Multigrille_Adrien.cpp

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#include <Param.h>
#include <Parser.h>
#include <TRUSTArray.h>
#include <Multigrille_Adrien.h>
#include <communications.h>
#include <Domaine.h>
#include <Schema_Comm.h>
#include <IJK_VDF_converter.h>
#include <Interprete_bloc.h>
#include <Perf_counters.h>
#include <SSE_kernels.h>
using namespace SSE_Kernels;
 
Implemente_instanciable_sans_constructeur(Multigrille_Adrien, "Solv_Multigrille_Adrien", Multigrille_base);
 
Sortie& Multigrille_Adrien::printOn(Sortie& os) const
{
  return os;
}
 
Multigrille_Adrien::Multigrille_Adrien()
{
  ghost_size_ = 1;
}
 
void Multigrille_Adrien::ajouter_param(Param& param)
{
  param.ajouter("ghost_size", &ghost_size_);
  param.ajouter("coarsen_operators", &coarsen_operators_);
 
  Multigrille_base::ajouter_param(param);
}
 
Entree& Multigrille_Adrien::readOn(Entree& is)
{
  Nom ijkdis_name;
  Param param(que_suis_je());
  ajouter_param(param);
  param.ajouter("ijkdis_name", &ijkdis_name);
  param.lire_avec_accolades(is);
 
  if (ijkdis_name != Nom())
    {
      const IJK_VDF_converter& ijkdis = ref_cast(IJK_VDF_converter, Interprete_bloc::objet_global(ijkdis_name));
      const Domaine_IJK& split = ijkdis.get_domaine();
 
      initialize(split);
    }
  return is;
}
 
int Multigrille_Adrien::completer(const Equation_base& eq)
{
  // fait dans readOn si on a lu ijkdis_name
  // fetch the vdf_to_ijk translator (assume there is one unique object, with conventional name)
  const Nom& ijkdis_name = IJK_VDF_converter::get_conventional_name();
  const IJK_VDF_converter& ijkdis = ref_cast(IJK_VDF_converter, Interprete_bloc::objet_global(ijkdis_name));
  const Domaine_IJK& split = ijkdis.get_domaine();
 
  initialize(split);
 
  return 1;
}
 
void Multigrille_Adrien::initialize(const Domaine_IJK& split)
{
  if (solver_precision_ == precision_double_)
    completer_template<double, ArrOfDouble>(split);
  else if (solver_precision_ == precision_float_)
    completer_template<float, ArrOfFloat>(split);
  else if (solver_precision_ == precision_mix_)
    {
      completer_template<float, ArrOfFloat>(split);
      completer_double_for_residue(split);
    }
 
  IJK_Field_float rho;
  if (IJK_Shear_Periodic_helpler::defilement_==1)
    {
      rho.allocate(split, Domaine_IJK::ELEM, 0, 0 ,1, "RHO", false, 2, IJK_Shear_Periodic_helpler::rho_vap_ref_for_poisson_, IJK_Shear_Periodic_helpler::rho_liq_ref_for_poisson_);
    }
  else
    {
      rho.allocate(split, Domaine_IJK::ELEM, 0);
    }
 
  rho.data() = 1.;
  set_rho<float, ArrOfFloat>(rho);
}
 
// Says that the Poisson equation has variable coefficient rho, given at elements
// Must be called in parallel.
// (the function converts the given field to ijk ordering, computes the coarsened
//  rho fields, the matrix coefficients with boundary conditions for all levels
//  and the coarse matrix for the coarse grid solver).
void Multigrille_Adrien::set_rho(const DoubleVect& rho)
{
  statistics().create_custom_counter("Multigrid_Adrien::set_rho",2,"IJK");
  statistics().begin_count("Multigrid_Adrien::set_rho",statistics().get_last_opened_counter_level()+1);
  if (solver_precision_ != precision_float_)
    {
      IJK_Field_double ijk_rho(grids_data_double_[0].get_update_rho());
      convert_to_ijk(rho, ijk_rho);
      set_rho(ijk_rho);
    }
  else
    {
      IJK_Field_float ijk_rho(grids_data_float_[0].get_update_rho());
      convert_to_ijk(rho, ijk_rho);
      set_rho(ijk_rho);
    }
  statistics().end_count("Multigrid_Adrien::set_rho");
}
 
 
int Multigrille_Adrien::needed_kshift_for_jacobi(int level) const
{
  return nsweeps_jacobi_residu(level);
}
 
void Multigrille_Adrien::completer_double_for_residue(const Domaine_IJK& splitting)
{
  Cerr << "Multigrille_Adrien::completer_double_for_residue" << finl;
  grids_data_double_.dimensionner(1);
  grids_data_double_[0].initialize(splitting, ghost_size_, nsweeps_jacobi_residu(0));
}
 
double Multigrille_Adrien::multigrille_failure()
{
  IJK_Field_double& b = get_storage_double(STORAGE_RHS, 0);
  IJK_Field_double& x = get_storage_double(STORAGE_X, 0);
  IJK_Field_double& residu = get_storage_double(STORAGE_RESIDUE, 0);
 
  set_coarse_matrix().build_matrix(set_grid_data<double>(0).get_faces_coefficients());
  coarse_solver(x, b);
  jacobi_residu(x, &b, 0, 0 /* not jacobi */, &residu);
  return norme_ijk(residu);
}