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From "Farid Zaripov (JIRA)" <j...@apache.org>
Subject [jira] Closed: (STDCXX-880) num_put::put(..., 1.0e+4932L, ...) formats "inf"
Date Thu, 15 May 2008 12:25:56 GMT

     [ https://issues.apache.org/jira/browse/STDCXX-880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Farid Zaripov closed STDCXX-880.
--------------------------------


Merged in 4.2.x branch thus: http://svn.apache.org/viewvc?rev=651034&view=rev

> num_put::put(..., 1.0e+4932L, ...) formats "inf"
> ------------------------------------------------
>
>                 Key: STDCXX-880
>                 URL: https://issues.apache.org/jira/browse/STDCXX-880
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 22. Localization
>    Affects Versions: trunk
>            Reporter: Martin Sebor
>            Assignee: Farid Zaripov
>            Priority: Blocker
>             Fix For: 4.2.1
>
>         Attachments: num_put.cpp.diff
>
>   Original Estimate: 2h
>          Time Spent: 1h
>  Remaining Estimate: 1h
>
> The [{{22.locale.num.put.cpp}}|http://svn.apache.org/repos/asf/stdcxx/trunk/tests/localization/22.locale.num.put.cpp]
fails 4 assertions with the head of trunk (see below). The test passes at 100% with 4.2.0.
I reduced the failures to the following test case:
> {noformat}
> $ cat t.cpp && gmake t && ./t 
> #include <cassert>
> #include <cstdio>
> #include <math.h>
> #include <sstream>
> int main ()
> {
>     const long double x = 1.0e+4932L;
>     assert (isnormal (x));
>     std::ostringstream strm;
>     strm << x;
>     char buf [40];
>     std::sprintf (buf, "%Lg", x);
>     if (strm.str () == buf)
>         return 0;
>     std::printf ("%s != %s\n", strm.str ().c_str (), buf);
>     assert (0);
> }
> aCC -c  -D_RWSTDDEBUG   -mt -I/amd/devco/sebor/stdcxx-4.2.x/include -I/build/seb
> or/stdcxx-4.2.x-aCC-6.16-15D//include -I/amd/devco/sebor/stdcxx-4.2.x/tests/incl
> ude  -AA  -g +d  +DD64 +w +W392,655,684,818,819,849 +W2193,2236,2261,2340,2401,2
> 487 +W4227,4229,4231,4235,4237,4249 +W4255,4272,4284,4285,4286,4296,4297 +W3348 
>   t.cpp
> "/amd/devco/sebor/stdcxx-4.2.x/include/loc/_ctype.h", line 545: warning #2186-D:
>  
>           pointless comparison of unsigned integer with zero
>       if (   0 <= __c
>                ^
> "/amd/devco/sebor/stdcxx-4.2.x/include/loc/_ctype.h", line 555: warning #2186-D:
>  
>           pointless comparison of unsigned integer with zero
>       if (   0 <= __c
>                ^
> aCC t.o -o t -L/build/sebor/stdcxx-4.2.x-aCC-6.16-15D//rwtest -lrwtest15D -AA +n
> ostl -Wl,+s   -mt +DD64 -L/build/sebor/stdcxx-4.2.x-aCC-6.16-15D//lib  -Wl,+b/bu
> ild/sebor/stdcxx-4.2.x-aCC-6.16-15D//lib:/build/sebor/stdcxx-4.2.x-aCC-6.16-15D/
> /rwtest -lstd15D  -lm 
> inf != 1e+4932
> Assertion failed: 0, file t.cpp, line 22
> ABORT instruction (core dumped)
> {noformat}
> The output of {{22.locale.num.put}} follows:
> {noformat}
> $ ./22.locale.num.put -q
> # ASSERTION (S7) (4 lines):
> # TEXT: line 377: num_put<char>::put (..., long double = 1.18973e+4932) wrote "inf",
expected "1.18973149535723176508575932662800702e+4932", flags = fmtflags(0), precision = 36
> # CLAUSE: lib.locale.num.put
> # LINE: 1854
> # ASSERTION (S7) (4 lines):
> # TEXT: line 377: num_put<char>::put (..., long double = 1e+4932) wrote "inf",
expected { "1", '0' <repeats 34 times>, "1", '0' <repeats 4897 times> }, flags
= fixed, precision = 0
> # CLAUSE: lib.locale.num.put
> # LINE: 1958
> # ASSERTION (S7) (4 lines):
> # TEXT: line 377: num_put<wchar_t>::put (..., long double = 1.18973e+4932) wrote
L"inf", expected "1.18973149535723176508575932662800702e+4932", flags = fmtflags(0), precision
= 36
> # CLAUSE: lib.locale.num.put
> # LINE: 1854
> # ASSERTION (S7) (4 lines):
> # TEXT: line 377: num_put<wchar_t>::put (..., long double = 1e+4932) wrote L"inf",
expected { "1", '0' <repeats 34 times>, "1", '0' <repeats 4897 times> }, flags
= fixed, precision = 0
> # CLAUSE: lib.locale.num.put
> # LINE: 1958
> # +-----------------------+----------+----------+----------+
> # | DIAGNOSTIC            |  ACTIVE  |   TOTAL  | INACTIVE |
> # +-----------------------+----------+----------+----------+
> # | (S1) INFO             |       96 |       96 |       0% |
> # | (S2) NOTE             |        1 |        1 |       0% |
> # | (S5) WARNING          |        2 |        2 |       0% |
> # | (S7) ASSERTION        |        4 |     1671 |      99% |
> # +-----------------------+----------+----------+----------+
> {noformat}

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