From: Yukihiro Matsumoto Date: 2009-03-18T09:56:45+09:00 Subject: Re: BigNum optimizations Hi, In message "Re: BigNum optimizations" on Wed, 18 Mar 2009 04:11:34 +0900, "M. Edward (Ed) Borasky" writes: |It might be easier to link to a standard open-source multi-precision |library that it would be to revise the one that's built into the Ruby |interpreters. I haven't benchmarked these against each other, but the |two I know about are GMP http://gmplib.org/ and CLN |http://www.ginac.de/CLN/. Both are GPL. We cannot link pure GPLed library to Ruby for licensing issue. Last time I checked none of these multi precision numeric libraries satisfied our criteria (license, portability, etc). GMP (or CLN or whatever) can be used via extension, and we are happy to offer help if required. matz.