/*
 * interface_sinus.cpp
 *
 *  Created on: 31.03.2011
 *      Author: Julian Iseringhausen
 */

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

#include <cmath>
#include <iostream>

#include "grid/grid.hpp"
#include "grid/multigrid.hpp"

#include "interface_sinus.hpp"

using namespace VMG;
using VMGInterfaces::InterfaceSinus;

void InterfaceSinus::ImportRightHandSide(Multigrid& multigrid)
{
  Index i;
  Vector pos;

  Grid& grid = multigrid(multigrid.MaxLevel());
  grid.ClearBoundary();

  const Index begin_local = grid.Global().LocalBegin() - grid.Local().HaloSize1();

  for (i.X()=grid.Local().Begin().X(); i.X()<grid.Local().End().X(); ++i.X())
    for (i.Y()=grid.Local().Begin().Y(); i.Y()<grid.Local().End().Y(); ++i.Y())
      for (i.Z()=grid.Local().Begin().Z(); i.Z()<grid.Local().End().Z(); ++i.Z()) {
        pos = grid.Extent().MeshWidth() * static_cast<Vector>(begin_local + i);
	grid(i) = 3.0 * sine_factor * sine_factor * std::sin(sine_factor * pos.X()) * std::sin(sine_factor * pos.Y()) * std::sin(sine_factor * pos.Z());
      }
}

void InterfaceSinus::ExportSolution(Grid& grid)
{
}