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rAKA/src/solver/static_solver.cc
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static_solver.cc
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/**
* @file static_solver.cc
*
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Oct 13 2014
* @date last modification: Tue Jan 19 2016
*
* @brief implementation of the static solver
*
* @section LICENSE
*
* Copyright (©) 2015 EPFL (Ecole Polytechnique Fédérale de Lausanne) Laboratory
* (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "static_solver.hh"
/* -------------------------------------------------------------------------- */
#ifdef AKANTU_USE_PETSC
#include <petscsys.h>
#endif
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
StaticSolver::StaticSolver()
: CommunicatorEventHandler(), is_initialized(false) {
StaticCommunicator::getStaticCommunicator().registerEventHandler(*this);
}
/* -------------------------------------------------------------------------- */
StaticSolver::~StaticSolver() {
--this->nb_references;
if (this->nb_references == 0) {
StaticCommunicator::getStaticCommunicator().unregisterEventHandler(*this);
delete this->static_solver;
}
}
/* -------------------------------------------------------------------------- */
StaticSolver & StaticSolver::getStaticSolver() {
if (nb_references == 0)
static_solver = new StaticSolver();
++nb_references;
return *static_solver;
}
#ifdef AKANTU_USE_PETSC
#if PETSC_VERSION_MAJOR >= 3 && PETSC_VERSION_MINOR >= 5
static PetscErrorCode PETScErrorHandler(MPI_Comm, int line, const char * dir,
const char * file,
PetscErrorCode number,
PetscErrorType type,
const char * message, void *) {
AKANTU_DEBUG_ERROR("An error occured in PETSc in file \""
<< file << ":" << line << "\" - PetscErrorCode " << number
<< " - \"" << message << "\"");
}
#else
static PetscErrorCode
PETScErrorHandler(MPI_Comm, int line, __attribute__((unused)) const char * func,
__attribute__((unused)) const char * dir, const char * file,
PetscErrorCode number,
__attribute__((unused)) PetscErrorType type,
const char * message, void *) {
AKANTU_DEBUG_ERROR("An error occured in PETSc in file \""
<< file << ":" << line << "\" - PetscErrorCode " << number
<< " - \"" << message << "\"");
}
#endif
#endif
/* -------------------------------------------------------------------------- */
void StaticSolver::initialize(__attribute__((unused)) int & argc,
__attribute__((unused)) char **& argv) {
if (this->is_initialized)
return;
// AKANTU_DEBUG_ASSERT(this->is_initialized != true, "The static solver has
// already been initialized");
#ifdef AKANTU_USE_PETSC
PetscErrorCode petsc_error = PetscInitialize(&argc, &argv, NULL, NULL);
if (petsc_error != 0) {
AKANTU_DEBUG_ERROR(
"An error occured while initializing Petsc (PetscErrorCode "
<< petsc_error << ")");
}
PetscPushErrorHandler(PETScErrorHandler, NULL);
#endif
this->is_initialized = true;
}
/* -------------------------------------------------------------------------- */
void StaticSolver::finalize() {
ParentEventHandler::sendEvent(
StaticSolverEvent::BeforeStaticSolverDestroyEvent());
AKANTU_DEBUG_ASSERT(this->is_initialized == true,
"The static solver has not been initialized");
#ifdef AKANTU_USE_PETSC
PetscFinalize();
#endif
this->is_initialized = false;
}
__END_AKANTU__
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