missing_masters.h

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// 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) 2006-2023 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//====================================================================
// Header file for multi-domain functions, including the class
// ElementWithExternalElement which stores pointers to external elements
 
// Temporary flag to enable full annotation of multi domain
// comms (but keep alive because it would be such a bloody pain to
// rewrite it if things ever go wrong again...)
//#define ANNOTATE_MULTI_DOMAIN_COMMUNICATION
 
// Include guards to prevent multiple inclusion of the header
#ifndef OOMPH_MISSING_MASTERS_HEADER
#define OOMPH_MISSING_MASTERS_HEADER
 
// Config header generated by autoconfig
#ifdef HAVE_CONFIG_H
#include <oomph-lib-config.h>
#endif
 
// Oomph-lib headers
#include "geom_objects.h"
#include "problem.h"
#include "shape.h"
 
#include "mesh.h"
#include "mesh_as_geometric_object.h"
#include "algebraic_elements.h"
#include "macro_element_node_update_element.h"
#include "Qelements.h"
#include "element_with_external_element.h"
 
 
namespace oomph
{
  //======================================================================
  // Namespace for global missing master constructing functions
  //======================================================================
  namespace Missing_masters_functions
  {
#ifdef ANNOTATE_MISSING_MASTERS_COMMUNICATION
 
    // Temporary vector of strings to enable full annotation of multi domain
    // comms (but keep alive because it would be such a bloody pain to
    // rewrite it if things ever go wrong again...)
    // This is left over from the multi-domain stuff and should work
    // in the same way, but it has not been tested.
    extern Vector<std::string> Flat_packed_unsigneds_string;
 
#endif
 
    /// Boolean to indicate whether to doc timings or not.
    extern bool Doc_timings;
 
    /// Boolean to indicate whether to document basic info (to screen)
    ///        during setup_multi_domain_interaction() routines
    extern bool Doc_stats;
 
    /// Boolean to indicate whether to document further info (to screen)
    ///        during setup_multi_domain_interaction() routines
    extern bool Doc_full_stats;
 
 
    // Functions for multi-domain method
 
#ifdef OOMPH_HAS_MPI
    // Helper functions for external haloed node identification
 
 
    /// Helper function to add external haloed nodes, inc. masters
    /// of external haloed nodes
    void add_external_haloed_node_to_storage(int& iproc,
                                             Node* nod_pt,
                                             Mesh* const& mesh_pt,
                                             int& n_cont_inter_values,
                                             Vector<unsigned>& send_unsigneds,
                                             Vector<double>& send_doubles);
 
 
    /// Recursively add any master nodes (and their master nodes etc)
    /// of external haloed nodes
    void recursively_add_masters_of_external_haloed_node(
      int& iproc,
      Node* nod_pt,
      Mesh* const& mesh_pt,
      int& n_cont_inter_values,
      Vector<unsigned>& send_unsigneds,
      Vector<double>& send_doubles);
 
 
    /// Helper function to add external haloed node that is not a master
    void add_external_haloed_node_helper(int& iproc,
                                         Node* nod_pt,
                                         Mesh* const& mesh_pt,
                                         int& n_cont_inter_values,
                                         Vector<unsigned>& send_unsigneds,
                                         Vector<double>& send_doubles);
 
    /// Helper function to add external haloed node that is a master
    void add_external_haloed_master_node_helper(
      int& iproc,
      Node* master_nod_pt,
      Mesh* const& mesh_pt,
      int& n_cont_inter_values,
      Vector<unsigned>& send_unsigneds,
      Vector<double>& send_doubles);
 
    /// Helper function to get the required nodal information from an
    /// external haloed node so that a fully-functional external halo
    /// node (and therefore element) can be created on the receiving process
    void get_required_nodal_information_helper(int& iproc,
                                               Node* nod_pt,
                                               Mesh* const& mesh_pt,
                                               int& n_cont_inter_values,
                                               Vector<unsigned>& send_unsigneds,
                                               Vector<double>& send_doubles);
 
