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Reference Guide
RooBrentRootFinder.h
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/*****************************************************************************
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* Project: RooFit *
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* Package: RooFitCore *
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* File: $Id: RooBrentRootFinder.h,v 1.6 2007/05/11 09:11:30 verkerke Exp $
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* Authors: *
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* WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
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* DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
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* *
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* Copyright (c) 2000-2005, Regents of the University of California *
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* and Stanford University. All rights reserved. *
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* *
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* Redistribution and use in source and binary forms, *
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* with or without modification, are permitted according to the terms *
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* listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
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*****************************************************************************/
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#ifndef ROO_BRENT_ROOT_FINDER
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#define ROO_BRENT_ROOT_FINDER
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#include "
RooAbsRootFinder.h
"
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class
RooBrentRootFinder
:
public
RooAbsRootFinder
{
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public
:
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RooBrentRootFinder
(
const
RooAbsFunc
&
function
);
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inline
virtual
~RooBrentRootFinder
() { }
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virtual
Bool_t
findRoot
(
Double_t
&result,
Double_t
xlo,
Double_t
xhi,
Double_t
value= 0)
const
;
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void
setTol
(
Double_t
tol) {
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// Set convergence tolerance parameter
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_tol
= tol ;
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}
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protected
:
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enum
{
MaxIterations
= 512 };
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Double_t
_tol
;
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ClassDef
(
RooBrentRootFinder
,0)
// Abstract interface for 1-dim real-valued function root finders
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};
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#endif
RooBrentRootFinder::MaxIterations
@ MaxIterations
Definition:
RooBrentRootFinder.h:33
Bool_t
bool Bool_t
Definition:
RtypesCore.h:63
RooAbsFunc
Abstract interface for evaluating a real-valued function of one real variable and performing numerica...
Definition:
RooAbsFunc.h:27
RooBrentRootFinder::setTol
void setTol(Double_t tol)
Definition:
RooBrentRootFinder.h:27
RooBrentRootFinder::~RooBrentRootFinder
virtual ~RooBrentRootFinder()
Definition:
RooBrentRootFinder.h:24
RooBrentRootFinder
Implement the abstract 1-dimensional root finding interface using the Brent-Decker method.
Definition:
RooBrentRootFinder.h:21
RooAbsRootFinder.h
RooBrentRootFinder::_tol
Double_t _tol
Definition:
RooBrentRootFinder.h:35
RooBrentRootFinder::RooBrentRootFinder
RooBrentRootFinder(const RooAbsFunc &function)
Constructor taking function binding as input.
Definition:
RooBrentRootFinder.cxx:44
Double_t
double Double_t
Definition:
RtypesCore.h:59
ClassDef
#define ClassDef(name, id)
Definition:
Rtypes.h:325
RooAbsRootFinder
RooAbsRootFinder is the abstract interface for finding roots of real-valued 1-dimensional function th...
Definition:
RooAbsRootFinder.h:23
RooBrentRootFinder::findRoot
virtual Bool_t findRoot(Double_t &result, Double_t xlo, Double_t xhi, Double_t value=0) const
Do the root finding using the Brent-Decker method.
Definition:
RooBrentRootFinder.cxx:58
roofit
roofitcore
inc
RooBrentRootFinder.h
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