Ezio Melotti added the comment: > >- x = x * 2 - 1 > >- hypot2 = x * x + y * y > > Why you remove this?
As I explained in my previous message, even if valid, these are IMHO less clear than x*2 - 1 and x*x + y*y. > >- c = (a+b) * (a-b) > >+ c = a+b * a-b > > This changes the semantic. It does indeed, but I think it's worth pointing out that misleading spacing should be avoided. Maybe a different example could be used. > >but otoh 'x*2 - 1' is a better alternative. > > Can you justify this? x*2 - 1 gives a visual hint of what gets executed first, x * 2-1 gives a wrong/misleading hint of what gets executed first, x * 2 - 1 gives no hint at all. I think that providing the correct hint is better than not providing any hints (and clearly better than providing the wrong hint!). ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue16239> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
