FunctionBase.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 QUESO_FUNCTION_BASE_H
#define QUESO_FUNCTION_BASE_H

#include <string>

#include <queso/SharedPtr.h>

namespace QUESO {

class FunctionOperatorBuilder;

class FunctionBase {
public:

  FunctionBase();

  virtual ~FunctionBase();

  virtual void add(double scale, const FunctionBase & rhs) = 0;

  virtual void pointwise_mult(const FunctionBase & f1,
      const FunctionBase & f2) = 0;

  virtual void scale(double scale) = 0;

  virtual void zero() = 0;

  virtual double L2_norm() const = 0;


  virtual typename SharedPtr<FunctionBase>::Type zero_clone() const = 0;

  virtual void save_function(const std::string & filename, double time) const = 0;
};

}  // End namespace QUESO

#endif // QUESO_FUNCTION_BASE_H