29 #ifndef __PASO_SYSTEMMATRIX_H__ 30 #define __PASO_SYSTEMMATRIX_H__ 35 #include <escript/AbstractSystemMatrix.h> 66 double main_diagonal_value);
68 virtual inline void saveMM(
const std::string& filename)
const 74 merged->saveMM(filename.c_str());
80 virtual inline void saveHB(
const std::string& filename)
const 83 throw PasoException(
"SystemMatrix::saveHB: Only single rank supported.");
85 throw PasoException(
"SystemMatrix::saveHB: Only CSC format supported.");
91 virtual void resetValues(
bool preserveSolverData =
false);
97 void nullifyRows(
double* mask_row,
double main_diagonal_value);
136 void applyBalance(
double* x_out,
const double* x,
bool RHS)
const;
217 return pattern->input_distribution->getGlobalNumComponents();
219 return pattern->output_distribution->getGlobalNumComponents();
225 return pattern->output_distribution->getGlobalNumComponents();
227 return pattern->input_distribution->getGlobalNumComponents();
248 return pattern->getNumOutput();
253 mainBlock->copyBlockFromMainDiagonal(out);
279 inline void rowSum(
double* row_sum)
const 282 throw PasoException(
"SystemMatrix::rowSum: No normalization " 283 "available for compressed sparse column or index offset 1.");
286 #pragma omp parallel for 287 for (
index_t irow=0; irow<nrow; ++irow) {
295 void MatrixVector(
double alpha,
const double* in,
double beta,
301 static SystemMatrix_ptr
loadMM_toCSR(
const char* filename);
303 static SystemMatrix_ptr
loadMM_toCSC(
const char* filename);
306 int package,
bool symmetry,
355 boost::python::object& options)
const;
359 void solve(
double* out,
double* in,
Options* options)
const;
368 #endif // __PASO_SYSTEMMATRIX_H__ void startColCollect(const double *in) const
Definition: SystemMatrix.h:164
SparseMatrix_ptr col_coupleBlock
coupling to neighbouring processors (row - col)
Definition: SystemMatrix.h:329
Definition: FunctionSpace.h:34
static int getSystemMatrixTypeId(int solver, int preconditioner, int package, bool symmetry, const escript::JMPI &mpi_info)
Definition: SystemMatrix.cpp:520
dim_t getNumRows() const
Definition: SystemMatrix.h:184
void extendedRowsForST(dim_t *degree_ST, index_t *offset_ST, index_t *ST)
Definition: SystemMatrix_extendedRows.cpp:41
dim_t getTotalNumCols() const
Definition: SystemMatrix.h:199
double * balance_vector
Definition: SystemMatrix.h:342
void copyBlockToMainDiagonal(const double *in)
Definition: SystemMatrix.h:256
SparseMatrix_ptr row_coupleBlock
coupling to neighbouring processors (col - row)
Definition: SystemMatrix.h:331
dim_t getColOverlap() const
Definition: SystemMatrix.h:209
~SystemMatrix()
Definition: SystemMatrix.cpp:142
void nullifyRows(double *mask_row, double main_diagonal_value)
Definition: SystemMatrix.cpp:223
void print() const
Definition: SystemMatrix_debug.cpp:100
dim_t logical_col_block_size
Definition: SystemMatrix.h:313
void solve(double *out, double *in, Options *options) const
Definition: solve.cpp:39
#define MATRIX_FORMAT_OFFSET1
Definition: Paso.h:63
void mergeMainAndCouple(index_t **p_ptr, index_t **p_idx, double **p_val) const
Definition: SystemMatrix_mergeMainAndCouple.cpp:40
boost::shared_ptr< Distribution > Distribution_ptr
Definition: Distribution.h:24
SystemMatrixPattern_ptr pattern
Definition: SystemMatrix.h:310
void copyMain_CSC_OFFSET1(index_t **p_ptr, index_t **p_idx, double **p_val)
dim_t getTotalNumRows() const
Definition: SystemMatrix.h:194
void mergeMainAndCouple_CSC_OFFSET1(index_t **p_ptr, index_t **p_idx, double **p_val) const
Definition: SystemMatrix_mergeMainAndCouple.cpp:276
void copyBlockFromMainDiagonal(double *out) const
Definition: SystemMatrix.h:251
void mergeMainAndCouple_CSR_OFFSET0_Block(index_t **p_ptr, index_t **p_idx, double **p_val) const
Definition: SystemMatrix_mergeMainAndCouple.cpp:168
dim_t block_size
Definition: SystemMatrix.h:317
boost::shared_ptr< JMPI_ > JMPI
Definition: EsysMPI.h:71
escript::Distribution_ptr col_distribution
Definition: SystemMatrix.h:320
dim_t getGlobalNumRows() const
Definition: SystemMatrix.h:214
void startCollect(const double *in) const
Definition: SystemMatrix.h:154
index_t * borrowMainDiagonalPointer() const
Definition: SystemMatrix.cpp:187
void applyBalanceInPlace(double *x, bool RHS) const
Definition: SystemMatrix.cpp:431
boost::shared_ptr< SparseMatrix > SparseMatrix_ptr
Definition: SparseMatrix.h:35
double * finishCollect() const
Definition: SystemMatrix.h:159
void add(dim_t, index_t *, dim_t, dim_t, index_t *, dim_t, double *)
void copyToMainDiagonal(const double *in)
Definition: SystemMatrix.h:266
dim_t getNumOutput() const
Definition: SystemMatrix.h:246
virtual void saveMM(const std::string &filename) const
writes the matrix to a file using the Matrix Market file format
Definition: SystemMatrix.h:68
void setValues(double value)
Definition: SystemMatrix.h:271
double getSparsity() const
Definition: SystemMatrix.h:240
