<font size=2 face="sans-serif">Joseph's reply... Sorry for not forwarding
sooner. I had thought I had done it already.</font><br><br><font size=2 face="sans-serif">Regards,<br><br>Rajan Bhakta<br>z/OS XL C/C++ Compiler Technical Architect<br>ISO C Standards Representative for Canada, PL22.11 Chair (USA)<br>C Compiler Development<br>Contact: rbhakta@us.ibm.com, Rajan Bhakta/Houston/IBM</font><br><font size=1 color=#800080 face="sans-serif">----- Forwarded by Rajan
Bhakta/Houston/IBM on 06/21/2018 10:18 AM -----</font><br><br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">Joseph Myers <joseph@codesourcery.com></font><br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">Rajan Bhakta <rbhakta@us.ibm.com></font><br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">05/22/2018 02:29 PM</font><br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: (SC22WG14.15205)
Pointer Operations</font><br><hr noshade><br><br><br><tt><font size=2>On Tue, 22 May 2018, Rajan Bhakta wrote:<br><br>> Hi Joseph,<br>> <br>> I agree, and it's been part of the C FP proposals to get feedback
and <br>> experience before strongly pushing any of the parts into C2X. Do you
have <br>> specific feedback on any parts you want to see added and ones you
don't or <br>> haven't implemented?<br><br>Well, I've implemented most of part 1, other than constant rounding modes,
<br>and part 3 for _FloatN / _FloatNx types, other than the new functions that
<br>don't have float / double / long double analogues, and think the issues
<br>I've found there have generally been addressed through the DR process.<br><br>I've not done anything with part 2 (or the _Decimal* parts of part 3) and
<br>don't know to what extent new features from there have been implemented
(I <br>think a few new functions may have been implemented in libdfp, but not
<br>most of them).<br><br>I've not done anything with parts 4 and 5 and don't know to what extent
<br>features from there may have been implemented at all (beyond glibc already
<br>having had the exp10 functions for a long time).<br><br>For part 1, if features are integrated into C2X, I think it's appropriate
<br>to consider case-by-case whether some features should be unconditional
<br>features of C2X (required to be supported, defined or declared without
<br>requiring any feature test macros to be defined). For example, the
<br>integer width macros, which are only very peripherally related to floating
<br>point and are easy to implement, would be a good candidate for such an
<br>unconditional feature, but more of the features, other than those for <br>which the prototypes are only defined in Annex F, could be appropriate
for <br>such unconditional features (to the extent that they are similar features
<br>to functions required unconditionally since C99).<br><br>-- <br>Joseph S. Myers<br>joseph@codesourcery.com<br><br></font></tt><BR>