Hi Bruce, Ahh, but I would have thought the precision for the array operation would be the same no matter which values I wish to sum? The array is in float64 in all cases.
I would not have thought altering the type of the integer values would make any difference as these indices are all below 5 milllion. Perhaps I have misunderstood your suggestion could you expand. Cheers, Hanni Also, increase the numerical precision as that may depend on your > platform especially given the input values above are ints. Numpy has > float128 and int64 that will minimize rounding error. > > Bruce > _______________________________________________ > Numpy-discussion mailing list > Numpy-discussion@scipy.org > http://projects.scipy.org/mailman/listinfo/numpy-discussion >
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