Alexander Schmolck <[EMAIL PROTECTED]> writes: > Erik Max Francis <[EMAIL PROTECTED]> writes: > >> Alexander Schmolck wrote: >> >>> Is this any faster? >>> >>> ordSum, orsSumSq = (lambda c:c.real,c.imag)(sum(complex(ord(x),ord(x)<<1) >>> for x in data)) >> >> That's pretty clever, but I neglected to mention that I need to accumulate >> the >> sums as ints/longs to avoid losing precision, so converting to floating point >> isn't an optional. > > I think you can safely use this trick (provided it really makes things faster) > provided you sum blocks no larger than 2**(53-8) bytes;
Forgot about the squares; make this 2**(53-16); still pretty big. 'as -- http://mail.python.org/mailman/listinfo/python-list
