help-octave
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [OctDev] i686-specific install failure in java-1.2.6


From: Michael Goffioul
Subject: Re: [OctDev] i686-specific install failure in java-1.2.6
Date: Sun, 30 Aug 2009 23:01:35 +0200

On Sun, Aug 30, 2009 at 4:21 AM, John W. Eaton<address@hidden> wrote:
> I was thinking that the version of ATLAS or BLAS shouldn't have
> anything to do with this warning, but then I realized that we now use
> D1MACH to compute some machine constants and then compare them against
> some known values to determine the floating point format (see
> liboctave/mach-info.cc).  The D1MACH function in Octave used to be
> implemented using some old code from netlib (machar.c) but now uses
> the DLAMCH function from LAPACK.  So I suppose the warning about
> unrecognized floating point format could happen if the DLAMCH function
> is miscompiled.

I remember that I had a similar problem when using MSVC/f2c. I don't
remember exactly all bits and pieces (as I don't have my laptop under
the hand), but I had to disable optimization when compiling the related
files in LAPACK.

Michael.



reply via email to

[Prev in Thread] Current Thread [Next in Thread]