StateTransformation.hpp

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#ifndef HOPS_STATETRANSFORMATION_HPP
#define HOPS_STATETRANSFORMATION_HPP
 
namespace hops {
    template<typename MarkovChainImpl, typename Transformation>
    class StateTransformation : public MarkovChainImpl {
    public:
        explicit StateTransformation(const MarkovChainImpl &markovChainImpl, Transformation transformation) :
                MarkovChainImpl(markovChainImpl),
                transformation(transformation) {}
 
        typename MarkovChainImpl::StateType getState() {
            return transformation.apply(MarkovChainImpl::getState());
        }
 
        typename MarkovChainImpl::StateType getProposal() {
            return transformation.apply(MarkovChainImpl::getProposal());
        }
 
        void setState(const typename MarkovChainImpl::StateType &state) {
            MarkovChainImpl::setState(transformation.applyInverse(state));
        }
 
    private:
        Transformation transformation;
    };
}
 
#endif //HOPS_STATETRANSFORMATION_HPP