/usr/include/root/RooConstVar.h is in libroot-roofit-dev 5.34.00-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Project: RooFit *
* Package: RooFitCore *
* File: $Id: RooConstVar.h,v 1.9 2007/05/11 09:11:30 verkerke Exp $
* Authors: *
* WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
* DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
* *
* Copyright (c) 2000-2005, Regents of the University of California *
* and Stanford University. All rights reserved. *
* *
* Redistribution and use in source and binary forms, *
* with or without modification, are permitted according to the terms *
* listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
*****************************************************************************/
#ifndef ROO_CONST_VAR
#define ROO_CONST_VAR
#include "RooAbsReal.h"
#include "RooArgList.h"
#include "RooListProxy.h"
class RooArgSet ;
class RooConstVar : public RooAbsReal {
public:
// Constructors, assignment etc
inline RooConstVar() {
// Default constructor
}
RooConstVar(const char *name, const char *title, Double_t value);
RooConstVar(const RooConstVar& other, const char* name=0);
virtual TObject* clone(const char* newname) const { return new RooConstVar(*this,newname); }
virtual ~RooConstVar();
virtual Double_t getValV(const RooArgSet* set=0) const ;
void writeToStream(ostream& os, Bool_t compact) const ;
virtual Bool_t isDerived() const {
// Does value or shape of this arg depend on any other arg?
return kFALSE ;
}
protected:
virtual Double_t evaluate() const {
// Return value
return _value ;
} ;
Double_t _value ; // Constant value of self
ClassDef(RooConstVar,1) // Constant RooAbsReal value object
};
#endif
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