[Info-vax] gnulib test-fmal-ieee failure help needed.

[Stephen Hoffman]

On 2017-07-23 03:52:24 +0000, John E. Malmberg said:

> On 7/22/2017 10:09 PM, Craig A. Berry wrote:
>> On 7/22/17 8:54 PM, John E. Malmberg wrote:
>>> The gnulib test-fmal-ieee is failing for the gnulib provided fmal routine.
>>> 
>>> Actually a lot of the IEEE tests are failing.
>>> 
>>> My compiler command line on OpenVMS 8.4 is:
>>> 
>>> CC/STANDARD=(RELAXED)/ACCEPT=(NOVAXC,RESTR,C99)-
>>> /LIST/SHOW=(EXPAN,INCLU)/NAMES=(AS_IS,SHORT)-
>>> /MAIN=POSIX_EXIT-
>>> /FLOAT=IEEE/IEEE_MODE=DENORM_RESULTS-
>>> /NESTED=NONE-
>>> /PREFIX=EXCEPT=(STRTOIMAX,STRTOUMAX,ISWBLANK,ISBLANK)-
>>> /WARN=(DISABLE=QUESTCOMPARE)-
>>> /DEBUG/NOOPTIMIZE/DEB=ALL/NOOPT-
>>> /DEF=-(HAVE_CONFIG_H,EXEEXT="",EXEEXT="",NO_XMALLOC,EXEEXT="",-
>>> GNULIB_STRICT_CHECKING=1,_POSIX_EXIT,_USE_STD_STAT,-
>>> _  _USE_STD_IOSTREAM)-
>>> /INC=(./,../)/OBJECT=SYS$DISK:[]fmal.o SYS$DISK:[]fmal.c
>>> 
>>> The floating variables involved are declared double.
>>> ...
> 
> ...the gnulib fmal code is long doubles, not doubles.
> 
> VMS has a number of the declarations that should be in math.h in fp.h.

There's a decent shot that this is a bug in OpenVMS C and 
underpinnings, but...   where is the question.

Turn on /CHECK=ALL diagnostics, and see if that qualifier reports 
anything interesting or relevant?  That certainly won't fix anything. 
but that might flag something.





-- 
Pure Personal Opinion | HoffmanLabs LLC