Sha256: 0b116369efaa04e9ea7dba29a0fb05cd603a511a3f69f769c85af3b222b14f17
Contents?: true
Size: 526 Bytes
Versions: 30
Compression:
Stored size: 526 Bytes
Contents
require 'aruba/aruba_path'
# Aruba
module Aruba
# Contracts
module Contracts
# Is value power of two
class IsPowerOfTwo
# Check value
#
# @param [Integer] value
# The value to be checked
def self.valid?(value)
# explanation for algorithm can be found here:
# http://www.exploringbinary.com/ten-ways-to-check-if-an-integer-is-a-power-of-two-in-c/
value != 0 && (value & (value - 1)) == 0 ? true : false
rescue
false
end
end
end
end
Version data entries
30 entries across 30 versions & 3 rubygems