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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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|
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#if !defined finley_SystemMatrixAdapter_20040610_H |
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#define finley_SystemMatrixAdapter_20040610_H |
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|
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#include "finley/CPPAdapter/SystemMatrixAdapter.h" |
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#include "escript/Data/AbstractSystemMatrix.h" |
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#include "escript/Data/Data.h" |
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extern "C" { |
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#include "finley/finleyC/System.h" |
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} |
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#include <boost/python/dict.hpp> |
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#include <boost/shared_ptr.hpp> |
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|
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namespace finley { |
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|
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class SystemMatrixAdapter:public escript::AbstractSystemMatrix { |
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|
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/** |
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\brief |
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Wrapper for Finley_SystemMatrix. |
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|
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Description: |
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Wrapper for Finley_SystemMatrix. |
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*/ |
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|
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public: |
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|
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/** |
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/brief |
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Default Constructor for SystemMatrixAdapter. |
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NB: Only throws an exception. |
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*/ |
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SystemMatrixAdapter(); |
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|
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/** |
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/brief |
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Constructor for SystemMatrixAdapter. |
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*/ |
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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& colum_functionspace); |
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|
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/** |
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\brief |
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Destructor for SystemMatrixAdapter. As specified in the constructor |
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this deallocates the pointer given to the constructor. |
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*/ |
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~SystemMatrixAdapter(); |
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|
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/** |
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\brief |
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Returns the pointer to the system matrix. |
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*/ |
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Finley_SystemMatrix* getFinley_SystemMatrix() const; |
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|
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/** |
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\brief |
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Returns the system matrix as a const AbstractSystemMatrix&. |
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*/ |
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inline const escript::AbstractSystemMatrix& asAbstractSystemMatrix() const |
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{ |
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return dynamic_cast<const escript::AbstractSystemMatrix&>(*this); |
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} |
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|
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/** |
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\brief |
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Returns a system matrix as a const SystemMatrixAdapter&. |
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*/ |
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inline static const SystemMatrixAdapter& asSystemMatrixAdapter(const AbstractSystemMatrix& systemmatrix) |
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{ |
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return dynamic_cast<const SystemMatrixAdapter&>(systemmatrix); |
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} |
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|
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/** |
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\brief |
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nullifyRowsAndCols - calls Finley_SystemMatrix_nullifyRowsAndCols. |
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*/ |
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void nullifyRowsAndCols(const escript::Data& row_q, const escript::Data& col_q, const double mdv) const; |
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|
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protected: |
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|
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private: |
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|
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/** |
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\brief |
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solves the linear system this*out=in |
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*/ |
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virtual void setToSolution(escript::Data& out, const escript::Data& in, const boost::python::dict& options) const; |
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|
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/** |
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\brief |
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performs y+=this*x |
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*/ |
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virtual void ypAx(escript::Data& y, const escript::Data& x) const; |
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|
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// |
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// pointer to the externally created finley mesh - system_matrix. |
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// |
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boost::shared_ptr<Finley_SystemMatrix> m_system_matrix; |
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|
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}; |
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|
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} // end of namespace |
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#endif |
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