Re: declare 64 bit integers?
On Sep 27, 12:09 am, jrw...@xxxxxxxxx wrote:
I'm writing a chess program using rotate bitboards (64 bit integers)
Given that this is Common Lisp, you should probably just work with
vectors of bits rather than integers. Most implementations will do
logical operations on bit vectors really fast, especially if you use
the three-argument form:
(bit-and a1 a2 a1)
which shouldn't cons at all.
.
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