Prime

Public Class Methods

new() click to toggle source

 
               # File mathn.rb, line 72
def initialize
  @seed = 1
  @primes = []
  @counts = []
end

Public Instance Methods

each() click to toggle source

 
               # File mathn.rb, line 102
def each
  loop do
    yield succ
  end
end

next() click to toggle source

Alias for: succ

succ() click to toggle source

 
               # File mathn.rb, line 78
def succ
  i = -1
  size = @primes.size
  while i < size
    if i == -1
      @seed += 1
      i += 1
    else
      while @seed > @counts[i]
        @counts[i] += @primes[i]
      end
      if @seed != @counts[i]
        i += 1
      else
        i = -1
      end
    end
  end
  @primes.push @seed
  @counts.push @seed + @seed
  return @seed
end

Also aliased as: next