[Bug libstdc++/48760] [4.6 / 4.7 Regression (?)] std::complex constructor buggy in the face of NaN's

[gdr at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48760

Gabriel Dos Reis <gdr at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |gdr at gcc dot gnu.org

--- Comment #8 from Gabriel Dos Reis <gdr at gcc dot gnu.org> 2011-04-25 17:57:15 UTC ---
(In reply to comment #1)
> I don't think this is a library proper issue, how can it be? We have just:
> 
>       constexpr // In C++0x mode
>       complex(float __r = 0.0f, float __i = 0.0f)
>       : _M_value(__r + __i * 1.0fi) { }

I believe we need a compiler support to construct a complex
value from its independent components -- instead of the low-level
C-style assignments that we are currently forced to do (or use
multiplication.)   I think that is the way to go.

-- Gaby