On Sat, Jan 27, 2007 at 04:11:59PM -0700, Fernando Perez wrote: > OK, this is weird. I modified the repeat code a little to ease > collecting of results, and all of a sudden the differences went away. > If you look at the attached code, here's what happens for me: > > a) If I have line 77 like this (commented out): > > #print '-'*75 > > I get: > > [...] > 94 z different 8.47032947254e-22 > 95 z different 8.47032947254e-22 > 96 z different 8.47032947254e-22 > 98 z different 8.47032947254e-22 > 99 z different 8.47032947254e-22 > > Numpy version: 1.0.2.dev3521 > > test1: 0 differences > test2: 75 differences > test3: 0 differences > > > > b) If I remove the comment char from that line, I get: > > tlon[~/Desktop]> python repeat.py > > --------------------------------------------------------------------------- > Numpy version: 1.0.2.dev3521 > > test1: 0 differences > test2: 0 differences > test3: 0 differences > > > That's it. One comment char removed, and something that's done > /after/ the tests are actually executed. > > That kind of 'I add a printf() call and the bug disappears' is > unpleasantly reminiscent of lurking pointer errors in C code...
I also ran the test under Valgrind, but no errors pop up. Very strange. Cheers Stéfan _______________________________________________ Numpy-discussion mailing list [email protected] http://projects.scipy.org/mailman/listinfo/numpy-discussion
