Constant.cc

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/*
 * (C) Copyright 2020 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.
 */
 
#include <string>
 
#include "ufo/predictors/Constant.h"
 
#include "ioda/ObsSpace.h"
 
namespace ufo {
 
static PredictorMaker<Constant> makerFuncConstant_("constant");
 
// -----------------------------------------------------------------------------
 
Constant::Constant(const eckit::Configuration & conf, const std::vector<int> & jobs)
  : PredictorBase(conf, jobs) {
}
 
// -----------------------------------------------------------------------------
 
void Constant::compute(const ioda::ObsSpace & odb,
                       const GeoVaLs &,
                       const ObsDiagnostics &,
                       ioda::ObsVector & out) const {
  const std::size_t nlocs = odb.nlocs();
 
  // assure shape of out
  ASSERT(out.nlocs() == nlocs);
 
  const std::size_t njobs = jobs_.size();
  for (std::size_t jl = 0; jl < nlocs; ++jl) {
    for (std::size_t jb = 0; jb < njobs; ++jb) {
      out[jl*njobs+jb] = 1.0;
    }
  }
}
 
// -----------------------------------------------------------------------------
 
}  // namespace ufo