data_import_impl.h

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/*
 * Copyright (c) 2011-2015:  G-CSC, Goethe University Frankfurt
 * Author: Andreas Vogel
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * This program 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.
 */
 
#ifndef __H__UG__LIB_DISC__SPATIAL_DISC__DATA_IMPORT_IMPL__
#define __H__UG__LIB_DISC__SPATIAL_DISC__DATA_IMPORT_IMPL__
 
#include "data_import.h"
 
namespace ug{
 
// DataImport
 
template <typename TData, int dim>
DataImport<TData,dim>::~DataImport()
{
  if(data_given()) m_spUserData->unregister_storage_callback(this);
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::set_roid(ReferenceObjectID id)
{
  if(id == ROID_UNKNOWN)
    UG_THROW("DataImport::set_roid: Setting unknown ReferenceObjectId.");
 
  m_id = id;
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::check_setup()
{
//  if lin defect is not supposed to be computed, we're done
  if(!this->m_bCompLinDefect) return;
 
  if(m_id == ROID_UNKNOWN)
    UG_THROW("DataImport::check_setup: The reference element "
        "type has not been set for evaluation.");
 
//  Check for evaluation function and choose it if present
  if(m_vLinDefectFunc[m_id] != NULL)
    return;
 
//  fails
  UG_THROW("DataImport::check_setup: No evaluation function for computation of "
      "linearized defect registered for "<<m_id<<", but required. "
      "(world dim: "<<dim<<", part: "<<this->part()<<")");
}
 
template <typename TData, int dim>
template <typename TClass>
void
DataImport<TData,dim>::
set_fct(ReferenceObjectID id, TClass* obj,
        void (TClass::*func)(const LocalVector& u,
                   std::vector<std::vector<TData> > vvvLinDefect[],
                   const size_t nip))
{
  if(id >= NUM_REFERENCE_OBJECTS)
    UG_THROW("Reference Object id invalid: "<<id);
 
  m_vLinDefectFunc[id] = std::bind(func, obj,
     std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
}
 
template <typename TData, int dim>
void
DataImport<TData,dim>::
set_fct(ReferenceObjectID id,
             void (*func)(const LocalVector& u,
                    std::vector<std::vector<TData> > vvvLinDefect[],
                    const size_t nip))
{
  if(id >= NUM_REFERENCE_OBJECTS)
    UG_THROW("Reference Object id invalid: "<<id);
 
  m_vLinDefectFunc[id] = func;
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::clear_fct()
{
  for(size_t i = 0; i < NUM_REFERENCE_OBJECTS; ++i)
    m_vLinDefectFunc[i] = NULL;
}
 
 
template <typename TData, int dim>
void DataImport<TData,dim>::set_data(SmartPtr<CplUserData<TData, dim> > spData)
{
//  remember UserData
  m_spUserData = spData;
 
//  remember iexport
  this->m_spICplUserData = spData;
 
//  remember dependent data (i.e. is NULL iff no dependent data given)
  m_spDependentUserData = m_spUserData.template cast_dynamic<DependentUserData<TData, dim> >();
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::cache_data_access()
{
  //  cache the pointer to the data field.
    m_vValue = m_spUserData->values(m_seriesID);
 
  //  in addition we cache the number of ips
    m_numIP = m_spUserData->num_ip(m_seriesID);
}
 
template <typename TData, int dim>
template <int ldim>
void DataImport<TData,dim>::set_local_ips(const MathVector<ldim>* vPos, size_t numIP, int timePointSpec,
                                          bool bMayChange)
{
//  if no data set, skip
  if(!data_given()) return;
 
//  request series if first time requested
  if(m_seriesID == -1)
  {
    m_seriesID = m_spUserData->template
          register_local_ip_series<ldim>(vPos,numIP,timePointSpec,bMayChange);
 
  //  register callback, invoked when data field is changed
    m_spUserData->register_storage_callback(this, &DataImport<TData,dim>::cache_data_access);
 
  //  cache access to the data
    cache_data_access();
 
  //  resize also lin defect array
    resize_defect_array();
 
  //  check that num ip is correct
    UG_ASSERT(m_numIP == numIP, "Different number of ips than requested.");
  }
  else
  {
    if(!bMayChange)
      UG_THROW("DataImport: Setting different local ips to non-changable ip series.");
 
  //  set new local ips
    m_spUserData->template set_local_ips<ldim>(m_seriesID,vPos,numIP);
    m_spUserData->set_time_point(m_seriesID,timePointSpec);
 
    if(numIP != m_numIP)
    {
    //  cache access to the data
      cache_data_access();
 
