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Re: [bug-gawk] New multiplication algorighm
From: |
Peter Brooks |
Subject: |
Re: [bug-gawk] New multiplication algorighm |
Date: |
Fri, 19 Apr 2019 17:54:18 +0200 |
Thank you - that’s the answer. I’ll ask about the MPFR library.
I asked here because awk uses arbitrary length numbers.
Sent from my iPad
> On 19 Apr 2019, at 17:45, Andrew J. Schorr <address@hidden> wrote:
>
>> On Fri, Apr 19, 2019 at 12:47:33PM +0200, Peter Brooks wrote:
>>
>> I was just wondering if there were any plans to use this new algorithm I the
>> future.
>>
>> https://www.sciencealert.com/mathematicians-just-discovered-an-astonishing-new-way-to-multiply-numbers-together
>>
>
> That's theoretically interesting, but I don't think it's a gawk issue. If I'm
> not mistaken, gawk multiplies numbers either by using the CPU's built-in
> multiplication capability for integer or floating-point values, or by using a
> compiler algorithm if the CPU doesn't directly support multiplying the types
> in
> question, or by using the mpfr library when -M is used. So if this new
> algorithm is to be used, it will have to be implemented in the CPU, the C
> compiler, or the MPFR library. I think the only place this might be
> relevant is in the MPFR library for handling very large numbers...
>
> Regards,
> Andy