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Re: [ft-devel] FT_MulFix assembly
From: |
Werner LEMBERG |
Subject: |
Re: [ft-devel] FT_MulFix assembly |
Date: |
Sun, 19 Sep 2010 09:44:30 +0200 (CEST) |
> Werner: Miles' version is shorter, is only wrong by one ulp and only
> when the product overflows and is negative. My variation,
> called another() above, fixes that slight difference.
> Which would you prefer, if anything?
I tend to prefer the faster one $(Q#|(B IIRC, we never rely on product
overflow of 32bit entities.
> I can write a patch which uses it only when it works (64
> bit sizeof(long)).
Please do so.
Werner
- Re: [ft-devel] FT_MulFix assembly, (continued)
- Re: [ft-devel] FT_MulFix assembly, Miles Bader, 2010/09/06
- Re: [ft-devel] FT_MulFix assembly, Miles Bader, 2010/09/06
- Re: [ft-devel] FT_MulFix assembly, Miles Bader, 2010/09/06
- Re: [ft-devel] FT_MulFix assembly, James Cloos, 2010/09/06
- Re: [ft-devel] FT_MulFix assembly, Miles Bader, 2010/09/06
- Re: [ft-devel] FT_MulFix assembly, James Cloos, 2010/09/07
- Re: [ft-devel] FT_MulFix assembly, Miles Bader, 2010/09/07
- Re: [ft-devel] FT_MulFix assembly, James Cloos, 2010/09/07
- Re: [ft-devel] FT_MulFix assembly, Miles Bader, 2010/09/07
- Re: [ft-devel] FT_MulFix assembly, James Cloos, 2010/09/18
- Re: [ft-devel] FT_MulFix assembly,
Werner LEMBERG <=