mpn_mul is embarrassingly slow

Victor Shoup shoup at
Tue Apr 24 14:06:23 UTC 2018

Well, if you do, please change the name of the function....
backward compatibility...

> On Apr 24, 2018, at 9:49 AM, Niels Möller <nisse at> wrote:
> I would prefer the opposite change for GMP7, to have all multiplication
> functions return, but *not* store, the high limb of the product. Which
> also should work nicely with tail calls.

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