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authorjason <jason@8a072113-8704-0410-8d35-dd094bca7971>2008-12-30 21:27:12 +0000
committerjason <jason@8a072113-8704-0410-8d35-dd094bca7971>2008-12-30 21:27:12 +0000
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Merged revisions 609-614 via svnmerge from
https://jason@icl.cs.utk.edu/svn/lapack-dev/lapack/branches/SC08-release ........ r609 | julie | 2008-12-16 17:17:52 -0500 (Tue, 16 Dec 2008) | 1 line Polish routines to fit the LAPACK framework and allow manpages generation ........ r610 | langou | 2008-12-19 12:12:38 -0500 (Fri, 19 Dec 2008) | 30 lines bug reported on the forum https://icl.cs.utk.edu/lapack-forum/viewtopic.php?f=2&t=854 the complete thread is available at http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/635192e11beadb93# Tobias Burnus also sent us an email: > Hello, > > this was reported at > http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/635192e11beadb93# > > The problem is the line 47: > > 47: IF( M.EQ.0 .OR. A(M, 1).NE.ZERO .OR. A(M, N).NE.ZERO ) THEN > > If M == 0 the one accesses A(0,1) which is invalid as the lower bound is 1 > and not 0. > > Note: Contrary to C there is no left-to-right evaluation of expressions in > Fortran; the order is left to the compiler. One might assume that a smart > compiler does not evaluate "A(M,1)" if "M==0", however, there is nothing in > the standard guarantees this. > > If bounds checks are turned on (see post at the URL above), gfortran aborts > with an out-of-bounds error. ........ r611 | julie | 2008-12-19 15:00:58 -0500 (Fri, 19 Dec 2008) | 5 lines Modify the formatting of the comments. Replace Note and Notes section by Further Details This allow the manpages to be generated corectly. ........ r612 | julie | 2008-12-19 16:29:21 -0500 (Fri, 19 Dec 2008) | 3 lines Reformat the xblas routines comments to be able to generate the manpages ........ r613 | julie | 2008-12-19 16:30:31 -0500 (Fri, 19 Dec 2008) | 1 line Update version number ........ r614 | jason | 2008-12-27 09:44:45 -0500 (Sat, 27 Dec 2008) | 13 lines Fix non-short-circuited tests in ILAxL{C,R}. Fortran doesn't short-circuit logical operators, so the check that the leading dimension /= 0 may not prevent indexing into a 0-length array. Reported by "hes selex" in http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/635192e11beadb93 and forwarded to the LAPACK maintainers by Tobias Burnus <burnus@net-b.de>. Chalk up more bugs found by gfortran's diagnostics! Signed-off-by: Jason Riedy <ejr@cs.berkeley.edu> Cc: Tobias Burnus <burnus@net-b.de> ........
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