Created
November 17, 2011 13:54
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Sieve
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"""Translated from Haskell: | |
let sieve(p:xs) = p : sieve (filter (\ x -> x `mod` p /= 0) xs) in sieve [2..] | |
""" | |
from itertools import ifilter | |
def ints(k): | |
yield k | |
while True: | |
yield k | |
k+=1 | |
def tail(g): | |
next(g) | |
yield next(g) | |
for x in g: | |
yield x | |
def head(g): | |
return next(g) | |
def sieve(g): | |
yield head(g) | |
for x in sieve(ifilter((lambda x: x % head(g)!=0), tail(g))): | |
yield x | |
j = ints(2) | |
s = sieve(j) | |
i = 0 | |
while i <= 8: | |
print next(s) | |
i+=1 |
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