[Tutor] creating bitmasks (for bloom filters)
Aaron Straup Cope
asc at vineyard.net
Mon Jun 14 14:53:48 EDT 2004
On Fri, 2004-06-11 at 09:12, Glen Wheeler wrote:
> Not sure of your terminology here; does this mean you are mathematically
> inclined? Or not as such?
I am not especially mathematically inclined. Given enough time I can
usually start to "get" it but it is not my strong suit.
> Perhaps the source of pybloom would help? If it's only difference is
> reliance on the unix math libraries, then this could be changed easily
Pybloom is calling mpz.mpz which is supposed to : "Create a new
mpz-number. value can be an integer, a long, another mpz-number, or even
a string. If it is a string, it is interpreted as an array of radix-256
digits, least significant digit first, resulting in a positive number"
The docs for mpz indicate that it is deprecated, as of Python 2.3, in
favour of two possible alternatives.
I'm not sure that I haven't jumped from the frying pan in to the fire,
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