On 14 avr, 20:02, Thomas Dybdahl Ahle <[EMAIL PROTECTED]> wrote: > On Fri, 2008-04-11 at 03:14 -0700, bdsatish wrote: > > The built-in function round( ) will always "round up", that is 1.5 is > > rounded to 2.0 and 2.5 is rounded to 3.0. > > > If I want to round to the nearest even, that is > > > my_round(1.5) = 2 # As expected > > my_round(2.5) = 2 # Not 3, which is an odd num > > > I'm interested in rounding numbers of the form "x.5" depending upon > > whether x is odd or even. Any idea about how to implement it ? > > This seams to work fine: > evenRound = lambda f: round(f/2.)*2
That was the solution I proposed first but it is inadequate since the op does not want 3 to be rounded to 4. If you're interested in this discussion, I kindly suggest you read the whole thread: many interesting proposals and discussions have ensued. -- http://mail.python.org/mailman/listinfo/python-list
