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Postings from October 2016
On Mon Oct 24 06:13:24 2016, dcollinsn@gmail.com wrote:
> Hello!
>
> Starting somewhere between v5.25.6-35-ge7619cc and v5.25.6-47-g69c5d0e, I
> began seeing the following test failures on linux with -Dusequadmath (
> http://perl.develop-help.com/raw/?id=196087
> http://perl.develop-help.com/raw/?id=196097) and on Windows with all
> configurations (http://perl5.test-smoke.org/report/50770)
>
> The Windows issue is the following test:
>
> like lm(-3.5e30), qr/main::lm\(-3\.5[eE]\+?30\)/;
>
> The test expects numbers to be printed like "-3.5e30" or "-3.5e+30". Both
> reasonable choices. Windows and quadruple precision floats are here to make
> your life more interesting.
>
> On Windows, I get "030" for the exponent, instead of "30". I can include a
> log of this when I get home, I just can't see it from here.
>
> The Linux issue is the same test:
>
> like lm(-3.5e30), qr/main::lm\(-3\.5[eE]\+?30\)/;
>
> Under Quadmath, we get the following output:
>
> main::lm(-3500000000000000000000000000000)
>
> Not sure if the behavior is wrong or if the test is, but I remember Jarkko
> fighting to get the same sort of thing - printf number formats - to test
> cleanly while he was working on the hexfp stuff a few months ago.
>
> I'll bisect the Linux issue.
Confirmation of test failure:
#####
$ cd t; ./perl harness -v ../dist/Carp/t/arg_string.t; cd -
ok 1
ok 2
ok 3
ok 4
not ok 5
# Failed test at t/arg_string.t line 25.
# 'x at t/arg_string.t line 9.
# main::lm(-3500000000000000000000000000000) called at t/arg_string.t line 25
# '
# doesn't match '(?^:main::lm\(-3\.5[eE]\+?30\))'
#####
#####
$ ./perl -Ilib -V
Summary of my perl5 (revision 5 version 25 subversion 7) configuration:
Commit id: a1b60c8dae6ad00c164e20cf9151bae68e85ab2d
Platform:
osname=linux
osvers=4.4.0-45-generic
archname=x86_64-linux-quadmath
uname='linux zareason 4.4.0-45-generic #66-ubuntu smp wed oct 19 14:12:37 utc 2016 x86_64 x86_64 x86_64 gnulinux '
config_args='-des -Dusedevel -DDEBUGGING -Dusequadmath'
hint=recommended
useposix=true
d_sigaction=define
useithreads=undef
usemultiplicity=undef
use64bitint=define
use64bitall=define
uselongdouble=undef
usemymalloc=n
bincompat5005=undef
Compiler:
cc='cc'
ccflags ='-fwrapv -DDEBUGGING -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64'
optimize='-O2 -g'
cppflags='-fwrapv -DDEBUGGING -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include'
ccversion=''
gccversion='5.4.0 20160609'
gccosandvers=''
intsize=4
longsize=8
ptrsize=8
doublesize=8
byteorder=12345678
doublekind=3
d_longlong=define
longlongsize=8
d_longdbl=define
longdblsize=16
longdblkind=3
ivtype='long'
ivsize=8
nvtype='__float128'
nvsize=16
Off_t='off_t'
lseeksize=8
alignbytes=16
prototype=define
Linker and Libraries:
ld='cc'
ldflags =' -fstack-protector-strong -L/usr/local/lib'
libpth=/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/5/include-fixed /usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib /lib64 /usr/lib64
libs=-lpthread -lnsl -ldb -ldl -lm -lcrypt -lutil -lc -lquadmath
perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc -lquadmath
libc=libc-2.23.so
so=so
useshrplib=false
libperl=libperl.a
gnulibc_version='2.23'
Dynamic Linking:
dlsrc=dl_dlopen.xs
dlext=so
d_dlsymun=undef
ccdlflags='-Wl,-E'
cccdlflags='-fPIC'
lddlflags='-shared -O2 -g -L/usr/local/lib -fstack-protector-strong'
Characteristics of this binary (from libperl):
Compile-time options:
DEBUGGING
HAS_TIMES
PERLIO_LAYERS
PERL_COPY_ON_WRITE
PERL_DONT_CREATE_GVSV
PERL_HASH_FUNC_ONE_AT_A_TIME_HARD
PERL_MALLOC_WRAP
PERL_OP_PARENT
PERL_PRESERVE_IVUV
PERL_USE_DEVEL
USE_64_BIT_ALL
USE_64_BIT_INT
USE_LARGE_FILES
USE_LOCALE
USE_LOCALE_COLLATE
USE_LOCALE_CTYPE
USE_LOCALE_NUMERIC
USE_LOCALE_TIME
USE_PERLIO
USE_PERL_ATOF
USE_QUADMATH
Built under linux
#####
--
James E Keenan (jkeenan@cpan.org)
---
via perlbug: queue: perl5 status: new
https://rt.perl.org/Ticket/Display.html?id=129954
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