frexpl bugs remain on OS X 10.5 intel

[Gary V. Vaughan]

Hi Bruno,

In preparation for some libtool patches against Eric's reports, I  
decided to upgrade my gnulib checkout and rebuild m4 HEAD against  
it.    I'm on the opposite side of the planet to my ppc machine for  
the next few months, but there are /\(still\|new\)/ frexpl bugs in  
gnulib on my intel MacBook:

$ VERBOSE=1 make check TESTS='test-frexpl test-printf-frexpl'
[[...]]
make  check-TESTS
i:-16382 exp:-16384
../../../tests/gnu/test-frexpl.c:136: assertion failed
/bin/sh: line 1: 49522 Abort trap              EXEEXT='' EXEEXT=''  
EXEEXT='' EXEEXT='' srcdir='../../../tests/gnu' EXEEXT=''  
srcdir='../../../tests/gnu' EXEEXT='' srcdir='../../../tests/gnu'  
EXEEXT='' srcdir='../../../tests/gnu' EXEEXT='' EXEEXT=''  
LOCALE_FR='none' LOCALE_FR_UTF8='fr_FR.UTF-8' EXEEXT=''  
srcdir='../../../tests/gnu' EXEEXT='' srcdir='../../../tests/gnu'  
EXEEXT='' srcdir='../../../tests/gnu' ${dir}$tst
FAIL: test-frexpl
exp=0XF.FFFC002P-16417 mantissa=$0X0P+0  
my_ldexp<=0X8.FE01A800000000CP-16386
../../../tests/gnu/test-printf-frexpl.c:95: assertion failed
/bin/sh: line 1: 49528 Abort trap              EXEEXT='' EXEEXT=''  
EXEEXT='' EXEEXT='' srcdir='../../../tests/gnu' EXEEXT=''  
srcdir='../../../tests/gnu' EXEEXT='' srcdir='../../../tests/gnu'  
EXEEXT='' srcdir='../../../tests/gnu' EXEEXT='' EXEEXT=''  
LOCALE_FR='none' LOCALE_FR_UTF8='fr_FR.UTF-8' EXEEXT=''  
srcdir='../../../tests/gnu' EXEEXT='' srcdir='../../../tests/gnu'  
EXEEXT='' srcdir='../../../tests/gnu' ${dir}$tst
FAIL: test-printf-frexpl
===============================
2 of 2 tests failed
Please report to address@hidden
===============================

I added these printfs to the failing test sources to generate the  
extra output:

tests/gnu/test-frexpl.c:135:fprintf(stderr, "i:%d exp:%d\n", i, exp);
tests/gnu/test-printf-frexpl.c:94:fprintf(stderr, "exp=%LA mantissa=$ 
%LA my_ldexp<=%LA\n", exp, mantissa, my_ldexp(1.0L, i - LDBL_MIN_EXP));

The mysteries of double precision representation in memory continue to  
confound me, but if I can provide you with anything else to help fix  
this, please let me know.

Cheers,
        Gary
--
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