Re: [Emacs-diffs] master 1d2df2f: Improve bignum comparison

[Eli Zaretskii]

> Cc: address@hidden
> From: Paul Eggert <address@hidden>
> Date: Wed, 22 Aug 2018 08:06:34 -0700
> 
> In practice isnan support is universal nowadays in the non-Microsoft world, 
> and 
> even MSVC has it, as I understand it. If there are problems (when compiling 
> for 
> MS-Windows 95, say?) we can fix them by doing something like adding "#define 
> isnan _isnan" in src/w32.h. It's better to isolate portability hacks to 
> platform-specific code, when the problem is platform-specific.

I wasn't worried about MSVC or Windows (there are no problems there),
I was worried about a more general assumption of a C99 library.  I
didn't think we assume that yet.