(please copy to the trace page) On Sat, Mar 22, 2008 at 6:08 PM, James Philbin <[EMAIL PROTECTED]> wrote: > I'm not sure that #669 > (http://projects.scipy.org/scipy/numpy/ticket/669) is a bug, but > probably needs some discussion (see the last reply on that page). The > cast is made because we don't know that the LHS is non-negative. > However it could be argued that operations involving two integers > should never cast to a float, in which case maybe an exception should > be thrown. > I don't understand this argument, isn't this case similar to any overflow / wrap-around in "limited" dtypes. Like this: >>> N.uint8(200) + N.uint8(200) 144 >>> _.dtype uint8
You would not argue that uint8 has to get converted to "???" because it can produce (mathematically) "wrong" results ! My 2 cents, Sebastian Haase _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
