Re: [jira] Created: (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."

[Martin Sebor]

Farid Zaripov (JIRA) wrote:

[Sun C++ 5.9] 0.char test failed due to different binary representation of "long double ld1 = 
0" and "long double ld2 = 0."

This feels like compiler bug, wouldn't you say?

Martin

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                 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
            Priority: Trivial
             Fix For: 4.2.1


{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}