Class: Float

Inherits:
Object show all
Defined in:
lib/vendor/backports-3.3.5/lib/backports/1.9.1/float/round.rb

Constant Summary collapse

INFINITY = 
1.0/0.0
NAN = 
0.0/0.0

Instance Method Summary collapse

Instance Method Details

#round_with_digits(ndigits = 0) ⇒ Object 



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# File 'lib/vendor/backports-3.3.5/lib/backports/1.9.1/float/round.rb', line 5

def round_with_digits(ndigits=0)
  ndigits = Backports::coerce_to_int(ndigits)
  case
  when ndigits == 0
    round_without_digits
  when ndigits < 0
    p = 10 ** -ndigits
    p > abs ? 0 : (self / p).round * p
  else
    p = 10 ** ndigits
    prod = self * p
    prod.infinite? || prod.nan? ? self : prod.round.to_f / p
  end
end