issue with Microsoft compiler

[Niels Möller]

Marc Glisse <marc.glisse at inria.fr> writes:

> It is certainly possible to avoid the warning, either with a pragma or
> with different code, but until now, the policy has been to tell people
> to disable this non-sensical behavior in visual studio or use a better
> compiler. I don't have a strong opinion here.

My view is that GMP simply depends on the required semantics of the C
specification. And negating mp_limb_t values is something that's done in
lots of places. I'm not aware of any workaround that wouldn't result in
an annoying amount of clutter.

And in general, I'd say that whoever decides to add something like
-Werror (turn all warnings into compile errors) to the compiler flags
get's to deal with the work of suppressing any false positives.

Regards,
/Niels

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