[cfp-interest 3519] Re: Rounding Direction Mode or Rounding Direction or Rounding Mode

Jim Thomas jaswthomas at sbcglobal.net
Tue Jun 10 08:02:46 PDT 2025


C already uses “attributes” for something different. See 6.7.13. Considering this, and considering the terminology in IEC 60559 4.2, CFP decided to use "constant (rounding) modes”. 

- Jim Thomas

> On Jun 9, 2025, at 10:04 PM, Damian McGuckin <damianm at esi.com.au> wrote:
> 
> On Mon, 9 Jun 2025, David Hough CFP wrote:
> 
>> Sorry to be late to respond, but they are not necessarily "modes" as commonly understood in computer science.  "attributes" is better because it doesn't imply anything about static/dynamic.
> 
> Got it.
> 
>> And because there are also rounding precision attributes for extended
>> precision, it's best to stick uniformly with "rounding direction attributes".
> 
> So, should we make this change throughout the C2Y document.

No! C already uses “attributes” for something different (see 6.7.13). Considering this, and considering the terminology in IEC 60559 4.2, CFP decided on "constant (rounding) modes”.

- Jim Thomas

> 
> Thanks - Damian
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