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From "Farid Zaripov (JIRA)" <j...@apache.org>
Subject [jira] Closed: (STDCXX-862) [Sun C++ 5.9] 0.char test failed due to different binary representation of "long double ld1 = 0" and "long double ld2 = 0."
Date Thu, 15 May 2008 12:21:55 GMT

     [ https://issues.apache.org/jira/browse/STDCXX-862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Farid Zaripov closed STDCXX-862.
--------------------------------


> [Sun C++ 5.9] 0.char test failed due to different binary representation of "long double
ld1 = 0" and "long double ld2 = 0."
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: STDCXX-862
>                 URL: https://issues.apache.org/jira/browse/STDCXX-862
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0
>         Environment: Linux
>            Reporter: Farid Zaripov
>            Assignee: Farid Zaripov
>            Priority: Trivial
>             Fix For: 4.2.1
>
>   Original Estimate: 1h
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> {noformat}
> $ cat test.cpp && CC test.cpp -o test && ./test
> #include <cassert>
> #include <cstring>
> int main ()
> {
>     long double ld1 = 0;
>     long double ld2 = 0.;
>     
>     assert (ld1 == ld2);
>     assert (0 == memcmp (&ld1, &ld2, sizeof (ld1)));
>     
>     return 0;
> }
> test: test.cpp:10: Assertion `0 == memcmp (&ld1, &ld2, sizeof (ld1))' failed.
> Aborted
> {noformat}

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