Sha256: 153b543ef30e0a29120c52ee3d1a79c719ae1f035e600ce7f520f92dac03d2a7

Contents?: true

Size: 168 Bytes

Versions: 15

Compression:

Stored size: 168 Bytes

Contents

class Integer
  def ore?
    div = divisors
    Rational(div.size, div.map{|d| Rational(1, d)}.reduce(:+)).denominator == 1
  end

  alias :harmonic_divisor? :ore?
end

Version data entries

15 entries across 15 versions & 1 rubygems

Version Path
numb-0.152.0 lib/numb/ore.rb
numb-0.138.0 lib/numb/ore.rb
numb-0.125.0 lib/numb/ore.rb
numb-0.114.0 lib/numb/ore.rb
numb-0.111.0 lib/numb/ore.rb
numb-0.109.0 lib/numb/ore.rb
numb-0.99.0 lib/numb/ore.rb
numb-0.96.0 lib/numb/ore.rb
numb-0.89.0 lib/numb/ore.rb
numb-0.84.0 lib/numb/ore.rb
numb-0.77.0 lib/numb/ore.rb
numb-0.72.1 lib/numb/ore.rb
numb-0.72.0 lib/numb/ore.rb
numb-0.68.0 lib/numb/ore.rb
numb-0.63.0 lib/numb/ore.rb