[Bug libc/4943] Inconsistent rounding behaviour for sprintf and IEEE doubles

["paul at inet dot co dot za" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From paul at inet dot co dot za  2007-09-20 00:01 -------
(In reply to comment #3)
> I don't see any inconsistency....

Thank you for making my point for me.  Your exact same code compiled with MinGW
for Windows produces the following output:

$ gcc -o tst.exe tst.cpp

paul@MINIEPC /i/ldev
$ ./tst.exe
-8.5 -9
-7.5 -8
-6.5 -7
-5.5 -6
-4.5 -5
-3.5 -4
-2.5 -3
-1.5 -2
-0.5 -1
 0.5 1
 1.5 2
 2.5 3
 3.5 4
 4.5 5
 5.5 6
 6.5 7
 7.5 8
 8.5 9

paul@MINIEPC /i/ldev
$

You still don't spot the inconsistency?

Rounding toward even numbers is mathematical nonsense.


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http://sourceware.org/bugzilla/show_bug.cgi?id=4943

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