/usr/include/root/RooIntegratorBinding.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: RooIntegratorBinding.h,v 1.4 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_INTEGRATOR_BINDING
#define ROO_INTEGRATOR_BINDING
#include "RooAbsFunc.h"
#include "RooAbsIntegrator.h"
class RooIntegratorBinding : public RooAbsFunc {
public:
RooIntegratorBinding(RooAbsIntegrator& integrator) :
RooAbsFunc(integrator.integrand()->getDimension()-1), _integrator(&integrator) {} ;
virtual ~RooIntegratorBinding() {} ;
inline virtual Double_t operator()(const Double_t xvector[]) const { _ncall++ ; return _integrator->integral(xvector) ; }
inline virtual Double_t getMinLimit(UInt_t index) const { return _integrator->integrand()->getMinLimit(index+1); }
inline virtual Double_t getMaxLimit(UInt_t index) const { return _integrator->integrand()->getMaxLimit(index+1); }
protected:
RooAbsIntegrator* _integrator ; // Numeric integrator
ClassDef(RooIntegratorBinding,0) // Function binding representing output of numeric integrator
};
#endif
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