[Cfp-interest 3220] Re: Various Updates to Annex F+G
Damian McGuckin
damianm at esi.com.au
Sun Aug 18 02:30:36 PDT 2024
On Sat, 17 Aug 2024, Jim Thomas wrote:
>>> Note that in G.4.2.1 in the bullet
>>>
>>> cacos(+/-inf + I NaN) returns NaN +/- i inf (where the sign of
>>> the imaginary part of the result is unspecified).
>>
>>> The parentheses need to be removed. Unlike for other cases mentioning
>>> that the sign of a real or imaginary part is unspecified, here the
>>> parenthesized information is not implied by the general specification
>>> in G.4.1 "Unless otherwise specified, where the symbol +/- occurs in
>>> both an argument and the result, the result has the same sign as the
>>> argument.? The parenthesized information in the bullet above is
>>> intended to be normative specification. This is a (minor but)
>>> technical issue
>>
>> I have corrected this in the latest version (which I recently posted)
>> by having two separate cases:
>>
>> cacos(+inf + i NaN)
>> and
>> cacos(-inf + i NaN)
>>
>> So the use of parentheses around normative behaviour is now correct. I
>> made this change once I fully understood your explanation of normative
>> text.
>
> Is this the only technical change we?ve identified so far?
Yes. Now that I better understand what editorial means, I would agree that
seems the rest are editorial.
Thanks - Damian
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