[Numpy-discussion] Matlab/Numeric/numarray benchmarks
Jason Rennie
jrennie at csail.mit.edu
Thu Jan 20 19:10:39 EST 2005
On Fri, Jan 21, 2005 at 11:16:10AM +1100, Simon Burton wrote:
> The next thing would be to write a simple c program that trips this exception,
> because I'm not convinced it is ATLAS's fault. Doesn't Numeric use the same library calls,
> and if so, why doesn't it also trip this exception ?
Turns out the FP exception is a known bug in libc. Numeric does trip
it (see my "revised numbers" post. For info on the bug, see, e.g.
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=279294
I also found that it was discussed earlier on this list. Search for
"floating point exception weirdness".
Jason
More information about the NumPy-Discussion
mailing list