[Numpy-discussion] floating point exception weirdness
jmiller at stsci.edu
Wed Nov 3 05:46:44 CST 2004
Thanks for the update Andrew. This is in CVS now.
On Tue, 2004-11-02 at 11:58, Andrew Straw wrote:
> I hunted down the error and modified Doc/INSTALL.txt (patch below,
> please modify numarray sources) to indicate that the problem is not
> confined to Fedora Core1 but to any i386 linux with libc < 2.3.3 and
> SSE-using code.
> With my newly patched and compiled libc, my system runs great, and no
> more mysterious Floating Point Exceptions!
> Index: Doc/INSTALL.txt
> RCS file: /cvsroot/numpy/numarray/Doc/INSTALL.txt,v
> retrieving revision 1.9
> diff -r1.9 INSTALL.txt
> < 1. Fedora Core1 -- if compiling against GNU libc on i386 and enabling
> < SSE processor functions (with something like "-march=athlon-xp") then
> < libc versions above 2.3.3 will be needed.
> > 1. i386 linux -- if compiling against GNU libc on i386 and enabling
> > SSE processor functions (with something like "-march=athlon-xp" or
> > using other libraries that utilize SSE such as atlas or Intel IPP)
> > then libc version 2.3.3 or above will be needed.
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