Description

Wrapper class for the MUMPS direct linear solver.

This solver is not appropriate for VI and complementarity problems.

#include <ChMumpsEngine.h>

Public Types
enum	mumps_SYM { UNSYMMETRIC = 0, SYMMETRIC_POSDEF = 1, SYMMETRIC_GENERAL = 2 }

enum	mumps_JOB { INIT = -1, END = -2, ANALYZE = 1, FACTORIZE = 2, SOLVE = 3, ANALYZE_FACTORIZE = 4, FACTORIZE_SOLVE = 5, COMPLETE = 6 }

Public Member Functions
void	SetNumThreads (int num_threads)
	Set the number of OpenMP threads for MUMPS.

void	SetProblem (const ChSparseMatrix &Z, ChVectorRef rhs)
	Set the problem matrix and the right-hand side.

void	SetMatrix (const ChSparseMatrix &Z)
	Set the problem matrix.

void	SetMatrixSymmetry (mumps_SYM symmetry)
	Informs MUMPS of the matrix symmetry type.

void	SetRhsVector (ChVectorRef b)
	Set the right-hand side vector. More...

void	SetRhsVector (double *b)

void	EnableNullPivotDetection (bool val, double threshold=0)
	Enable null-pivot detection in MUMPS. More...

int	MumpsCall (mumps_JOB job_call)
	Submit job to MUMPS.

void	PrintINFOG ()
	Print a detailed description of the current INFOG array of MUMPS.

double	GetCNTL (int parnum)
	Get the `parnum`th CoNTroL parameter (CNTL)

void	SetCNTL (int parnum, int parvalue)
	Set the `parnum`th CoNTroL parameter (CNTL)

int	GetICNTL (int parnum)
	Get the `parnum`th Integer CoNTroL parameter (ICNTL)

void	SetICNTL (int parnum, int parvalue)
	Set the `parnum`th Integer CoNTroL parameter (ICNTL)

int	GetINFO (int parnum)
	Get the `parnum`th INFOrmative flag (INFO)

int	GetINFOG (int parnum)
	Get the `parnum`th Global INFOrmative flag (INFOG)

double	GetRINFO (int parnum)
	Get the `parnum`th Real-valued INFOrmative flag (RINFO)

double	GetRINFOG (int parnum)
	Get the `parnum`th Real-valued INFOrmative flag (RINFOG)

DMUMPS_STRUC_C &	GetMumpsStruc ()

Member Function Documentation

void chrono::ChMumpsEngine::EnableNullPivotDetection	(	bool	val,
		double	threshold = `0`
	)

Enable null-pivot detection in MUMPS.

< activates null pivot detection

< tries to compute one of the many solutions of AX = B

< fixation value

< pivot threshold

void chrono::ChMumpsEngine::SetRhsVector ( ChVectorRef b )

Set the right-hand side vector.

Note that it is the caller's responsibility to ensure that the size is appropriate.

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