hijacked_elements.cc

Go to the documentation of this file.

// LIC// ====================================================================
// LIC// This file forms part of oomph-lib, the object-oriented,
// LIC// multi-physics finite-element library, available
// LIC// at http://www.oomph-lib.org.
// LIC//
// LIC// Copyright (C) 2006-2025 Matthias Heil and Andrew Hazel
// LIC//
// LIC// This library is free software; you can redistribute it and/or
// LIC// modify it under the terms of the GNU Lesser General Public
// LIC// License as published by the Free Software Foundation; either
// LIC// version 2.1 of the License, or (at your option) any later version.
// LIC//
// LIC// This library is distributed in the hope that it will be useful,
// LIC// but WITHOUT ANY WARRANTY; without even the implied warranty of
// LIC// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// LIC// Lesser General Public License for more details.
// LIC//
// LIC// You should have received a copy of the GNU Lesser General Public
// LIC// License along with this library; if not, write to the Free Software
// LIC// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// LIC// 02110-1301  USA.
// LIC//
// LIC// The authors may be contacted at oomph-lib@maths.man.ac.uk.
// LIC//
// LIC//====================================================================
// Non inline functions for Hijacked elements
#include "hijacked_elements.h"
 
namespace oomph
{
  //======================================================================
  /// Static default value of the multiplier for the original residuals
  /// The contribution to the total residuals is the product of the
  /// multiplier and the original value of the residuals
  //======================================================================
  double HijackedElementBase::Default_residual_multiplier = 0.0;
 
  //====================================================================
  /// Destructor that cleans up any memory allocated by the class
  //===================================================================
  HijackedElementBase::~HijackedElementBase()
  {
    // If the hijacked equation number storage has been alloacted
    // clear it
    if (Hijacked_global_eqn_number_pt != 0)
    {
      delete Hijacked_global_eqn_number_pt;
    }
 
    // If the hijacked equation number storage has been alloacted
    // clear it
    if (Hijacked_local_eqn_number_pt != 0)
    {
      delete Hijacked_local_eqn_number_pt;
    }
  }
 
  //======================================================================
  /// Mark the global equation, addressed by global_eqn_pt,
  /// as hijacked by this element.
  //======================================================================
  void HijackedElementBase::hijack_global_eqn(long* const& global_eqn_pt)
  {
    // If the storage has not been allocated, allocate it
    if (Hijacked_global_eqn_number_pt == 0)
    {
      Hijacked_global_eqn_number_pt = new std::set<long*>;
    }
 
    // Now insert the value, note that this prevents multiple inclusions,
    // which is neater, but possibly inefficient.
    Hijacked_global_eqn_number_pt->insert(global_eqn_pt);
  }
 
  //=====================================================================
  /// The global equation, addressed by global_eqn_pt,
  /// is no longer hijacked by this element.
  //====================================================================
  void HijackedElementBase::unhijack_global_eqn(long* const& global_eqn_pt)
  {
    // Check that the storage has been allocated
    if (Hijacked_global_eqn_number_pt != 0)
    {
      Hijacked_global_eqn_number_pt->erase(global_eqn_pt);
    }
  }
 
} // namespace oomph