Re: iostream.h & CINT in ROOT v2.22/04

From: Rutger van der Eijk (r36@nikhef.nl)
Date: Sat Jun 05 1999 - 21:38:41 MEST


Hi,

Looking a bit further it seems that the problem with macros is:

{

  if (whatever) {
     #include <iostream.h>
  }

}

doesn't work.


{         
 
#include <iostream.h>
 
}

does work. So it's minor thing, solved now.

Sorry for posting,

Rutger

On Sat, 5 Jun 1999, Rutger van der Eijk wrote:

> Hi,
> 
> I try to get my code running with ROOT v2.22/04 and run into a
> small problem executing marcos.
> 
> To be able to initialize certain members of an object without recompiling
> I call a macro from within the object at initialization time. In this
> macro I sometimes need to give output to cout. In v2.21 I had to use
> #include <iostream.h> to be able to do this. (Not in an interactive
> version because then it's in my rootlogon.C). Now this seems to give
> conflict with CINT.
> 
> 
> The call from the object:
> 
> ------------
> StatusCode OTAlgorithm::setProperties()
> {
>   // Set algorithm properties.
>   // This is done my calling the (CINT) C++ macro associated with this
> algorithm.
> 
>   // set global algorithm to this algorithm
>   gOTAlgorithm = this;
> 
>   // create macro name
>   TString macroName = "i" + this->name() + ".C";
> 
>   // execute macro
>   if (gROOT->Macro(macroName) != 0) { // however gROOT->Macro always
> returns 0...
>     return StatusCode::FAILURE;
>   }
> 
>   // end
>   return StatusCode::SUCCESS;
> }
> ----------
> (parts) of the macro:
> 
> 
> --------
> {
>   // check for global algorithm
>   if (!gOTAlgorithm) {
>     #include <iostream.h>
>     cout << "gOTAlgorithm not defined" << endl;
>     return;
>   }
> 
> 
> ...
> ... 
>  
> //  initialize the algorithm
> 
> ...
> ...
> }
> -------
> 
> 
> 
> This gives the error with new ROOT:
> 
> Error: class,struct,union or type intostream not defined
> FILE:/afs/cern.ch/user/r/rutger/root/cint/include/iostream.h LINE:233
> 
> How should I handle this now(V2.22)?
> 
> Rutger van der Eijk
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 



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