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Re: Using the GNU GMP Library for Bignums in Emacs

From: Paul Eggert
Subject: Re: Using the GNU GMP Library for Bignums in Emacs
Date: Wed, 1 Aug 2018 19:06:49 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

Eli Zaretskii wrote:
isn't there a way to test whether a platform supports IEEE
FP representation except by looking for ieee754.h?  AFAICS, that
header just defines a few data structures that any IEEE-compliant
platform should be able to work with.

We can try using ieee754.h on non-GNU platforms and see what happens. In theory, there could be weird platforms where it doesn't work (as no standard specifies IEEE 754 layout); in practice, we'll probably be OK. So I created a Gnulib module for ieee754.h, merged it in, and installed the attached into master.

Attachment: 0001-Substitute-a-ieee754.h-on-hosts-lacking-it.patch
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