SubDomain.h

// Copyright (C) 2007-2013 Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added:  2007-04-10
// Last changed: 2013-04-12
 
#ifndef __SUB_DOMAIN_H
#define __SUB_DOMAIN_H
 
#include <cstddef>
#include <map>
#include <dolfin/common/constants.h>
#include <Eigen/Dense>
 
namespace dolfin
{
 
  // Forward declarations
  class Mesh;
  template <typename T> class MeshFunction;
  template <typename T> class MeshValueCollection;
  template <typename T> class Array;
 
 
  class SubDomain
  {
  public:
 
    SubDomain(const double map_tol=1.0e-10);
 
    virtual ~SubDomain();
 
    virtual bool inside(const Array<double>& x, bool on_boundary) const;
 
    virtual bool inside(Eigen::Ref<const Eigen::VectorXd> x, bool on_boundary) const;
 
    virtual void map(const Array<double>& x, Array<double>& y) const;
 
 
    virtual void map(Eigen::Ref<const Eigen::VectorXd> x, Eigen::Ref<Eigen::VectorXd> y) const;
 
    
    virtual void snap(Array<double>& x) const;
 
    virtual void snap(Eigen::Ref<Eigen::VectorXd> x) const;
    
    //--- Marking of Mesh ---