# pf = PrimeFinder()
fromFile = args.fromFile
toFile = args.toFile
if (fromFile):
primeFinder = PrimeFileReader( fromFile)
elif (algorithm == "Eratosthenes"):
primeFinder = Eratosthenes()
elif (algorithm == "Sundaram"):
primeFinder = Sundaram()
else:
Log.error( "Unexpected algorithm: {0}".format( algorithm))
exit(1)
startTime = datetime.now()
primes = primeFinder.primesNotGreaterThan(primeCeiling)
endTime = datetime.now()
if (args.print):
if (toFile):
with open( toFile, "wb") as binFile:
for p in primes:
binFile.write( struct.pack( "I", p))
else:
for p in primes:
print( "{0:7d} ".format( p),end="")
print()
Log.note("Found {0} primes in {1}".format(len(primes), (endTime - startTime)))
