MueLu
Version of the Day
|
Implements conjugate gradient algorithm for energy-minimization. More...
#include <MueLu_CGSolver_decl.hpp>
Private Attributes | |
size_t | nIts_ |
Number of performed iterations. More... | |
Constructors / destructors | |
CGSolver (size_t Its) | |
Iterate methods. | |
void | Iterate (const Matrix &A, const Constraint &C, const Matrix &P0, RCP< Matrix > &P) const |
Iterate. More... | |
Additional Inherited Members | |
![]() | |
SolverBase () | |
virtual | ~SolverBase () |
![]() | |
virtual | ~BaseClass () |
Destructor. More... | |
![]() | |
VerbLevel | GetVerbLevel () const |
Get the verbosity level. More... | |
void | SetVerbLevel (const VerbLevel verbLevel) |
Set the verbosity level of this object. More... | |
int | GetProcRankVerbose () const |
Get proc rank used for printing. Do not use this information for any other purpose. More... | |
int | SetProcRankVerbose (int procRank) const |
Set proc rank used for printing. More... | |
bool | IsPrint (MsgType type, int thisProcRankOnly=-1) const |
Find out whether we need to print out information for a specific message type. More... | |
Teuchos::FancyOStream & | GetOStream (MsgType type, int thisProcRankOnly=0) const |
Get an output stream for outputting the input message type. More... | |
Teuchos::FancyOStream & | GetBlackHole () const |
VerboseObject () | |
virtual | ~VerboseObject () |
Destructor. More... | |
![]() | |
virtual | ~Describable () |
Destructor. More... | |
virtual std::string | ShortClassName () const |
Return the class name of the object, without template parameters and without namespace. More... | |
virtual void | describe (Teuchos::FancyOStream &out_arg, const VerbLevel verbLevel=Default) const |
virtual std::string | description () const |
Return a simple one-line description of this object. More... | |
void | describe (Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const |
Print the object with some verbosity level to an FancyOStream object. More... | |
![]() | |
static void | SetMueLuOStream (const Teuchos::RCP< Teuchos::FancyOStream > &mueluOStream) |
static void | SetMueLuOFileStream (const std::string &filename) |
static Teuchos::RCP< Teuchos::FancyOStream > | GetMueLuOStream () |
static void | SetDefaultVerbLevel (const VerbLevel defaultVerbLevel) |
Set the default (global) verbosity level. More... | |
static VerbLevel | GetDefaultVerbLevel () |
Get the default (global) verbosity level. More... | |
Implements conjugate gradient algorithm for energy-minimization.
This is CG applied to the problem
\[ \min_P \frac12 \sum_i (p_i)^T A p_i \]
subject to
\[ P(i,j) = 0 \quad \mbox{if} \; (i,j) \mbox{ is not in SparsityPattern} \]
and
\[ P cnull = fnull. \]
Definition at line 80 of file MueLu_CGSolver_decl.hpp.
MueLu::CGSolver< Scalar, LocalOrdinal, GlobalOrdinal, Node >::CGSolver | ( | size_t | Its | ) |
Constructor
Its | – Number of performed iterations |
Definition at line 64 of file MueLu_CGSolver_def.hpp.
|
virtual |
Iterate.
Implements MueLu::SolverBase< Scalar, LocalOrdinal, GlobalOrdinal, Node >.
Definition at line 69 of file MueLu_CGSolver_def.hpp.
|
private |
Number of performed iterations.
Definition at line 104 of file MueLu_CGSolver_decl.hpp.