ExponentialMatrixCovarianceFunction.h

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//-----------------------------------------------------------------------bl-
//--------------------------------------------------------------------------
//
// QUESO - a library to support the Quantification of Uncertainty
// for Estimation, Simulation and Optimization
//
// Copyright (C) 2008-2015 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_EXP_MATRIX_COVARIANCE_FUNCTION_H
#define UQ_EXP_MATRIX_COVARIANCE_FUNCTION_H

#include <queso/MatrixCovarianceFunction.h>
#include <queso/VectorSet.h>
#include <queso/Environment.h>
#include <cmath>

namespace QUESO {

class GslVector;
class GslMatrix;

//*****************************************************
// Exponential class
//*****************************************************
template <class P_V = GslVector, class P_M = GslMatrix, class Q_V = GslVector, class Q_M = GslMatrix>
class ExponentialMatrixCovarianceFunction : public BaseMatrixCovarianceFunction<P_V,P_M,Q_V,Q_M> {
public:


  ExponentialMatrixCovarianceFunction(const char*                      prefix,
               const VectorSet<P_V,P_M>& basicDomainSet,
               const VectorSet<Q_V,Q_M>& imageSet,
               const Q_M&                       sigmas,
               const Q_M&                       as);

  virtual ~ExponentialMatrixCovarianceFunction();


  void covMatrix(const P_V& domainVector1, const P_V& domainVector2, Q_M& imageMatrix) const;

protected:
  using BaseMatrixCovarianceFunction<P_V,P_M,Q_V,Q_M>::m_env;
  using BaseMatrixCovarianceFunction<P_V,P_M,Q_V,Q_M>::m_prefix;
  using BaseMatrixCovarianceFunction<P_V,P_M,Q_V,Q_M>::m_basicDomainSet;
  using BaseMatrixCovarianceFunction<P_V,P_M,Q_V,Q_M>::m_imageSet;

  Q_M* m_sigmas;
  Q_M* m_as;
};

}  // End namespace QUESO

#endif // UQ_EXP_MATRIX_COVARIANCE_FUNCTION_H