[Cfp-interest] WG14 IEEE 754-C binding meeting minutes 2013/08/08
Rajan Bhakta
rbhakta at us.ibm.com
Mon Aug 12 10:53:40 PDT 2013
One addendum (sorry about missing it):
Constant rounding modes: Decided to keep two separate #pragma's (one for
standard floating rounding mode and one for decimal floating rounding mode)
Regards,
Rajan Bhakta
z/OS XL C/C++ Compiler Technical Architect
ISO C Standards Representative for Canada
C Compiler Development
Contact: rbhakta at us.ibm.com, Rajan Bhakta/Houston/IBM
From: Rajan Bhakta/Houston/IBM at IBMUS
To: "cfp-interest at oakapple.net" <cfp-interest at oakapple.net>,
Date: 08/08/2013 01:01 PM
Subject: [Cfp-interest] WG14 IEEE 754-C binding meeting minutes
2013/08/08
Sent by: cfp-interest-bounces at oakapple.net
2013/08/08:
Attendees: Jim, Mike, David, Ian, Rajan, Marius (10:00 PDT)
Old action items:
Jim to send email about WANT macros - Done
All to review July 10th email (5.2.4.2.2 reorg) - Done
Next meeting:
September 10th, 2013, 12:00 EST, 9:00 PDT
Same teleconference number
New action items:
Jim: Changes to make to part 2:
Page 1: does not cover -> neither
Page 3: Remove lists unless there is an actual change in the
identifiers
Page 8: Look at the phrase "they have the" to see if other places may
have the existing wording
Page 19: Line 4: Font on stdio.h is wrong
Jim: Changes to make to all parts: Want macro name:
__STDC_WANT_IEC_60559_{BFP, DFP, TYPES, FUNCS, ...}__
Current status:
Ballot on part one ends on August 16th and this is the first time we
get to look at comments
Jim will be on vacation from the 16th to the 29th
WG14 mailing deadline is September 2nd, but John will allow posting
docs until September 16th to still discuss it in the meeting
WG14 meeting: September 30th to October 3rd
Jim can work on speculative draft based on comments discussing over
email before the September meeting
Jim will get the part 2 draft ready for the WG14 posting
Part 2 discussion:
*Page 1: does not cover -> neither
Page 3: Grouping the changes here is a lot of information at the start,
but it seems to be easier for implementers and for maintenance.
*The lists are only present for review purposes, but will be removed
for the actual change
We can have a list of identifiers introduced per want macro.
Page 8:
Mike: Rather than "they have the" -> "they correspond to the"
*Jim: Other places may have the existing wording. I will check.
Correspond seems too weak.
Page 11:
Should we make a corresponding change to the standard floating types
even though the clarification has nothing to do with the new floating point
standard update.
Rajan: Better to try and pass part 1 and part 2 and handle it as a DR
Mike: We could also handle this as part of the comments for part 1
Jim: We can provide editorial suggestions based on the ballot even if
there were no comments on this part
Do we want to add in the other -ve value text to allow implementation
defined behavior?
We can come back to this in Part 3 if needed.
*Page 19: Line 4: Font on stdio.h is wrong
Page 21:
This is different from other standard pragmas in that some
implementations do macro expansion in pragmas and others don't. Since the
values are std defined pragmas this may have implications we have not
considered.
Want macro name:
Keep functional part for code readability
Drop EXT#, LIB since they add no value
Keep IEC, 60559 to identify it
*Name: __STDC_WANT_IEC_60559_{BFP, DFP, TYPES, FUNCS, ...}__
Regards,
Rajan Bhakta
z/OS XL C/C++ Compiler Technical Architect
ISO C Standards Representative for Canada
C Compiler Development
Contact: rbhakta at us.ibm.com, Rajan Bhakta/Houston/IBM
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