[Cfp-interest 3142] JTC1/SC22/WG14/CFP 2024/07/17 Meeting minutes

Wed Jul 17 14:27:40 PDT 2024

2024/07/17: 8 AM PDT

  *Attendees*: Rajan, Jim, Jerome, Fred, Damian, David, Joshua


  *New agenda items* (
https://wiki.edg.com/pub/CFP/WebHome/CFP%20meeting%20agenda-20240717-update.pdf
):

    None.


*  Previous meeting notes:*

    See [CFP 3292] (https://wiki.edg.com/pub/CFP/WebHome/n3292.pdf).


*  Next Meeting(s):*

    August 14, 2024, 3PM UTC

    ISO Zoom teleconference

    Please notify the group if this time slot does not work.


*  New action items:*

    Jerome, Jim: Draft proposal to new wording for pole error

    Jerome: Summarize the usage of "may occur" with regard to numerical
"anomalies"

    Damian: Send the group a proposal about Annex F/G language re. number
ranges, esp. with signed 0

    Rajan: Submit to WG14 this completed item: Fix the title in the
proposal in CFP 3112. Base document as well from N3219->3220 and ensure the
clause numbering is correct

    Rajan: Submit to WG14 the proposal for initialization of SNANs, issue
#20

    ???Rajan: Action re. 3109,to fix the language of a NaN "delivered in
the destination format, if available"
    Fred: Write a proposal for SIGFPE being raised for exceptional
conversion and I/O circumstances (being careful about raise())

    Jim: Write up notes about frexp() and behavior for model numbers

    Jim: Submit proposal for decimal language to WG14

    Jim: Submit proposal for 60559 macro change

    Damian: Ask 754 about midpoint and interpolation

    Jim: Include complex add and sub into the main body.

    Jim & everyone: Look at ways to strengthen the complex * and /, given
the current code block.


*  Action items to be carried over:*

     None


*  IEEE 754 liaison:*

    No change since David's note


*  C++ liaison:*

    Joshua: Midpoint and linear interpolation functions (later on today's
agenda) are offered to C, if there's interest


*  WG14 meeting:*

     None


*  C23 integration:*

    Next WG14 meeting:

      September 30, Minneapolis. Mailing deadline is one month before the
meeting.


    C23 drafts:

      C23 working draft n3219 - July 2, 2023 - For CFP review only. Do not
distribute.


    C2y drafts:

      N3220


*  Carry over action items (Done unless stated otherwise):*

    Jim/Jerome/Damian to follow up on C26 issue 1.

        Jerome: Worked with Jim to improve pole error definition, now an
action item

        Jerome: Will tackle the matter of "occurs" vs. "may occur" for
exceptions as a separate topic

        Rajan: Very interested in any change from "may occur" because it's
a library change

        Fred: Many of these choices date back decades
    Damian to get a list of editorial issues in Annex G and send them out
for future submission to WG14.
        Damian: Have action item for next meeting

*  Action items from previous meeting (Done unless stated otherwise)*

    .Jim: Put Annex G being purely IEEE and other parts into the main
standard as a potential work item for CFP on the agenda for next meeting.
    Jim: Add C2y Issue 23 onto the agenda for next meeting.
    Jim: Ensure that "frexp and double-double underflow" is on the agenda
for next meeting.
    Jim: Ensure that "Midpoint and linear interpolation functions" is on
the agenda for next meeting.
    Fred: Update issue 1 with the information from today.
    Fred: Move the sub-issues from CFP 3079 about "floating-point number"
into Issue 8.
    Jim: Submit the proposal for C26 issue 19 (CFP 3118 with base document
updated and checked for accurate clause numbers) to WG14.
N3291 2024/06/27 Thomas, Proposal for C2Y - Decimal floating-point
number—misuse of term
        Action item
    Rajan: Fix the title in the proposal in CFP 3112. Base document as well
from N3219->3220 and ensure the clause numbering is correct. Submit to WG14.
        Action item
    Rajan: Change the base document from N3219->3220 and ensure the clause
numbering is correct for CFP 3091. Submit to WG14.
N3287 2024/06/23 Bhakta, Nonsensical Parenthetical
        Action item
    Rajan: Issue 20: Make CFP 3045 into a proposal for WG14.
        Action item
    Jim to create a proposal for WG14 based on CFP 3074 regarding the
HUGE_VAL with suffixes change.
        Action item
    Jim to make CFP 3080 on outdated dependency macro into a proposal for
WG14.

        Action item


*  TS-4 and TS-5 revisions*

    Still waiting for updated draft of C23. Hanging paragraphs can change
subclause numbers.


*  C2y issues*

    Issues list

      https://wiki.edg.com/pub/CFP/WebHome/c26e.htm

      Status of issues:
https://wiki.edg.com/pub/CFP/WebHome/C26%20Issues%20status.pdf


     Issues 1, 5, 18, 19, 21, 23, 24 are covered to date

     Issue 22 in Damian's court


*  Other issues:*

    frexp and double-double underflow

      Jim: Will take action to ensure these apply only to model numbers

      Jerome: The double double type is not floating point; it's an
artifact built on fp

      David: double double is a poor soul's quad, when the hardware doesn't
support it


    Midpoint and linear interpolation functions

      https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0811r3.html

      Joshua: these will go into C++; they're offered for C's interest

      David, et al.: perhaps more interesting in the integer doman, out of
CFP's wheelhouse

      David: Damian can gauge 754 interest, but it's really a hardware
matter; GPUs may support them (but only to the extent they're needed for
graphics)


    Dead C Scrolls -- Rex Jaeschke's 1989 email

       Jim, Fred, Jerome: Old docs for NCEG, leading to C99

      Fred: Reminder (for Jerome) that C was first standardized in 1998


    Participants

      Jim: Scroll down the wiki page (as Jerome had to) to find yourself,
and many others, on the Participants list, with a chance to update your
profile
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