PSHist/include/Profile.h

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#ifndef PSHIST_PROFILE_H
#define PSHIST_PROFILE_H

//--------------------------------------------------------------------------
// File and Version Information:
//      $Id: Profile.h 2050 2011-06-29 21:30:05Z salnikov@SLAC.STANFORD.EDU $
//
// Description:
//      Class Profile.
//
//------------------------------------------------------------------------

//-----------------
// C/C++ Headers --
//-----------------
#include <iosfwd>
#include <boost/utility.hpp>

//              ---------------------
//              -- Class Interface --
//              ---------------------

namespace PSHist {

/**
 *  @ingroup PSHist
 *  
 *  @brief Interface for profile histogram class.
 * 
 *  Currently this interface defines only very simple filling operations.
 *
 *  This software was developed for the LCLS project.  If you use all or 
 *  part of it, please give an appropriate acknowledgment.
 *
 *  @see HManager
 *
 *  @version $Id: Profile.h 2050 2011-06-29 21:30:05Z salnikov@SLAC.STANFORD.EDU $
 *
 *  @author Mikhail S. Dubrovin
 */

class Profile : boost::noncopyable {
public:

  // Destructor
  virtual ~Profile () {}

  /**
   *  @brief Fill histogram.
   *  
   *  @param[in] x      Histogrammed value.
   *  @param[in] y      Histogrammed value.
   *  @param[in] weight Weight assigned to this value.
   */
  virtual void fill(double x, double y, double weight=1.0) = 0;

  /**
   *  @brief Fill histogram with multiple values.
   *  
   *  This method is equivalent to calling fill() multiple times but
   *  implementation may provide more efficient way if you have
   *  many values to fill histogram at once.
   *  
   *  @param[in] n      Size of the values array.
   *  @param[in] x      Histogrammed values array, array size is n.
   *  @param[in] y      Histogrammed values array, array size is n.
   *  @param[in] weight Weight assigned to these values, if pointer is 
   *                    zero then weight 1 is assumed for every value.
   */
  virtual void fillN(unsigned n, const double* x, const double* y, const double* weight=0) = 0;

  /**
   *  @brief Reset the accumulated contents of a histogram.
   */
  virtual void reset() = 0;

  /// Print some basic information about histogram to a stream
  virtual void print(std::ostream& o) const = 0;

};

} // namespace PSHist

#endif // PSHIST_PROFILE_H

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