jgk at panix.com
Wed Oct 7 20:47:27 UTC 2015
>How do you measure the speed gain of your new code?
I haven't measured it.
>How do you test it, by hooking it in in mpn/divexact.c (patch in
>earlier mail) and then make gmp's standard make check?
I have a program that calls a lot of mpq functions.
>You should obviusly update credits and copyright years (and if some code
>is copied from earlier files, you inherit copyright years from them).
The code is mostly copied from "sbpi1_bdiv_q.c", so we should start from
>To be able include new code in GMP, we ask for assignment of copyright
>to the FSF. Are you willing to do that?
That's no problem.
>Maybe add_ssaaaa or sub_ddmmss could be used for some of the additions.
I need to use carry/add-with-carry somehow. My 'solution' is to code the
whole thing in assembler, but maybe that is not necessary.
>You might want to experiment with using a two-limb inverse.
That's more complicated. :-)
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