    /// Helper function to get the required master nodal information from
    /// an external haloed master node so that a fully-functional external halo
    /// master node (and possible element) can be created on the receiving proc
    void get_required_master_nodal_information_helper(
      int& iproc,
      Node* master_nod_pt,
      Mesh* const& mesh_pt,
      int& n_cont_inter_values,
      Vector<unsigned>& send_unsigneds,
      Vector<double>& send_doubles);
 
    // Helper functions for external halo node identification
 
    /// Helper function to add external halo nodes, including any
    /// masters, based on information received from the haloed process
    template<class EXT_ELEMENT>
    void add_external_halo_node_to_storage(Node*& new_nod_pt,
                                           Mesh* const& mesh_pt,
                                           unsigned& loc_p,
                                           unsigned& node_index,
                                           FiniteElement* const& new_el_pt,
                                           int& n_cont_inter_values,
                                           unsigned& counter_for_recv_unsigneds,
                                           Vector<unsigned>& recv_unsigneds,
                                           unsigned& counter_for_recv_doubles,
                                           Vector<double>& recv_doubles);
 
    /// Recursively add masters of external halo nodes (and their
    /// masters, etc) based on information received from the haloed process
    template<class EXT_ELEMENT>
    void recursively_add_masters_of_external_halo_node_to_storage(
      Node*& new_nod_pt,
      Mesh* const& mesh_pt,
      unsigned& loc_p,
      unsigned& node_index,
      int& n_cont_inter_values,
      unsigned& counter_for_recv_unsigneds,
      Vector<unsigned>& recv_unsigneds,
      unsigned& counter_for_recv_doubles,
      Vector<double>& recv_doubles);
 
 
    /// Helper function to add external halo node that is not a master
    void add_external_halo_node_helper(Node*& new_nod_pt,
                                       Mesh* const& mesh_pt,
                                       unsigned& loc_p,
                                       unsigned& node_index,
                                       FiniteElement* const& new_el_pt,
                                       int& n_cont_inter_values,
                                       unsigned& counter_for_recv_unsigneds,
                                       Vector<unsigned>& recv_unsigneds,
                                       unsigned& counter_for_recv_doubles,
                                       Vector<double>& recv_doubles);
 
    /// Helper function to add external halo node that is a master
    template<class EXT_ELEMENT>
    void add_external_halo_master_node_helper(
      Node*& new_master_nod_pt,
      Node*& new_nod_pt,
      Mesh* const& mesh_pt,
      unsigned& loc_p,
      int& n_cont_inter_values,
      unsigned& counter_for_recv_unsigneds,
      Vector<unsigned>& recv_unsigneds,
      unsigned& counter_for_recv_doubles,
      Vector<double>& recv_doubles);
 
 
    /// Helper function which constructs a new external halo node
    /// (on an element) with the information sent from the haloed process
    void construct_new_external_halo_node_helper(
      Node*& new_nod_pt,
      unsigned& loc_p,
      unsigned& node_index,
      FiniteElement* const& new_el_pt,
      Mesh* const& mesh_pt,
      unsigned& counter_for_recv_unsigneds,
      Vector<unsigned>& recv_unsigneds,
      unsigned& counter_for_recv_doubles,
      Vector<double>& recv_doubles);
 
    /// Helper function which constructs a new external halo master node
    /// with the information sent from the haloed process
    template<class EXT_ELEMENT>
    void construct_new_external_halo_master_node_helper(
      Node*& new_master_nod_pt,
      Node*& nod_pt,
      unsigned& loc_p,
      Mesh* const& mesh_pt,
      unsigned& counter_for_recv_unsigneds,
      Vector<unsigned>& recv_unsigneds,
      unsigned& counter_for_recv_doubles,
      Vector<double>& recv_doubles);
 
#endif
 
  } // namespace Missing_masters_functions
 
 
} // namespace oomph
 
#endif