Re: libstdc++/3026

[Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>]

The following reply was made to PR libstdc++/3026; it has been noted by GNATS.

From: Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
To: "Catenazzi, Giacomo Amabile" <giacomoamabile.catenazzi@cepe.mavt.ethz.ch>
Cc: Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>, cate@dplanet.ch,
   gcc-gnats@gcc.gnu.org
Subject: Re: libstdc++/3026
Date: 07 Jun 2001 18:23:31 +0200

 "Catenazzi, Giacomo Amabile" <giacomoamabile.catenazzi@cepe.mavt.ethz.ch> writes:
 
 | Gabriel Dos Reis wrote:
 | > 
 | > Giacomo Catenazzi <cate@math.ethz.ch> writes:
 | > 
 | > | Gabriel Dos Reis wrote:
 | > |
 | > | An other problem: Should '#include <complex>' define functions/classes
 | > | in std namespace, without exporting it in global namespace?
 | > | Now <complex> and <complex.h> are the same, and both use global
 | > | namespace.
 | > 
 | > There is nothing named <complex.h> specified by C++.  The standard
 | > header <complex> defines its entities only in namespace std.  I
 | > strongly suggest you stick to those standard interfaces.
 | > 
 | 
 | Ok. Sorry. Confused about different version of library.
 | BTW
 | .  #include <complex>
 | .  int foo(std::complex<double> z) {
 | .    return int(real(z));
 | .  }
 | This code will compile on http://www.codesourcery.com/gcc-compile.shtml
 | thus 'real' is in also on global namespace.
 
 No, the conclusion doesn't follow. `real' is in the standard namespace.
 It is found thanks to Koenig lookup.
 
 -- Gaby