TKGroup.h

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//-----------------------------------------------------------------------bl-
//--------------------------------------------------------------------------
//
// QUESO - a library to support the Quantification of Uncertainty
// for Estimation, Simulation and Optimization
//
// Copyright (C) 2008-2017 The PECOS Development Team
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the Version 2.1 GNU Lesser General
// Public License as published by the Free Software Foundation.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc. 51 Franklin Street, Fifth Floor,
// Boston, MA  02110-1301  USA
//
//-----------------------------------------------------------------------el-

#ifndef UQ_TRANSITION_KERNEL_GROUP_H
#define UQ_TRANSITION_KERNEL_GROUP_H

#include <queso/VectorRV.h>
#include <queso/GaussianVectorRV.h>
#include <queso/ScalarFunctionSynchronizer.h>

namespace QUESO {

class GslVector;
class GslMatrix;

template <class V = GslVector, class M = GslMatrix>
class BaseTKGroup {
public:

  BaseTKGroup();

  BaseTKGroup(const char*                    prefix,
                     const VectorSpace<V,M>& vectorSpace,
                     const std::vector<double>&     scales);
  virtual ~BaseTKGroup();


  virtual       bool                          symmetric                 () const = 0;

  virtual const BaseVectorRV<V,M>& rv                        (unsigned int                     stageId ) const = 0;

  virtual const BaseVectorRV<V,M>& rv                        (const std::vector<unsigned int>& stageIds) = 0;

  virtual const BaseVectorRV<V, M> & rv(const V & position) const = 0;


  const BaseEnvironment& env() const;

  const V&                                    preComputingPosition      (unsigned int stageId) const;

  virtual       bool                          setPreComputingPosition   (const V& position, unsigned int stageId);

  virtual       void                          clearPreComputingPositions();

  virtual unsigned int set_dr_stage(unsigned int stageId);


  virtual void updateTK() { };


  virtual bool covMatrixIsDirty() = 0;


  virtual void cleanCovMatrix() = 0;



  virtual       void                          print                     (std::ostream& os) const;
protected:
  const EmptyEnvironment*                m_emptyEnv;
  const BaseEnvironment&                 m_env;
        std::string                      m_prefix;
  const VectorSpace<V,M>*                m_vectorSpace;
        std::vector<double>              m_scales;
        std::vector<const V*>            m_preComputingPositions;
        std::vector<BaseVectorRV<V,M>* > m_rvs; // Gaussian, not Base... And nothing const...
  unsigned int m_stageId;
};

}  // End namespace QUESO

#endif // UQ_TRANSITION_KERNEL_GROUP_H