l95/src/lorenz95/ModelBiasCovariance.h

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/*
 * (C) Copyright 2009-2016 ECMWF.
 * 
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 * In applying this licence, ECMWF does not waive the privileges and immunities 
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */
 
#ifndef LORENZ95_MODELBIASCOVARIANCE_H_
#define LORENZ95_MODELBIASCOVARIANCE_H_
 
#include <ostream>
#include <string>
#include <boost/noncopyable.hpp>
 
#include "eckit/config/LocalConfiguration.h"
#include "oops/util/ObjectCounter.h"
#include "oops/util/Printable.h"
 
namespace lorenz95 {
  class ModelBias;
  class ModelBiasCorrection;
  class Resolution;
 
// -----------------------------------------------------------------------------
 
class ModelBiasCovariance : public util::Printable,
                            private boost::noncopyable,
                            private util::ObjectCounter<ModelBiasCovariance> {
 public:
  static const std::string classname() {return "lorenz95::ModelBiasCovariance";}
 
/// Constructor, destructor
  ModelBiasCovariance(const eckit::Configuration &, const Resolution &);
  ~ModelBiasCovariance() {}
 
/// Linear algebra operators
  void linearize(const ModelBias &, const Resolution &) {}
  void multiply(const ModelBiasCorrection &, ModelBiasCorrection &) const;
  void inverseMultiply(const ModelBiasCorrection &, ModelBiasCorrection &) const;
  void randomize(ModelBiasCorrection &) const;
 
  const eckit::Configuration & config() const {return conf_;}
 
 private:
  void print(std::ostream &) const;
  const eckit::LocalConfiguration conf_;
  double variance_;
  bool active_;
};
 
// -----------------------------------------------------------------------------
 
}  // namespace lorenz95
 
#endif  // LORENZ95_MODELBIASCOVARIANCE_H_