------- Additional Comments From vincent+libc at vinc17 dot org 2008-10-27
09:33 -------
(In reply to comment #4)
> The functions have defined behavior only in the default rounding mode
> (round-to-even), anything else is undefined behavior and completely
> programmer's
> fault for calling the functions in those rounding modes.
No, it isn't. There's no undefined behavior there. The C standard says (F.9):
"Whether the functions honor the rounding direction mode is
implementation-defined."
So, this just means that an implementation doesn't need to return a result
rounded to the correct direction (this is implementation-defined). Still it
should return an approximate value whatever the rounding direction mode is, and
not behave erratically.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|INVALID |
http://sourceware.org/bugzilla/show_bug.cgi?id=3976
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