-all To unsubscribe, send any mail to "cvs-all-unsubscribe@freebsd.org"