SolveurSys.cpp

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#include <SolveurSys.h>
#include <Motcle.h>
#include <Param.h>
#include <Perf_counters.h>
 
Implemente_instanciable(SolveurSys, "SolveurSys", OWN_PTR(SolveurSys_base));
 
Sortie& SolveurSys::printOn(Sortie& s) const
{
  return OWN_PTR(SolveurSys_base)::printOn(s);
}
 
Entree& SolveurSys::readOn(Entree& is)
{
  Param param(que_suis_je());
  Nom solver_name;
  param.ajouter("solveur_pression", &solver_name, Param::REQUIRED);
  param.lire_sans_accolade(is);
  if (solver_name.majuscule() == "GEN")
    {
      Cerr << "Error: Sparskit based solver 'solveur gen { solv_elem bicgstab|gmres ... }' removed in v1.9.8" << finl;
      Cerr << "       It can be replaced by more efficient PETSc equivalent solvers." << finl;
      Process::exit();
    }
  Nom type_solv_sys("Solv_");
  type_solv_sys += solver_name;
  typer(type_solv_sys);
  return is >> valeur();
}
 
static int nested_solver = 0;
 
int SolveurSys::resoudre_systeme(const Matrice_Base& matrice, const DoubleVect& secmem, DoubleVect& solution)
{
  valeur().save_matrice_secmem_conditionnel(matrice, secmem, solution);
  // Case of nested solvers: only display the time of the "outer" solver
  // temporary: test from baltik IJK_FT commented out because it causes errors in .TU with PETSC (solvers Ax=B => 0%)
  statistics().begin_count(STD_COUNTERS::system_solver,statistics().get_last_opened_counter_level()+1);
  nested_solver++;
  int nb_iter = valeur().resoudre_systeme(matrice, secmem, solution);
  nested_solver--;
  // temporary: test from baltik IJK_FT commented out because it causes errors with the Check_solver.sh script for the PETSC_VEF test
  // If limpr is -1, no output is printed
  //if (le_nom()=="??")
  //  Process::exit("Solver not named. Fix!");
  if (valeur().limpr() >= 0)
    Cout << " Convergence in " << nb_iter << " iterations for " << le_nom() << finl;
  if (valeur().limpr() == 1)
    Cout << "clock Ax=B: " << statistics().get_time_since_last_open(STD_COUNTERS::system_solver) << " s for " << le_nom() << finl;
  statistics().end_count(STD_COUNTERS::system_solver,1,nb_iter);
 
  return nb_iter;
}