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Last change
on this file since 162 was 2, checked in by Yuri Dario, 15 years ago |
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Initial import for vendor code.
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-
Property svn:eol-style
set to
native
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File size:
565 bytes
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| 1 | #! /usr/bin/env python
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| 2 |
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| 3 | # Print prime numbers in a given range
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| 4 |
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| 5 | def main():
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| 6 | import sys
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| 7 | min, max = 2, 0x7fffffff
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| 8 | if sys.argv[1:]:
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| 9 | min = int(eval(sys.argv[1]))
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| 10 | if sys.argv[2:]:
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| 11 | max = int(eval(sys.argv[2]))
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| 12 | primes(min, max)
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| 13 |
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| 14 | def primes(min, max):
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| 15 | if 2 >= min: print 2
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| 16 | primes = [2]
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| 17 | i = 3
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| 18 | while i <= max:
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| 19 | for p in primes:
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| 20 | if i%p == 0 or p*p > i: break
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| 21 | if i%p <> 0:
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| 22 | primes.append(i)
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| 23 | if i >= min: print i
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| 24 | i = i+2
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| 25 |
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| 26 | if __name__ == "__main__":
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| 27 | main()
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