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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 
21 class RooAbsFunc;
22 
24 public:
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 
30 protected:
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
RooAbsRootFinder(const RooAbsFunc &function)
Constructor take function binding as argument.
bool Bool_t
Definition: RtypesCore.h:61
#define ClassDef(name, id)
Definition: Rtypes.h:322
RooAbsRootFinder is the abstract interface for finding roots of real-valued 1-dimensional function th...
virtual ~RooAbsRootFinder()
const RooAbsFunc * _function
double Double_t
Definition: RtypesCore.h:57
virtual Bool_t findRoot(Double_t &result, Double_t xlo, Double_t xhi, Double_t value=0) const =0
Abstract interface for evaluating a real-valued function of one real variable and performing numerica...
Definition: RooAbsFunc.h:23