FitterUtil.h

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// @(#)root/minuit2:$Id$
// Author: L. Moneta    10/2005
 
/**********************************************************************
 *                                                                    *
 * Copyright (c) 2005 ROOT Foundation,  CERN/PH-SFT                   *
 *                                                                    *
 **********************************************************************/
 
#ifndef ROOT_FitterUtil_H_
#define ROOT_FitterUtil_H_
 
#include <vector>
 
class TF1;
 
/// utility functions to be used in the fitter classes
 
namespace FitterUtil {
 
/**
   Evaluate integral of model function around the bin
   To use when fitting with integral option
*/
double
EvalIntegral(TF1 *func, const std::vector<double> &x1, const std::vector<double> &x2, const std::vector<double> &par);
 
} // namespace FitterUtil
 
#endif