On Mar 16, 2009, at 3:59 AM, Stefan Behnel wrote: > PS: Dag, I read your comment on "(2147483647 + 2147483647)" wrapping > around in current Cython. I never thought about that, simply since > I never > ran into it. However, when I write > > py_large_val = 2147483647 + 2147483647 > > it must never wrap around as it clearly requests Python semantics, and > when I write > > cdef uint64 c_large_val = 2147483647 + 2147483647 > > it must not wrap around either. I'm fine with a wrap-around in > > cdef int c_large_val = 2147483647 + 2147483647 > > though, because that's what the user a) requested or at least b) > must be > aware of when explicitly assigning types. So that's clearly > different from > a discussion on operator semantics.
Very interesting--this only happens with constant literal expressions, right? In that case constant folding should take care of it. - Robert _______________________________________________ Cython-dev mailing list [email protected] http://codespeak.net/mailman/listinfo/cython-dev
