/**
 * @file   com_set_coarser_dirichlet_values.cpp
 * @author Julian Iseringhausen <isering@ins.uni-bonn.de>
 * @date   Mon Apr 18 12:50:00 2011
 *
 * @brief  Used for FAS-like multigrid algorithms, to set
 *         all Dirichlet boundary values on all the coarse
 *         levels in advance.
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "base/command.hpp"
#include "grid/grid.hpp"
#include "grid/multigrid.hpp"
#include "mg.hpp"

using namespace VMG;

class VMGCommandSetCoarserDirichletValues : public Command
{
public:
  Request Run(Command::argument_vector arguments)
  {
    Multigrid& rhs = *MG::GetRhs();
    Multigrid& sol = *MG::GetSol();

    rhs.SetCoarserDirichletValues();

    for (int i=rhs.MinLevel(); i<=rhs.GlobalMaxLevel(); ++i)
      sol(i).SetBoundary(rhs(i));

    return Continue;
  }

  static const char* Name() {return "SetCoarserDirichletValues";}
  static int Arguments() {return 0;}
};

CREATE_INITIALIZER(VMGCommandSetCoarserDirichletValues);