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/* |
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****************************************************************************** |
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* * |
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* COPYRIGHT ACcESS 2004 - All Rights Reserved * |
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* * |
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* This software is the property of ACcESS. No part of this code * |
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* may be copied in any form or by any means without the expressed written * |
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* consent of ACcESS. Copying, use or modification of this software * |
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* by any unauthorised person is illegal unless that person has a software * |
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* license agreement with ACcESS. * |
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* * |
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****************************************************************************** |
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*/ |
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extern "C" { |
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#include "finley/finleyC/System.h" |
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} |
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#include "escript/Data/Data.h" |
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#include "finley/CPPAdapter/SystemMatrixAdapter.h" |
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#include "finley/CPPAdapter/FinleyAdapterException.h" |
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#include "finley/CPPAdapter/FinleyError.h" |
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#include <boost/python/extract.hpp> |
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using namespace std; |
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namespace finley { |
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SystemMatrixAdapter::SystemMatrixAdapter() |
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{ |
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throw FinleyAdapterException("Error - Illegal to generate default SystemMatrixAdapter."); |
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} |
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SystemMatrixAdapter::SystemMatrixAdapter(const Finley_SystemMatrix* system_matrix, |
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const int row_blocksize, |
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const escript::FunctionSpace& row_functionspace, |
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const int column_blocksize, |
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const escript::FunctionSpace& column_functionspace): |
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AbstractSystemMatrix(row_blocksize,row_functionspace,column_blocksize,column_functionspace), |
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m_system_matrix(system_matrix) |
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{ |
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} |
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SystemMatrixAdapter::~SystemMatrixAdapter() |
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{ |
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if (m_system_matrix.unique()) { |
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Finley_SystemMatrix* mat=m_system_matrix.get(); |
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Finley_SystemMatrix_dealloc(mat); |
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} |
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} |
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Finley_SystemMatrix* SystemMatrixAdapter::getFinley_SystemMatrix() const |
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{ |
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return m_system_matrix.get(); |
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} |
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void SystemMatrixAdapter::ypAx(escript::Data& y, const escript::Data& x) const |
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{ |
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Finley_SystemMatrix* mat=getFinley_SystemMatrix(); |
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Finley_SystemMatrixVector(&(y.getDataC()),mat,&(x.getDataC())); |
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checkFinleyError(); |
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} |
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void SystemMatrixAdapter::setToSolution(escript::Data& out, const escript::Data& in, const boost::python::dict& options) const |
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{ |
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Finley_SolverOptions finley_options; |
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Finley_SystemMatrix_setDefaults(&finley_options); |
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// extract options |
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#define EXTRACT(__key__,__val__,__type__) if ( options.has_key(__key__)) finley_options.__val__=boost::python::extract<__type__>(options.get(__key__)) |
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EXTRACT("verbose",verbose,int); |
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EXTRACT("reordering",reordering,int); |
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EXTRACT("tolerance",tolerance,double); |
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EXTRACT("iterative_method",iterative_method,int); |
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EXTRACT("preconditioner",preconditioner,int); |
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EXTRACT("iter_max",iter_max,int); |
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EXTRACT("drop_tolerance",drop_tolerance,double); |
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EXTRACT("drop_storage",drop_storage,double); |
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EXTRACT("iterative",iterative,int); |
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#undef EXTRACT |
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if (finley_options.iterative) { |
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Finley_SystemMatrix_iterative(getFinley_SystemMatrix(),&(out.getDataC()),&(in.getDataC()),&finley_options); |
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} else { |
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Finley_SystemMatrix_solve(getFinley_SystemMatrix(),&(out.getDataC()),&(in.getDataC()),&finley_options); |
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} |
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checkFinleyError(); |
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} |
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void SystemMatrixAdapter::nullifyRowsAndCols(const escript::Data& row_q, const escript::Data& col_q, const double mdv) const |
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{ |
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Finley_SystemMatrix* system_matrix_ptr = getFinley_SystemMatrix(); |
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escriptDataC row_qC = row_q.getDataC(); |
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escriptDataC col_qC = col_q.getDataC(); |
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Finley_SystemMatrix_nullifyRowsAndCols(system_matrix_ptr, &row_qC, &col_qC, mdv); |
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} |
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} // end of namespace |
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