Sha256: 1285a11db1f21444e96610b83b65d9305a3c01c1b1b136ad5b80469c07de206d
Contents?: true
Size: 113 Bytes
Versions: 15
Compression:
Stored size: 113 Bytes
Contents
class Integer
def hexagonal?
return true if zero?
((Math.sqrt((8*self) + 1) + 1)/4).integer?
end
end
Version data entries
15 entries across 15 versions & 1 rubygems