On Wednesday, July 1, 2015 at 7:23:19 PM UTC-7, rand...@fastmail.us wrote: > On Wed, Jul 1, 2015, at 21:49, bvdp wrote: > > Interesting that negative values translate properly. That's an > > non-intuitive result to me. Guess I should have studied that math stuff > > harder way back when! > > There are multiple interpretations of the operation, and not all > languages behave the same way as Python does with negative operands. > Python is the odd one out when one considers C/C++, C#, and Java which > all behave a different way. > > In general, almost all languages behave in a way so that given q, r = a > // b, a % b; q * b + r == a. However, this simply changes the question > to how division results involving negative operands are rounded. > > Here's an article by GvR about why python behaves the way it does: > http://python-history.blogspot.com/2010/08/why-pythons-integer-division-floors.html
Interesting link. Thanks. I always thought that modulo was modulo. Guess this is another example of why converting code between languages is hard :) Anyway, far as shoving my MIDI notes into a single octave, x % 12 seems to be perfect. -- https://mail.python.org/mailman/listinfo/python-list
