method
new
v1_9_1_378 -
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- Class:
Prime::EratosthenesSieve
new()public
No documentation available.
# File lib/prime.rb, line 411
def initialize # :nodoc:
# bitmap for odd prime numbers less than 256.
# For an arbitrary odd number n, @table[i][j] is 1 when n is prime where i,j = n.divmod(32) .
@table = [0xcb6e, 0x64b4, 0x129a, 0x816d, 0x4c32, 0x864a, 0x820d, 0x2196]
end