IndependenceProposal.h

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#ifndef INDEPENDENCEPROPOSAL_H_
#define INDEPENDENCEPROPOSAL_H_
 
#include "MUQ/Modeling/Distributions/Distribution.h"
 
#include "MUQ/SamplingAlgorithms/MCMCProposal.h"
 
namespace muq {
  namespace SamplingAlgorithms {
 
    class IndependenceProposal : public MCMCProposal {
    public:
 
      IndependenceProposal(boost::property_tree::ptree              const& pt,
                           std::shared_ptr<AbstractSamplingProblem> const& prob);
 
      IndependenceProposal(boost::property_tree::ptree              const& pt,
                           std::shared_ptr<AbstractSamplingProblem> const& prob,
                           std::shared_ptr<muq::Modeling::Distribution>    proposalIn);
 
      virtual ~IndependenceProposal() = default;
 
    protected:
 
      std::shared_ptr<muq::Modeling::Distribution> proposal;
 
      virtual std::shared_ptr<SamplingState> Sample(std::shared_ptr<SamplingState> const& currentState) override;
 
      virtual double LogDensity(std::shared_ptr<SamplingState> const& currState,
                                std::shared_ptr<SamplingState> const& propState) override;
 
      static std::shared_ptr<muq::Modeling::Distribution> ExtractDistribution(boost::property_tree::ptree const& opts,
                                                                              std::shared_ptr<AbstractSamplingProblem> const& prob);
 
 
    };
 
  } // namespace SamplingAlgoirthms
} // namespace muq
 
#endif