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Class: EratosthenesSieve
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
- 1_9_1_378 (0)
- 1_9_2_180 (0)
- 1_9_3_125 (0)
- 1_9_3_392 (0)
- 2_1_10 (0)
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- 2_6_3 (0)
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new()
public
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# File lib/prime.rb, line 417 def initialize # :nodoc: # bitmap for odd prime numbers less than 256. # For an arbitrary odd number n, @tables[i][j][k] is # * 1 if n is prime, # * 0 if n is composite, # where i,j,k = indices(n) @tables = [[0xcb6e, 0x64b4, 0x129a, 0x816d, 0x4c32, 0x864a, 0x820d, 0x2196].freeze] end