Contents

class Integer
  def pronic?
    return false unless even? and (positive? or zero?)
    (Math.sqrt(succ).round - sqrt.round) == 1
  end

  alias :heteromecic? :pronic?
  alias :oblong? :pronic?
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
numb-0.152.0	lib/numb/pronic.rb