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rAKA/src/solver/petsc_wrapper.hh
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petsc_wrapper.hh
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/**
* @file petsc_wrapper.hh
*
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Thu Feb 21 2013
* @date last modification: Sat Feb 03 2018
*
* @brief Wrapper of PETSc structures
*
*
* Copyright (©) 2014-2018 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_PETSC_WRAPPER_HH_
#define AKANTU_PETSC_WRAPPER_HH_
/* -------------------------------------------------------------------------- */
#include <mpi.h>
#include <petscao.h>
#include <petscis.h>
#include <petscksp.h>
#include <petscmat.h>
#include <petscvec.h>
namespace akantu {
/* -------------------------------------------------------------------------- */
struct PETScMatrixWrapper {
Mat mat;
AO ao;
ISLocalToGlobalMapping mapping;
/// MPI communicator for PETSc commands
MPI_Comm communicator;
};
/* -------------------------------------------------------------------------- */
struct PETScSolverWrapper {
KSP ksp;
Vec solution;
Vec rhs;
// MPI communicator for PETSc commands
MPI_Comm communicator;
};
#if not defined(PETSC_CLANGUAGE_CXX)
extern int aka_PETScError(int ierr);
#define CHKERRXX(x) \
do { \
int error = aka_PETScError(x); \
if (error != 0) { \
AKANTU_EXCEPTION("Error in PETSC"); \
} \
} while (0)
#endif
} // namespace akantu
#endif /* AKANTU_PETSC_WRAPPER_HH_ */
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