Re: guarantees on digits of floating point values

Bill Allombert on Fri, 07 Nov 2025 10:23:37 +0100

[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]

Re: guarantees on digits of floating point values

To: pari-users@pari.math.u-bordeaux.fr
Subject: Re: guarantees on digits of floating point values
From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
Date: Fri, 7 Nov 2025 10:23:33 +0100
References: <d843f4db-b3e9-4156-a282-078f9ceb901d@freedom.nl> <aQ0jaXXqqnV7fRUX@seventeen> <bb5326b9-0e02-49e6-b9c0-9f713ce99539@gmail.com>

On Thu, Nov 06, 2025 at 02:40:42PM -0800, American Citizen wrote:
> Bill:
> 
> Which one is faster?

Floating point is faster of course, but it does not compute the same thing.
And obviously the PARI code is more optimized than this GP code.

Cheers,
Bill

References:
- guarantees on digits of floating point values
  - From: "Ruud H.G. van Tol" <rvtol@freedom.nl>
- Re: guarantees on digits of floating point values
  - From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Re: guarantees on digits of floating point values
  - From: American Citizen <website.reader3@gmail.com>

Prev by Date: Re: guarantees on digits of floating point values
Next by Date: Re: xeus-gp FTBFS on Alpine Linux (musl libc)
Previous by thread: Re: guarantees on digits of floating point values
Next by thread: Re: xeus-gp FTBFS on Alpine Linux (musl libc)
Index(es):
- Date
- Thread