[cfp-interest 4002] Re: ISO Guidelines

RAJAN BHAKTA rbhakta at us.ibm.com
Tue Sep 1 04:57:23 PDT 2026


Yeah, ISO rules are different from IEEE and IEC rules. I’m not sure what they are on that side.

But always great when standards can’t even standardize on how to write standards!

Regards,

Rajan Bhakta
CFP

From: Damian McGuckin <damianm at esi.com.au>
Date: Monday, August 31, 2026 at 4:06 PM
To: RAJAN BHAKTA <rbhakta at us.ibm.com>
Cc: CFP Interest <cfp-interest at oakapple.net>
Subject: [EXTERNAL] Re: [cfp-interest 3999] ISO Guidelines

On Mon, 31 Aug 2026, RAJAN BHAKTA wrote:

> That is correct. No ?shall? in recommended practice. And WG14?s guidance
> is no ?shall" in anything other than constraints as a general rule
> (exceptions always exist) going forward and even backwards (the UB study
> group is looking to remove these in other areas)!

In Chapter 9 of IEEE 754 / ISO 60559, Recommended Operations has 20+
occurrences of 'shall' . Hmmm

Thanks - Damian
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