virtual void saveHB(const std::string &filename) const
writes the matrix to a file using the Harwell-Boeing file format
Definition: SystemMatrix.h:80
escript::Distribution_ptr row_distribution
Definition: SystemMatrix.h:319
boost::shared_ptr< SystemMatrixPattern > SystemMatrixPattern_ptr
Definition: SystemMatrixPattern.h:39
void RHS_loadMM_toCSR(const char *filename, double *b, dim_t size)
Definition: SystemMatrix_loadMM.cpp:299
bool is_balanced
Definition: SystemMatrix.h:335
boost::shared_ptr< SystemMatrix > SystemMatrix_ptr
Definition: SystemMatrix.h:40
void copyFromMainDiagonal(double *out) const
Definition: SystemMatrix.h:261
SparseMatrix_ptr mainBlock
main block
Definition: SystemMatrix.h:327
dim_t row_block_size
Definition: SystemMatrix.h:315
void * solver_p
pointer to data needed by a solver
Definition: SystemMatrix.h:351
void freePreconditioner()
Definition: SystemMatrix.cpp:164
static SystemMatrix_ptr loadMM_toCSC(const char *filename)
Definition: SystemMatrix_loadMM.cpp:200
int index_t
type for array/matrix indices used both globally and on each rank
Definition: DataTypes.h:59
void copyRemoteCoupleBlock(bool recreatePattern)
Definition: SystemMatrix_copyRemoteCoupleBlock.cpp:39
virtual void setToSolution(escript::Data &out, escript::Data &in, boost::python::object &options) const
solves the linear system this*out=in
Definition: SystemMatrix.cpp:309
void mergeMainAndCouple_CSR_OFFSET0(index_t **p_ptr, index_t **p_idx, double **p_val) const
Definition: SystemMatrix_mergeMainAndCouple.cpp:56
void startRowCollect(const double *in)
Definition: SystemMatrix.h:174
void setPreconditioner(Options *options)
Definition: SystemMatrix.cpp:149
this class holds a (distributed) stiffness matrix
Definition: SystemMatrix.h:47
Data represents a collection of datapoints.
Definition: Data.h:63
void solvePreconditioner(double *x, double *b)
Definition: SystemMatrix.cpp:157
virtual void ypAx(escript::Data &y, escript::Data &x) const
performs y+=this*x
Definition: SystemMatrix.cpp:333
void balance()
Definition: SystemMatrix.cpp:469
double getGlobalSize() const
Definition: SystemMatrix.cpp:171
boost::shared_ptr< const SystemMatrix > const_SystemMatrix_ptr
Definition: SystemMatrix.h:42
index_t * global_id
stores the global ids for all cols in col_coupleBlock
Definition: SystemMatrix.h:345
int SystemMatrixType
Definition: SystemMatrix.h:44
SparseMatrix_ptr remote_coupleBlock
coupling of rows-cols on neighbouring processors (may not be valid)
Definition: SystemMatrix.h:333
dim_t logical_row_block_size
Definition: SystemMatrix.h:312
Coupler_ptr row_coupler
Definition: SystemMatrix.h:324
void fillWithGlobalCoordinates(double f1)
Definition: SystemMatrix_debug.cpp:37
virtual void nullifyRowsAndCols(escript::Data &mask_row, escript::Data &mask_col, double main_diagonal_value)
Definition: SystemMatrix.cpp:244
void applyBalance(double *x_out, const double *x, bool RHS) const
Definition: SystemMatrix.cpp:450
dim_t getNumCols() const
Definition: SystemMatrix.h:189
SystemMatrixType type
Definition: SystemMatrix.h:309
boost::shared_ptr< Coupler > Coupler_ptr
Definition: Coupler.h:41
dim_t getGlobalNumCols() const
Definition: SystemMatrix.h:222
dim_t getGlobalTotalNumRows() const
Definition: SystemMatrix.h:230
Base class for escript system matrices.
Definition: AbstractSystemMatrix.h:42
index_t solver_package
package code controlling the solver pointer
Definition: SystemMatrix.h:348
#define MATRIX_FORMAT_CSC
Definition: Paso.h:61
escript::JMPI mpi_info
Definition: SystemMatrix.h:321
PasoException exception class.
Definition: PasoException.h:32
dim_t getRowOverlap() const
Definition: SystemMatrix.h:204
void MatrixVector(double alpha, const double *in, double beta, double *out) const
Definition: SystemMatrix_MatrixVector.cpp:34
void makeZeroRowSums(double *left_over)
Definition: SystemMatrix.cpp:201
double * finishColCollect() const
Definition: SystemMatrix.h:169
void rowSum(double *row_sum) const
Definition: SystemMatrix.h:279
dim_t col_block_size
Definition: SystemMatrix.h:316
Coupler_ptr col_coupler
Definition: SystemMatrix.h:323
double * finishRowCollect()
Definition: SystemMatrix.h:179
SystemMatrix()
default constructor - throws exception.
Definition: SystemMatrix.cpp:41
void MatrixVector_CSR_OFFSET0(double alpha, const double *in, double beta, double *out) const
Definition: SystemMatrix_MatrixVector.cpp:63
virtual void resetValues(bool preserveSolverData=false)
resets the matrix entries
Definition: SystemMatrix.cpp:302
index_t dim_t
Definition: DataTypes.h:64
void copyColCoupleBlock()
Definition: SystemMatrix.cpp:353
static SystemMatrix_ptr loadMM_toCSR(const char *filename)
Definition: SystemMatrix_loadMM.cpp:100
SparseMatrix_ptr mergeSystemMatrix() const
Definition: SystemMatrix.cpp:554
dim_t getGlobalTotalNumCols() const
Definition: SystemMatrix.h:235