Module: Polyfill::V2_4::Float

Defined in:
lib/polyfill/v2_4/float.rb

Instance Method Summary collapse

Instance Method Details

#ceil(ndigits = 0) ⇒ Object



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# File 'lib/polyfill/v2_4/float.rb', line 4

def ceil(ndigits = 0)
  ndigits = InternalUtils.to_int(ndigits)
  return super() if ndigits == 0

  if ndigits > 0
    place = 10**ndigits
    (self * place).ceil / place.to_f
  else
    place = 10**-ndigits
    (self / place).ceil * place
  end
end

#floor(ndigits = 0) ⇒ Object



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# File 'lib/polyfill/v2_4/float.rb', line 17

def floor(ndigits = 0)
  ndigits = InternalUtils.to_int(ndigits)
  return super() if ndigits == 0

  if ndigits > 0
    place = 10**ndigits
    (self * place).floor / place.to_f
  else
    place = 10**-ndigits
    (self / place).floor * place
  end
end

#truncate(ndigits = 0) ⇒ Object



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# File 'lib/polyfill/v2_4/float.rb', line 30

def truncate(ndigits = 0)
  ndigits = InternalUtils.to_int(ndigits)
  return super() if ndigits == 0

  if ndigits > 0
    place = 10**ndigits
    (self * place).truncate / place.to_f
  else
    place = 10**-ndigits
    (self / place).truncate * place
  end
end