Class: Integer

Inherits:

Object

• Object
• Integer

Defined in:

lib/core/integer.rb

Instance Method Summary

• #bits ⇒ Object

  FIXME: consider right-shifting self and counting ones.

• #log2_ceil ⇒ Object

Instance Method Details

#bits ⇒ Object

FIXME: consider right-shifting self and counting ones

# File 'lib/core/integer.rb', line 4

def bits
  (0...to_s(2).size).select { |bit| self[bit] == 1 }
end

#log2_ceil ⇒ Object

# File 'lib/core/integer.rb', line 8

def log2_ceil
  return 0 if self == 0 or self == 1
  (self - 1).to_s(2).size
end