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Re: Suggestions: mpz_export and version testing


From: Kevin Ryde
Subject: Re: Suggestions: mpz_export and version testing
Date: Sat, 22 Nov 2003 09:25:15 +1000
User-agent: Gnus/5.1003 (Gnus v5.10.3) Emacs/21.3 (gnu/linux)

Jack Lloyd <address@hidden> writes:
>
> It would be nice if GNU MP would check if COUNT was NULL,
> and not write to it in that case.

Sounds fair, I'll make that change for the next release.

> #define __GNU_MP_VERSION_CODE ((__GNU_MP_VERSION << 16) | \
>                                (__GNU_MP_VERSION_MINOR << 8) | \
>                                (__GNU_MP_VERSION_PATCHLEVEL))
>
> #define __GNU_MP_VERSION_CODE_FOR(a,b,c) ((a << 16) | (b << 8) | (c))

Hmm.  For now I think we'll leave that to applications to do
themselves if desired.

> #if __GNU_MP_VERSION_CODE < __GNU_MP_VERSION_CODE_FOR(4,1,0)

You could also make something like __GNUC_PREREQ from glibc features.h
(which we do similarly in gmp.h too).

-- 
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