Sha256: 6724fc09aebfb5d5ee4ff4d40b02e73c0a9f5c4f54528f2f8466d681ffb3ec70
Contents?: true
Size: 346 Bytes
Versions: 5
Compression:
Stored size: 346 Bytes
Contents
unless Bignum.method_defined? :bit_length
require 'backports/2.0.0/range/bsearch'
class Bignum
def bit_length
n = 8 * (size - 42.size)
smaller = self >> n
if smaller >= 0
smaller += 1
else
smaller = -smaller
end
n + (0...8 * 42.size).bsearch{|i| smaller <= (1 << i) }
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems