ObsBiasOperator.h

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/*
 * (C) Copyright 2021 UCAR
 * 
 * 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. 
 */
 
#ifndef UFO_OBSBIASOPERATOR_H_
#define UFO_OBSBIASOPERATOR_H_
 
#include "oops/util/Printable.h"
 
// forward declarations
 
namespace ioda {
  class ObsSpace;
  class ObsVector;
}
 
namespace ufo {
  class GeoVaLs;
  class ObsBias;
  class ObsDiagnostics;
 
/// \brief Application of bias correction.
/// \details Bias correction is computed as a linear combination of bias
/// predictors using bias correction coefficients, both specified in ObsBias class.
class ObsBiasOperator : public util::Printable {
 public:
  explicit ObsBiasOperator(ioda::ObsSpace &);
 
  /// Compute bias correction
  void computeObsBias(const GeoVaLs &, ioda::ObsVector &, const ObsBias &, ObsDiagnostics &) const;
 
 private:
  /// Print details (used for logging)
  void print(std::ostream &) const override;
 
  /// ObsSpace used for computing predictors
  ioda::ObsSpace & odb_;
};
 
// -----------------------------------------------------------------------------
 
}  // namespace ufo
 
#endif  // UFO_OBSBIASOPERATOR_H_