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RooAbsRootFinder.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * File: $Id: RooAbsRootFinder.h,v 1.6 2007/05/11 09:11:30 verkerke Exp $
5 * Authors: *
6 * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
7 * DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
8 * *
9 * Copyright (c) 2000-2005, Regents of the University of California *
10 * and Stanford University. All rights reserved. *
11 * *
12 * Redistribution and use in source and binary forms, *
13 * with or without modification, are permitted according to the terms *
14 * listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
15 *****************************************************************************/
16#ifndef ROO_ABS_ROOT_FINDER
17#define ROO_ABS_ROOT_FINDER
18
19#include "Rtypes.h"
20
21class RooAbsFunc;
22
24public:
25 RooAbsRootFinder(const RooAbsFunc& function);
26 inline virtual ~RooAbsRootFinder() { }
27
28 virtual Bool_t findRoot(Double_t &result, Double_t xlo, Double_t xhi, Double_t value= 0) const = 0;
29
30protected:
31 const RooAbsFunc *_function; // Pointer to input function
32 Bool_t _valid; // True if current state is valid
33
34 ClassDef(RooAbsRootFinder,0) // Abstract interface for 1-dim real-valued function root finders
35};
36
37#endif
double Double_t
Definition RtypesCore.h:59
#define ClassDef(name, id)
Definition Rtypes.h:325
Abstract interface for evaluating a real-valued function of one real variable and performing numerica...
Definition RooAbsFunc.h:27
RooAbsRootFinder is the abstract interface for finding roots of real-valued 1-dimensional function th...
virtual Bool_t findRoot(Double_t &result, Double_t xlo, Double_t xhi, Double_t value=0) const =0
const RooAbsFunc * _function
virtual ~RooAbsRootFinder()