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solver_sparse_matrix_aij.cc
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Wed, Sep 11, 23:14

solver_sparse_matrix_aij.cc
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/* -------------------------------------------------------------------------- */
#include "solver_sparse_matrix.hh"
/* -------------------------------------------------------------------------- */
#include "dof_synchronizer.hh"
#include "solver_vector_default.hh"
#include "sparse_matrix_aij.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
template <>
SolverSparseMatrixTmpl<SparseMatrixAIJ, DOFManagerDefault>::
SolverSparseMatrixTmpl(DOFManagerDefault & dof_manager,
const MatrixType & matrix_type, const ID & id)
: SparseMatrixAIJ(dof_manager.getCommunicator(),
dof_manager.getSystemSize(),
dof_manager.getSystemSize(), SizeType::_global,
matrix_type, id),
dof_manager(dof_manager) {}
/* -------------------------------------------------------------------------- */
template <>
SolverSparseMatrixTmpl<SparseMatrixAIJ, DOFManagerDefault>::
SolverSparseMatrixTmpl(SolverSparseMatrixAIJ & B, const ID & id)
: SparseMatrixAIJ(B, id), dof_manager(B.dof_manager) {}
/* -------------------------------------------------------------------------- */
template <>
void SolverSparseMatrixTmpl<SparseMatrixAIJ, DOFManagerDefault>::resize() {
this->m = this->n = this->dof_manager.getSystemSize();
this->m_local = this->n_local = this->dof_manager.getPureLocalSystemSize();
}
/* -------------------------------------------------------------------------- */
template <>
void SolverSparseMatrixTmpl<SparseMatrixAIJ, DOFManagerDefault>::applyBoundary(
Real block_val) {
AKANTU_DEBUG_IN();
const auto & blocked_dofs = this->dof_manager.getGlobalBlockedDOFs();
auto begin = blocked_dofs.begin();
auto end = blocked_dofs.end();
auto is_blocked = [&](auto && i) -> bool {
auto il = this->dof_manager.globalToLocalEquationNumber(i);
return std::binary_search(begin, end, il);
};
for (auto && ij_a : zip(this->irn, this->jcn, a)) {
UInt ni = std::get<0>(ij_a) - 1;
UInt nj = std::get<1>(ij_a) - 1;
if (is_blocked(ni) or is_blocked(nj)) {
std::get<2>(ij_a) =
std::get<0>(ij_a) != std::get<1>(ij_a)
? 0.
: this->dof_manager.isLocalOrMasterDOF(
this->dof_manager.globalToLocalEquationNumber(ni))
? block_val
: 0.;
}
}
this->value_release++;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <>
void SolverSparseMatrixTmpl<SparseMatrixAIJ, DOFManagerDefault>::matVecMul(
const Array<Real> & x, Array<Real> & y, Real alpha, Real beta) const {
auto && id = [&](auto && i) {
return this->dof_manager.globalToLocalEquationNumber(i);
};
SparseMatrixAIJ::matVecMulLocal(x, y, id, id, alpha, beta);
if (this->dof_manager.hasSynchronizer())
this->dof_manager.getSynchronizer().reduceSynchronizeArray<AddOperation>(y);
}
/* -------------------------------------------------------------------------- */
template <>
void SolverSparseMatrixTmpl<SparseMatrixAIJ, DOFManagerDefault>::matVecMul(
const SolverVector & _x, SolverVector & _y, Real alpha, Real beta) const {
AKANTU_DEBUG_IN();
auto && x = aka::as_type<SolverVectorDefault>(_x);
auto && y = aka::as_type<SolverVectorDefault>(_y);
auto && id = [&](auto && i) {
return this->dof_manager.globalToLocalEquationNumber(i);
};
SparseMatrixAIJ::matVecMulLocal(x, y, id, id, alpha, beta);
if (this->dof_manager.hasSynchronizer())
this->dof_manager.getSynchronizer().reduceSynchronizeArray<AddOperation>(y);
}
} // namespace akantu

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