    //  resize also lin defect array
      resize_defect_array();
    }
 
  //  check that num ip is correct
    UG_ASSERT(m_numIP == numIP, "Different number of ips than requested.");
  }
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::set_local_ips(const MathVector<dim>* vPos, size_t numIP, int timePointSpec,
                                          bool bMayChange)
{
  set_local_ips<dim>(vPos, numIP, timePointSpec, bMayChange);
}
 
template <typename TData, int dim>
template <int ldim>
void DataImport<TData,dim>::set_local_ips(const MathVector<ldim>* vPos, size_t numIP,
                                          bool bMayChange)
{
  set_local_ips<ldim>(vPos, numIP, -1, bMayChange);
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::set_local_ips(const MathVector<dim>* vPos, size_t numIP,
                                          bool bMayChange)
{
  set_local_ips<dim>(vPos, numIP, -1, bMayChange);
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::set_time_point(int timePointSpec)
{
  m_spUserData->set_time_point(m_seriesID,timePointSpec);
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::set_global_ips(const MathVector<dim>* vPos, size_t numIP)
{
//  if no data set, skip
  if(!data_given()) return;
 
//  set global ips for series ID
  UG_ASSERT(m_seriesID >= 0, "Wrong series id.");
  m_spUserData->set_global_ips(m_seriesID,vPos,numIP);
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::clear_ips()
{
  if(data_given()) m_spUserData->unregister_storage_callback(this);
  m_seriesID = -1;
  m_vValue = 0;
  m_numIP = 0;
  m_vvvLinDefect.resize(num_ip());
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::add_jacobian(LocalMatrix& J, const number scale)
{
  UG_ASSERT(m_spDependentUserData.valid(), "No Export set.");
 
  if (! m_spUserData->at_current_time (m_seriesID))
    return;
  
//  access jacobian by maps
  J.access_by_map(this->map(), this->conn_map());
 
//  loop integration points
  for(size_t ip = 0; ip < num_ip(); ++ip)
  {
  //  loop all functions
    for(size_t fct1 = 0; fct1 < this->num_fct(); ++fct1)
      for(size_t fct2 = 0; fct2 < m_spDependentUserData->num_fct(); ++fct2)
      {
      //  get array of linearized defect and derivative
        const TData* LinDef = lin_defect(ip, fct1);
        const TData* Deriv = m_spDependentUserData->deriv(m_seriesID, ip, fct2);
 
      //  loop shapes of functions
        for(size_t sh1 = 0; sh1 < num_sh(fct1); ++sh1)
          for(size_t sh2 = 0; sh2 < m_spDependentUserData->num_sh(fct2); ++sh2)
          {
            J(fct1, sh1, fct2, sh2) += scale*(LinDef[sh1]*Deriv[sh2]);
          }
      }
  }
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::update_dof_sizes(const LocalIndices& ind)
{
//  check size
  const FunctionIndexMapping& map = this->map();
  UG_ASSERT(map.num_fct() == this->num_fct(), "Number function mismatch.");
 
//  cache numFct and their numDoFs
  m_vvNumDoFPerFct.resize(map.num_fct());
  for(size_t fct = 0; fct < m_vvNumDoFPerFct.size(); ++fct)
    m_vvNumDoFPerFct[fct] = ind.num_dof(map[fct]);
 
  m_vvvLinDefect.clear();
  resize_defect_array();
}
 
template <typename TData, int dim>
void DataImport<TData,dim>::resize_defect_array()
{
//  get old size
//  NOTE: for all ips up to oldSize the arrays are already resized
  const size_t oldSize = m_vvvLinDefect.size();
 
//  resize ips
  m_vvvLinDefect.resize(num_ip());
 
//  resize num fct
  for(size_t ip = oldSize; ip < num_ip(); ++ip)
  {
  //  resize num fct
    m_vvvLinDefect[ip].resize(m_vvNumDoFPerFct.size());
 
  //  resize dofs
    for(size_t fct = 0; fct < m_vvNumDoFPerFct.size(); ++fct)
      m_vvvLinDefect[ip][fct].resize(m_vvNumDoFPerFct[fct]);
  }
}
 
template <typename TData, int dim>
inline void DataImport<TData,dim>::check_ip_fct(size_t ip, size_t fct) const
{
  check_ip(ip);
  UG_ASSERT(ip  < m_vvvLinDefect.size(), "Invalid index.");
  UG_ASSERT(fct < m_vvvLinDefect[ip].size(), "Invalid index.");
}
 
template <typename TData, int dim>
inline void DataImport<TData,dim>::check_ip_fct_sh(size_t ip, size_t fct, size_t sh) const
{
  check_ip_fct(ip, fct);
  UG_ASSERT(sh < m_vvvLinDefect[ip][fct].size(), "Invalid index.");
}
 
template <typename TData, int dim>
inline void DataImport<TData,dim>::check_ip(size_t ip) const
{
  UG_ASSERT(ip < m_numIP, "Invalid index.");
}
 
template <typename TData, int dim>
inline void DataImport<TData,dim>::check_values() const
{
  UG_ASSERT(m_vValue != NULL, "Data Value field not set.");
}
 
} // end namespace ug
 
#endif /* __H__UG__LIB_DISC__SPATIAL_DISC__DATA_IMPORT_IMPL__ */