/usr/include/root/RooStats/SequentialProposal.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | // @(#)root/roostats:$Id: SequentialProposal.h 39455 2011-05-27 13:12:20Z moneta $
// Authors: Giovanni Petrucciani 4/21/2011
/*************************************************************************
* Copyright (C) 1995-2008, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef RooStats_SequentialProposal
#define RooStats_SequentialProposal
#ifndef ROOT_Rtypes
#include "Rtypes.h"
#endif
#ifndef ROOSTATS_ProposalFunction
#include "RooStats/ProposalFunction.h"
#endif
#ifndef ROO_ARG_SET
#include "RooArgSet.h"
#endif
namespace RooStats {
class SequentialProposal : public ProposalFunction {
public:
SequentialProposal() : RooStats::ProposalFunction(), fDivisor(0) {}
SequentialProposal(double divisor) ;
// Populate xPrime with a new proposed point
virtual void Propose(RooArgSet& xPrime, RooArgSet& x);
// Determine whether or not the proposal density is symmetric for
// points x1 and x2 - that is, whether the probabilty of reaching x2
// from x1 is equal to the probability of reaching x1 from x2
virtual Bool_t IsSymmetric(RooArgSet& x1, RooArgSet& x2) ;
// Return the probability of proposing the point x1 given the starting
// point x2
virtual Double_t GetProposalDensity(RooArgSet& x1, RooArgSet& x2);
virtual ~SequentialProposal() {}
ClassDef(SequentialProposal,1) // A concrete implementation of ProposalFunction, that uniformly samples the parameter space.
private:
double fDivisor;
};
}
#endif
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