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*To*: Tushar Saxena <saxena@cs.albany.edu>, kcl@cli.com*Subject*: Re: Arbitrary Precision Arithmetic Package for Common Lisp*From*: Jeff Dalton <jeff@aiai.edinburgh.ac.uk>*Date*: Wed, 23 Sep 92 15:43:43 BST*In-reply-to*: Tushar Saxena's message of Tue, 22 Sep 92 16:43:21 -0400

> > The other day, I was trying to do some arithmetic with very large > numbers and to my surprise, kcl ran out of bignum stack. I found > that in kcl you cannot calculate (expt 2 40000). I need a package > for common lisp in which I can do arbitrary presicion arithmetic. > If anyone is aware of any such package, I would be very grateful > if he/she could tell me how to get it. But KCL _can_ do this one. Here is akcl 1-505: > (setq aa (expt 2 40000) b 10) 10 > (integer-length aa) 40001 -- jd

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