std::arg() bug : not repetitive ?
Marco Atzeri
marco_atzeri@yahoo.it
Wed Sep 2 07:05:00 GMT 2009
--- Mer 2/9/09, Dave Korn ha scritto:
> Bah. Still, at least the -ffloat-store
> workaround still helps, for this
> case at any rate.. Also, if you get GCC to use SSE
> instructions, there's no
> issue with excess precision:
>
> > $ g++-4 comp_2.cc -o0 -o comp_2 -I
> /usr/include/octave-3.2.0/octave -march=pent
> > ium4 -msse -mfpmath=sse
> >
> > $ ./comp_2.exe
> > 0.785398
> > 0.785398
> > 0
> > 0
> >
> > $
Are this setting acceptable for a cygwin package ?
-march=pentium4 -msse -mfpmath=sse
>
> However it does look like it's not going to get
> fully fixed for C++ until
> someone with some serious language-lawyering skills can
> spend some time
> defining the exact semantics.
Not me. ;-(
>
> cheers,
> DaveK
>
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