include/root/RooFracRemainder.h

0001 /*****************************************************************************
0002  * Project: RooFit                                                           *
0003  * Package: RooFitCore                                                       *
0004  *    File: $Id$
0005  * Authors:                                                                  *
0006  *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu       *
0007  *   DK, David Kirkby,    UC Irvine,         dkirkby@uci.edu                 *
0008  *                                                                           *
0009  * Copyright (c) 2000-2005, Regents of the University of California          *
0010  *                          and Stanford University. All rights reserved.    *
0011  *                                                                           *
0012  * Redistribution and use in source and binary forms,                        *
0013  * with or without modification, are permitted according to the terms        *
0014  * listed in LICENSE (http://roofit.sourceforge.net/license.txt)             *
0015  *****************************************************************************/
0016 #ifndef ROO_FRAC_REMAINDER
0017 #define ROO_FRAC_REMAINDER
0018
0019 #include "RooAbsReal.h"
0020 #include "RooListProxy.h"
0021
0022 class RooRealVar;
0023 class RooArgList ;
0024
0025 class RooFracRemainder : public RooAbsReal {
0026 public:
0027
0028   /// Default constructor.
0029   RooFracRemainder() {}
0030   RooFracRemainder(const char *name, const char *title, const RooArgSet& sumSet) ;
0031
0032   RooFracRemainder(const RooFracRemainder& other, const char* name = nullptr);
0033   TObject* clone(const char* newname) const override { return new RooFracRemainder(*this, newname); }
0034
0035 protected:
0036
0037   RooListProxy _set1 ;            ///< Set of input fractions
0038
0039   double evaluate() const override;
0040
0041   ClassDefOverride(RooFracRemainder,1) // Utility function calculating remainder fraction, i.e. 1-sum_i(a_i)
0042 };
0043
0044 #endif