On Tue, Apr 7, 2009 at 8:59 PM, Alexandru Moșoi <brtz...@gmail.com> wrote:
> Not necessarily. For example C/C++ doesn't define the order of the > operations inside an expression (and AFAIK neither Python) and > therefore folding 2 * 3 is OK whether b is an integer or an arbitrary > object with mul operator overloaded. Moreover one would expect * to be > associative and commutative (take a look at Python strings); if a * 2 > * 3 returns a different result from a * 6 I will find it very > surprising and probably reject such code. Multiplication is not associative for floats: >>> a = 0.1 >>> a*3*5 1.5000000000000002 >>> a*(3*5) 1.5 Fredrik _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
