ceph_chef_power_of_2

in libraries/ceph_chef_helper.rb [776:790]

• 12 lines of code
• 4 McCabe index (conditional complexity)

def ceph_chef_power_of_2(number)
  result = 1
  last_pwr = 1
  while result < number
    last_pwr = result
    result <<= 1
  end

  low_delta = number - last_pwr
  high_delta = result - number
  result = last_pwr if high_delta > low_delta

  result
end