[Numpy-discussion] matrixmultiply problem

Todd Miller jmiller at stsci.edu
Thu Aug 12 09:49:06 CDT 2004


On Thu, 2004-08-12 at 00:27, David M. Cooke wrote:
> On Wed, Aug 11, 2004 at 11:05:07PM -0400, Geoffrey Philbrick wrote:
> > Executing the following code has the side effect of modifying one of
> > the arguments (matrices) I passed to matrixmultiply. Note that the
> > matrix m2 changes after the call to matrixmultiply. This is on Windows
> > with numarray 1.0. 
> 
> Wow, that's bad. Since I had nothing better to do [1], I tracked it down
> and submitted a patch (#1007730) to SourceForge to fix this.
> 
> [1] actually, I do, but...

This bug has been reported so many times... and I thought it was already
fixed.   The patch is in CVS now.  Thanks for pitching in here guys!

Regards,
Todd





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