ROOT_528-00b_version: roofit/roofitcore/src/RooAbsRootFinder.cxx Source File

00001 /*****************************************************************************
00002  * Project: RooFit                                                           *
00003  * Package: RooFitCore                                                       *
00004  * @(#)root/roofitcore:$Id: RooAbsRootFinder.cxx 24247 2008-06-12 14:54:32Z wouter $
00005  * Authors:                                                                  *
00006  *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu       *
00007  *   DK, David Kirkby,    UC Irvine,         dkirkby@uci.edu                 *
00008  *                                                                           *
00009  * Copyright (c) 2000-2005, Regents of the University of California          *
00010  *                          and Stanford University. All rights reserved.    *
00011  *                                                                           *
00012  * Redistribution and use in source and binary forms,                        *
00013  * with or without modification, are permitted according to the terms        *
00014  * listed in LICENSE (http://roofit.sourceforge.net/license.txt)             *
00015  *****************************************************************************/
00016 
00017 //////////////////////////////////////////////////////////////////////////////
00018 // 
00019 // BEGIN_HTML
00020 // RooAbsRootFinder is the abstract interface for finding roots of real-valued
00021 // 1-dimensional function that implements the RooAbsFunc interface.
00022 // END_HTML
00023 //
00024 //
00025 
00026 #include "RooFit.h"
00027 
00028 #include "RooAbsRootFinder.h"
00029 #include "RooAbsRootFinder.h"
00030 #include "RooAbsFunc.h"
00031 #include "RooMsgService.h"
00032 #include "Riostream.h"
00033 
00034 ClassImp(RooAbsRootFinder)
00035 ;
00036 
00037 
00038 //_____________________________________________________________________________
00039 RooAbsRootFinder::RooAbsRootFinder(const RooAbsFunc& function) :
00040   _function(&function), _valid(function.isValid())
00041 {
00042   // Constructor take function binding as argument
00043   if(_function->getDimension() != 1) {
00044     oocoutE((TObject*)0,Eval) << "RooAbsRootFinder:: cannot find roots for function of dimension "
00045                               << _function->getDimension() << endl;
00046     _valid= kFALSE;
00047   }
00048 }