ScalarCovarianceFunction.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_SCALAR_COVARIANCE_FUNCTION_H
#define UQ_SCALAR_COVARIANCE_FUNCTION_H

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

namespace QUESO {

class GslVector;
class GslMatrix;

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


  BaseScalarCovarianceFunction(const char*                  prefix,
                                      const VectorSet<V,M>& basicDomainSet);

  virtual ~BaseScalarCovarianceFunction();


  const VectorSet<V,M>& basicDomainSet   ()       const;

  virtual       double                 value    (const V& domainVector1, const V& domainVector2) const = 0;

protected:
  const BaseEnvironment& m_env;
        std::string             m_prefix;
  const VectorSet<V,M>&  m_basicDomainSet;
};

}  // End namespace QUESO

#endif // UQ_SCALAR_COVARIANCE_FUNCTION_H