Rounding a float to the nearest integer in ruby -

if have float of 49.967 , .to_i chop down 49 use of disk space analysis .967 on 900mb of space wont accounted in displays.

is there function round numbers nearest integer or have define self this:

class float   def to_nearest_i     (self+0.5).to_i   end end 

so do:

>> 5.44.to_nearest_i => 5 >> 5.54.to_nearest_i => 6 

try float.round.

irb(main):001:0> 5.44.round => 5 irb(main):002:0> 5.54.round => 6