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added a full user function example to doc/examples which should help a user to understand how to deal with the subclass plugin mechanism.

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suter_a
2016-06-22 09:39:13 +02:00
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doc/examples/UserFcn/PUserFcn.h Normal file
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/***************************************************************************
PUserFcn.h
Author: Andreas Suter
e-mail: andreas.suter@psi.ch
***************************************************************************/
/***************************************************************************
* Copyright (C) 2007-2016 by Andreas Suter *
* andreas.suter@psi.ch *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef _PUSERFCN_H_
#define _PUSERFCN_H_
#include <vector>
#include "PUserFcnBase.h"
/**
* <p>User function example class. Polynome of 3rd order.
*/
class PUserFcn : public PUserFcnBase
{
public:
PUserFcn() {}
~PUserFcn() {}
// global user-function-access functions, here without any functionality
Bool_t NeedGlobalPart() const { return false; }
void SetGlobalPart(vector<void*> &globalPart, UInt_t idx) { }
Bool_t GlobalPartIsValid() const { return true; }
// function operator
Double_t operator()(Double_t t, const std::vector<Double_t> &param) const;
// definition of the class for the ROOT dictionary
ClassDef(PUserFcn, 1)
};
#endif // _PUSERFCN_H_