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primes2.py
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primes2.py
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"""
Copyright (C) 2001-2003, Parrot Foundation.
=head1 NAME
examples/benchmarks/primes.py - Calculate prime numbers < 5000
=head1 SYNOPSIS
% time python examples/benchmarks/primes.py
=head1 DESCRIPTION
Calculates all the prime numbers up to 50000 and prints out the number
of primes and the last one found.
=cut
"""
# import os,sys
def isprime1(input):
if input < 1:
return 0
n = input-1
while n > 1:
if input%n == 0:
return 0
n = n - 1
return 1
def main():
i = 0
l = 0
i6 = 0
i7 = 0
max = 500
while 1:
if isprime1(i):
i6 = i6 + 1
i7 = i
i = i + 1
if i == max:
break
print "N primes calculated to ",max, i6
print "last is:", i7
if __name__ == "__main__":
main()
"""
=head1 SEE ALSO
F<examples/benchmarks/primes.c>,
F<examples/benchmarks/primes.pasm>,
F<examples/benchmarks/primes.pl>,
F<examples/benchmarks/primes2_p.pasm>,
F<examples/benchmarks/primes2.c>,
F<examples/benchmarks/primes2.pir>,
F<examples/benchmarks/primes2.py>.
=cut
"""