I held off on the release to hear back on this. Should we proceed this evening if there is no response?
On Sat, Dec 6, 2008 at 5:09 PM, John Hunter <[EMAIL PROTECTED]> wrote: > There appears to be a bug in the 3rd subplot of symlog_demo.py because > the ticker is generating an OverflowError on my powerbook. > > The problem is in SymmetricalLogLocator.__call__ when the vmin, vmax = > self._transform.transform((vmin, vmax)) call transforms > vmin,vmax=[-1,1] to [-3.30039237078e+17,1.0] numdec is set to > 3.30039237078e+17. Then the while loop runs until I kill the job:: > > stride = 1 > while numdec/stride+1 > self.numticks: > stride += 1 > > This may have something to do with a platform specific floating point > computations, because I am seeing different results on a linux box I > am also testing on, but even there the results don't look right. For > example, on that box, a 64 bit linux machine, I see [-1,1] transformed > to [2.18190930577e-316, 6.90437063896e-310] and numdec=-1 but the > example does run w/o crashing. > > In any case, it looks like there is some non-robust computation going > on, and I'm hoping Michael has a quick insight :-) > > JDH > > ------------------------------------------------------------------------------ > SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. > The future of the web can't happen without you. Join us at MIX09 to help > pave the way to the Next Web now. Learn more and register at > http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ > _______________________________________________ > Matplotlib-devel mailing list > Matplotlib-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-devel > ------------------------------------------------------------------------------ SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. The future of the web can't happen without you. Join us at MIX09 to help pave the way to the Next Web now. Learn more and register at http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
