An example class for using external solvers that run a command and store the result in a file. More...

#include <linear_matrix_solver.h>

Inheritance diagram for Hermes::Solvers::SimpleExternalSolver< Scalar >:

Public Member Functions
	SimpleExternalSolver (CSCMatrix< Scalar > m, SimpleVector< Scalar > rhs)

void	solve ()

void	solve (Scalar *initial_guess)

Public Member Functions inherited from Hermes::Solvers::ExternalSolver< Scalar >
	ExternalSolver (CSCMatrix< Scalar > m, SimpleVector< Scalar > rhs)

virtual int	get_matrix_size ()
	Get size of matrix.

CSCMatrix< Scalar > *	get_matrix ()

SimpleVector< Scalar > *	get_rhs ()

template<>
ExternalSolver< double >::creation	create_external_solver

template<>
ExternalSolver< std::complex < double > >::creation	create_external_solver

Public Member Functions inherited from Hermes::Solvers::LinearMatrixSolver< Scalar >
	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

Scalar *	get_sln_vector ()

double	get_time ()

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 ()

virtual double	get_residual_norm ()
	Dummy methods that are implemented in the appropriate classes.

SparseMatrix< Scalar > *	get_matrix ()

Vector< Scalar > *	get_rhs ()

Public Member Functions inherited from Hermes::Mixins::Loggable
	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;.

Public Member Functions inherited from Hermes::Mixins::TimeMeasurable
	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.

Public Member Functions inherited from Hermes::Algebra::Mixins::MatrixRhsOutput< Scalar >
	MatrixRhsOutput ()

void	process_matrix_output (Hermes::Algebra::SparseMatrix< Scalar > *matrix, int iteration)
	Processes the matrix.

void	process_matrix_output (Hermes::Algebra::SparseMatrix< Scalar > *matrix)

void	process_vector_output (Hermes::Algebra::Vector< Scalar > *rhs, int iteration)
	Processes the matrix.

void	process_vector_output (Hermes::Algebra::Vector< Scalar > *rhs)

void	output_matrix (bool only_last_iteration=true, int firstIterations=-1)

void	set_print_zero_matrix_entries (bool to_set)
	Sets this instance to output matrix entries even though they are zero or not.

void	set_matrix_filename (std::string name)

void	set_matrix_varname (std::string name)

void	set_matrix_export_format (Hermes::Algebra::MatrixExportFormat format)

void	set_matrix_number_format (char *number_format)

void	output_rhs (bool only_last_iteration=true, int firstIterations=-1)

void	set_rhs_filename (std::string name)

void	set_rhs_varname (std::string name)

void	set_rhs_export_format (Hermes::Algebra::MatrixExportFormat format)

void	set_rhs_number_format (char *number_format)

Protected Member Functions
virtual std::string	command ()=0

Protected Member Functions inherited from Hermes::Mixins::Loggable
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

Additional Inherited Members
Public Types inherited from Hermes::Solvers::ExternalSolver< Scalar >
typedef ExternalSolver< Scalar > (	creation )(CSCMatrix< Scalar > m, SimpleVector< Scalar > rhs)

Public Types inherited from Hermes::Mixins::TimeMeasurable
enum	TimerPeriodTickType { HERMES_ACCUMULATE, HERMES_SKIP }
	Tick type. Used by the class Hermes::TimePeriod. More...

Static Public Member Functions inherited from Hermes::Mixins::Loggable
static void	set_static_logFile_name (const char *filename)

static void	set_static_logFile_name (std::string filename)

Public Attributes inherited from Hermes::Mixins::Loggable
char *	logFileName
	Logfile name.

Static Public Attributes inherited from Hermes::Solvers::ExternalSolver< Scalar >
static creation	create_external_solver

Static Public Attributes inherited from Hermes::Mixins::Loggable
static char *	staticLogFileName = nullptr

Protected Attributes inherited from Hermes::Solvers::ExternalSolver< Scalar >
CSCMatrix< Scalar > *	m
	Matrix to solve.

SimpleVector< Scalar > *	rhs
	Right hand side vector.

Protected Attributes inherited from Hermes::Solvers::LinearMatrixSolver< Scalar >
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

Protected Attributes inherited from Hermes::Algebra::Mixins::MatrixRhsOutput< Scalar >
bool	print_matrix_zero_values

bool	output_matrixOn

bool	only_lastMatrixIteration

int	output_matrixIterations

std::string	matrixFilename

std::string	matrixVarname

Hermes::Algebra::MatrixExportFormat	matrixFormat

char *	matrix_number_format

bool	output_rhsOn

bool	only_lastRhsIteration

int	output_rhsIterations

std::string	RhsFilename

std::string	RhsVarname

Hermes::Algebra::MatrixExportFormat	RhsFormat

char *	rhs_number_format

Detailed Description

template<typename Scalar>
class Hermes::Solvers::SimpleExternalSolver< Scalar >

An example class for using external solvers that run a command and store the result in a file.

Definition at line 199 of file linear_matrix_solver.h.

Member Function Documentation

template<typename Scalar >

virtual std::string Hermes::Solvers::SimpleExternalSolver< Scalar >::command ( )

protectedpure virtual

External command call.

Returns: Filepath to the result vector in the raw text format (just numbers, one per line). Can destroy the matrix and rhs files, those are not needed anymore.

template<typename Scalar >

void Hermes::Solvers::SimpleExternalSolver< Scalar >::solve ( )

virtual

Solve.

Returns: true on succes

Reimplemented from Hermes::Solvers::ExternalSolver< Scalar >.

Definition at line 390 of file linear_matrix_solver.cpp.

template<typename Scalar >

void Hermes::Solvers::SimpleExternalSolver< Scalar >::solve ( Scalar * initial_guess )

virtual

Solve.

Returns: true on succes

Parameters

[in] initial guess.

Reimplemented from Hermes::Solvers::ExternalSolver< Scalar >.

Definition at line 396 of file linear_matrix_solver.cpp.

The documentation for this class was generated from the following files:

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

template<typename Scalar> class Hermes::Solvers::SimpleExternalSolver< Scalar >

Member Function Documentation

template<typename Scalar>
class Hermes::Solvers::SimpleExternalSolver< Scalar >