Null.cc

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/* Copyright (C) 2015, 2016, 2017, 2018, 2023 PISM Authors
 *
 * This file is part of PISM.
 *
 * PISM is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 3 of the License, or (at your option) any later
 * version.
 *
 * PISM 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 General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with PISM; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
#include "pism/earth/BedDef.hh"
#include "pism/util/Grid.hh"
#include "pism/util/MaxTimestep.hh"
 
namespace pism {
namespace bed {
 
Null::Null(std::shared_ptr<const Grid> g)
  : BedDef(g) {
  // empty
}
 
void Null::init_impl(const InputOptions &opts, const array::Scalar &ice_thickness,
                     const array::Scalar &sea_level_elevation) {
  m_log->message(2,
             "* Initializing the dummy (no-op) bed deformation model...\n");
 
  BedDef::init_impl(opts, ice_thickness, sea_level_elevation);
 
  m_uplift.set(0.0);
}
 
MaxTimestep Null::max_timestep_impl(double t) const {
  (void) t;
  return MaxTimestep("bed_def none");
}
 
void Null::update_impl(const array::Scalar &ice_thickness,
                       const array::Scalar &sea_level_elevation,
                       double t, double dt) {
  (void) ice_thickness;
  (void) sea_level_elevation;
  (void) t;
  (void) dt;
  // This model does not update bed topography or bed uplift.
}
 
} // end of namespace bed
} // end of namespace pism