[LLVMbugs] [Bug 8227] New: [Unit Test][SupportTests.raw_ostreamTest.Types_{Unb, B}uffered] Failure: Windows adds an extra 0 to exponent.

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=8227

           Summary: [Unit
                    Test][SupportTests.raw_ostreamTest.Types_{Unb,B}uffere
                    d] Failure: Windows adds an extra 0 to exponent.
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: bigcheesegs at gmail.com
                CC: llvmbugs at cs.uiuc.edu


SupportTests.raw_ostreamTest.Types_{Unb,B}uffered fail with:

[ RUN      ] raw_ostreamTest.Types_Buffered
..\..\..\llvm\unittests\Support\raw_ostream_test.cpp(69): error: Value of:
printToString(1.1)
  Actual: "1.100000e+000"
Expected: "1.100000e+00"
[  FAILED  ] raw_ostreamTest.Types_Buffered (1 ms)
[ RUN      ] raw_ostreamTest.Types_Unbuffered
..\..\..\llvm\unittests\Support\raw_ostream_test.cpp(100): error: Value of:
printToStringUnbuffered(1.1)
  Actual: "1.100000e+000"
Expected: "1.100000e+00"
[  FAILED  ] raw_ostreamTest.Types_Unbuffered (1 ms)

This seems to be another case of MSVC adding an extra 0 to the exponent. What
does the standard say about this? If it's not defined how many 0's there should
be, or it's implementation defined, then the test should be fixed. If Microsoft
is wrong, I think we should correct it in code if it's not too difficult.

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