Pathalogical divides

Alexandre Oliva aoliva@redhat.com
Mon Sep 25 06:53:00 GMT 2000


On Sep 22, 2000, Jeffrey A Law <law@cygnus.com> wrote:

>   In message < 10009211926.AA26210@vlsi1.ultra.nyu.edu >you write:

>> This is because the division of the largest negative integer by
>> negative one results in an overflow.

>> So the first question is whether this is valid C behavior.

> Not valid C behavior.

Err...  In my copy of the C Standard, integer overflow invokes
undefined behavior, so signalling is acceptable behavior (just like
anything else :-)

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist    *Please* write to mailing lists, not to me


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