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Re: Nearly finished (re)integrating GMP for bignums.
From: |
Marius Vollmer |
Subject: |
Re: Nearly finished (re)integrating GMP for bignums. |
Date: |
12 Feb 2003 17:26:37 +0100 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 |
Rob Browning <address@hidden> writes:
> One thing I note is that it looks like the code presumes
> that an INUM will always fit into a 32bit integer. Do we guarantee
> that, or is there the possibility we might allow 64bit inums? I
> wasn't sure which guarantees we planned to make.
Aren't we already using 64 bits for scm_t_bits on some platforms (such
as the Alpha and IA64)? Even if we don't, code should use
SIZEOF_SCM_T_BITS, etc.
> With respect to random.c, we have a pluggable random number system,
> and ATM the bignum randoms are computed using the
> "get_32_random_bits()" function provided by the random state object.
> However GMP has its own random number generators, including ones for
> bignums. Any thoughts on how we should handle this?
I think we should use the GMP generators unless they are not as good
as ours. But I doubt that.
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