text: #ifndef GCRFit_h
  #define GCRFit_h
  
  // $Header: /nfs/slac/g/glast/ground/cvs/calibGenCAL/src/lib/Hists/GCRFit.h,v 1.2 2007/06/13 22:42:12 fewtrell Exp $
  
  /** @file
      @author Zachary Fewtrell
  */
  
  // LOCAL INCLUDES
  
  // GLAST INCLUDES
  
  // EXTLIB INCLUDES
  
  // STD INCLUDES
  #include <string>
  
  class TDirectory;
  
  namespace CalUtil {
    class CalMPD;
  }
  
  namespace calibGenCAL {
    class GCRHists;
  
    /** \brief Collection of tools for fitting GCR calib histograms
     */
    namespace GCRFit {
      /// fit GCR histograms & output fitting results to CalMPD obj w/ simple Gaussian peakshape
      /// \parm calMPD output calibration constants
      /// \parm writeFile location for output fit results tuple
      /// \parm tupleName output tuple fit results name
      void gcrFitGaus(GCRHists &histCol,
  			CalUtil::CalMPD &calMPD,
                      TDirectory *const writeFile,
                      const std::string &tupleName="GCRFitGauss"
                      );
    } // namespace GCRFit
  
  } // namespace calibGenCAL 
  
  #endif
  