[Issue 10187] New: Precision of floating-point returned values

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=10187

           Summary: Precision of floating-point returned values
           Product: D
           Version: D2
          Platform: x86
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: thecybershadow at gmail.com


--- Comment #0 from Vladimir Panteleev <thecybershadow at gmail.com> 2013-05-28 09:54:51 EEST ---
real n = 6287.4;
float f() { return n; }

void main()
{
    assert(f() == f());
}

The assert fails, presumably because one value is on the stack, and another is
in an FPU register.

Stumbled upon it while attempting:

allData.sort!((a, b) => a["!Price"].to!float() < b["!Price"].to!float())();

std.algorithm throws, because "Predicate for isSorted is not antisymmetric".

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