Good point, the basic math docs should probably be updated. It is explained more clearly in the stdlib docs <http://docs.julialang.org/en/release-0.4/stdlib/math/?highlight=round#Base.round> .
On Tuesday, October 27, 2015 at 9:43:50 PM UTC-4, [email protected] wrote: > > Great, thanks Lex. > The documentation for round > <http://docs.julialang.org/en/release-0.4/manual/mathematical-operations/> > is "round x to the nearest integer", which seems to be a mathematical > definition that isn't quite equivalent to the IEEE spec. > The docs ought to mention rounding to the nearest. > > > On Wednesday, October 28, 2015 at 12:35:12 PM UTC+11, [email protected] > wrote: >> >> "round to nearest, ties to even" is the default IEEE floating point >> rounding mode >> https://en.wikipedia.org/wiki/IEEE_floating_point#Rounding_rules >> >> Cheers >> Lex >> >> On Wednesday, October 28, 2015 at 11:02:58 AM UTC+10, [email protected] >> wrote: >>> >>> Hi there, >>> >>> I'm using Julia 0.4.0. >>> >>> round(4.5) gives 4.0, i.e. it rounds down. >>> round(5.5) gives 6.0, i.e. it rounds up. >>> >>> Any ideas why this is the case? >>> >>> Cheers, >>> Jock >>> >>>
