HermesCommon
3.0
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Abstract class for defining interface for iterative solvers. Internal, though utilizable for defining interfaces to other algebraic packages. More...
#include <linear_matrix_solver.h>
Public Member Functions | |
IterSolver (SparseMatrix< Scalar > *matrix, Vector< Scalar > *rhs) | |
virtual void | set_precond (Precond< Scalar > *pc)=0 |
Set preconditioner. | |
void | set_solver_type (IterSolverType iterSolverType) |
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LoopSolver (SparseMatrix< Scalar > *matrix, Vector< Scalar > *rhs) | |
virtual int | get_num_iters ()=0 |
Get the number of iterations performed. | |
virtual double | get_residual_norm ()=0 |
Get the final residual. | |
virtual void | set_tolerance (double tol) |
virtual void | set_tolerance (double tolerance, LoopSolverToleranceType toleranceType) |
virtual void | set_max_iters (int iters) |
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LinearMatrixSolver (SparseMatrix< Scalar > *matrix, Hermes::Algebra::Vector< Scalar > *rhs) | |
DirectSolver< Scalar > * | as_DirectSolver () const |
LoopSolver< Scalar > * | as_LoopSolver () const |
IterSolver< Scalar > * | as_IterSolver () const |
AMGSolver< Scalar > * | as_AMGSolver () const |
virtual void | free ()=0 |
virtual void | solve ()=0 |
virtual void | solve (Scalar *initial_guess)=0 |
Scalar * | get_sln_vector () |
double | get_time () |
virtual int | get_matrix_size ()=0 |
Get size of matrix. | |
virtual MatrixStructureReuseScheme | get_used_reuse_scheme () const |
Get factorization scheme. | |
virtual void | set_reuse_scheme (MatrixStructureReuseScheme reuse_scheme) |
virtual void | set_reuse_scheme () |
Set factorization scheme to default. | |
virtual void | use_node_wise_ordering (unsigned int num_pdes) |
Set matrix ordering in the case of a system of PDEs. | |
virtual void | use_equations_wise_ordering () |
SparseMatrix< Scalar > * | get_matrix () |
Vector< Scalar > * | get_rhs () |
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Loggable (bool verbose_output=false, callbackFn verbose_callback=NULL, bool add_newline=true) | |
void | set_file_output_only (bool onOff) |
void | set_timestamps (bool onOff) |
Sets the addition of a time stamp on each line in the log file. By default it is on. | |
void | set_erase_on_beginning (bool onOff) |
Sets the logFile being always erased before logging. | |
void | set_logFile_name (const char *filename) |
void | set_logFile_name (std::string filename) |
void | info (const char *msg,...) const |
void | info_if (bool cond, const char *msg,...) const |
void | warn (const char *msg,...) const |
void | warn_if (bool cond, const char *msg,...) const |
void | error (const char *msg,...) const |
void | error_if (bool cond, const char *msg,...) const |
virtual void | set_verbose_output (bool to_set) |
bool | get_verbose_output () const |
Returns the current value of verbose_output;. | |
virtual void | set_verbose_callback (callbackFn callback) |
callbackFn | get_verbose_callback () const |
Returns the current value of verbose_callback;. | |
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TimeMeasurable (const char *name=nullptr) | |
Constructs internal structures and starts measuring. | |
const TimeMeasurable & | reset () |
Resets accumulated time. | |
const TimeMeasurable & | tick_reset () |
Starts a new_ period and resets accumulated time. | |
const TimeMeasurable & | tick (TimeMeasurable::TimerPeriodTickType type=HERMES_ACCUMULATE) |
Starts/ends a new_ period. | |
const std::string & | name () const |
Returns a name of the time period if any. | |
double | accumulated () const |
Returns accumulated time (in seconds). | |
std::string | accumulated_str () const |
Returns accumulated time in human readable form. | |
double | last () const |
Returns last measured period (in seconds). More... | |
std::string | last_str () const |
Returns last measured period in human readable form. | |
Protected Attributes | |
bool | precond_yes |
Whether the solver is preconditioned. | |
IterSolverType | iterSolverType |
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int | max_iters |
Maximum number of iterations. | |
double | tolerance |
Convergence tolerance. | |
LoopSolverToleranceType | toleranceType |
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MatrixStructureReuseScheme | reuse_scheme |
Factorization scheme. | |
SparseMatrix< Scalar > * | general_matrix |
Vector< Scalar > * | general_rhs |
Scalar * | sln |
Solution vector. More... | |
double | time |
unsigned int | n_eq |
Number of equations in a system of PDEs. | |
bool | node_wise_ordering |
Additional Inherited Members | |
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enum | TimerPeriodTickType { HERMES_ACCUMULATE, HERMES_SKIP } |
Tick type. Used by the class Hermes::TimePeriod. More... | |
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static void | set_static_logFile_name (const char *filename) |
static void | set_static_logFile_name (std::string filename) |
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char * | logFileName |
Logfile name. | |
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static char * | staticLogFileName = nullptr |
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void | hermes_fwrite (const void *ptr, size_t size, size_t nitems, FILE *stream) const |
void | hermes_fread (void *ptr, size_t size, size_t nitems, FILE *stream) const |
Abstract class for defining interface for iterative solvers. Internal, though utilizable for defining interfaces to other algebraic packages.
Definition at line 91 of file linear_matrix_solver.h.
void Hermes::Solvers::IterSolver< Scalar >::set_solver_type | ( | IterSolverType | iterSolverType | ) |
Set current solver type. This destroys the current solver (NOT the matrix, and rhs).
Definition at line 455 of file linear_matrix_solver.cpp.
Referenced by Hermes::Solvers::IterativeParalutionLinearMatrixSolver< Scalar >::set_solver_type().