[LC++]using std::

Dr Mark H Phillips mark at austrics.com.au
Thu May 15 14:57:02 UTC 2003


On Thu, 2003-05-15 at 14:41, alain wrote:
> Hello,
> 
> I have a little problem with "using".
> 
> \\...
> #include <cmath>
> \\...
> main{
> \\
> }
> $c++ test.cpp
> I had no error messagge, else if I write
> \\...
> #include <cmath>
> using std::math;

What object is "math" supposed to be?  Is it a function or a
variable or a class?  I am not aware that there is any such
object.

Perhaps you meant to write:

  using namespace std;

?

> \\...
> main{
> \\
> }
> $c++ test.cpp
> I had the error: "math not declared".
> 
> This error happens on a Mdk 9.0 system (gcc3.2???) but not on my debian
> 3.0 box (gcc2.95).
> What's wrong?

C++ version 2.95 seems to essentially ignore namespaces where as version
3.2 deals with them properly.

Cheers,

Mark.


> Regards,
> 
> alain
> 
> -- 
> alain <alainbe at free.fr>
> 
> _______________________________________________
> This is the Linux C++ Programming List
> : http://lists.linux.org.au/listinfo/tuxcpprogramming List
-- 
Dr Mark H Phillips
Research Analyst (Mathematician)

AUSTRICS - smarter scheduling solutions - www.austrics.com

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Email mark at austrics.com.au




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