On Tue, Jan 26, 2010 at 9:50 PM, Charles R Harris <charlesr.har...@gmail.com > wrote:
> > > On Tue, Jan 26, 2010 at 9:24 PM, David Cournapeau > <da...@silveregg.co.jp>wrote: > >> Hi, >> >> I have investigated further the ABI issues reported for numpy 1.4.0. I >> can confirm that we have broken the ABI for 1.4.0 compared to 1.3.0 >> (besides the "trivial" cython issue). The good new is that I have found >> the issue, the bad news is that I don't know how to (cleanly) fix it. >> >> The problem was caused by the new datetime support, in particular the >> structure PyArray_ArrFuncs which has been modified in a ABI-incompatible >> way (the first member cast is bigger because NTYPES is bigger). >> >> > Hmm, nasty. I don't like that structure anyway, it should be a pointer to a > structure, or somehow not there in the first place. Yeah, it's a > catastrophic "solution". Probably the only compatible fixes are: 1) remove > the new function, 2) put it at the end of the enclosing structure, 3) live > with the ABI breakage. The last is the easiest way to go for us, if not for > others. The first solves the problem, but pretty much vitiates the datetime > work. And moving the function leads to all sorts of nasty work arounds and > code fixes. > > Whatever we do, it would be good to figure out some way to avoid this > problem in the future. We could hide access to the array, for instance. But > again, that would require a lot of other code mods. Hmm... > > Thinking a bit more, for 1.4.1 I think we should just remove the function. Chuck
_______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
