operator overloading for streams

[José A. Romero M.]

You need to include the header, I guess:

#include <iostream>

or

#include <iostream.h>

I do not remember well.


Good luck!

----- Original Message -----
From: "Adrian Anner" <a.anner at medres.ch>
To: "vtk" <vtkusers at gsao.med.ge.com>
Sent: Wednesday, January 26, 2000 5:56 AM
Subject: operator overloading for streams


> hi
> I'm using a  C++ matrix template class to do some matrix calculations. It
> uses operator overloading to read/write a matrix from/to input/output
stream
> as per standard C++ operator :
>
> MAT_TEMPLATE istream& operator >> (istream& istrm, matrixT& m);
> MAT_TEMPLATE ostream& operator << (ostream &ostrm, const matrixT& m);
>
> If I include a vtk-file and this matrix-file i get a couple of the
> following errors  :
>
> C:\Programme\DevStudio\MyProjects\ex\matrix/matrix.h(242) : error C2872:
> 'ostream' : Mehrdeutiges Symbol
> C:\Programme\DevStudio\MyProjects\ex\matrix/matrix.h(343) : error C2872:
> 'istream' : Mehrdeutiges Symbol
>
> How you can see I'm using  MS VC 5.0
>
> thanks for all your help
>
> Adrian
>
>
>
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