#include <GlobalLinSysXxt.h>

Inheritance diagram for Nektar::MultiRegions::GlobalLinSysXxt:

Public Member Functions
	GlobalLinSysXxt (const GlobalLinSysKey &pKey, const std::weak_ptr< ExpList > &pExp, const std::shared_ptr< AssemblyMap > &pLocToGloMap)
	Constructor for full direct matrix solve. More...

virtual	~GlobalLinSysXxt ()

Public Member Functions inherited from Nektar::MultiRegions::GlobalLinSys
	GlobalLinSys (const GlobalLinSysKey &pKey, const std::weak_ptr< ExpList > &pExpList, const std::shared_ptr< AssemblyMap > &pLocToGloMap)
	Constructor for full direct matrix solve. More...

virtual	~GlobalLinSys ()

const GlobalLinSysKey &	GetKey (void) const
	Returns the key associated with the system. More...

const std::weak_ptr< ExpList > &	GetLocMat (void) const

void	InitObject ()

void	Initialise (const std::shared_ptr< AssemblyMap > &pLocToGloMap)

void	Solve (const Array< OneD, const NekDouble > &in, Array< OneD, NekDouble > &out, const AssemblyMapSharedPtr &locToGloMap, const Array< OneD, const NekDouble > &dirForcing=NullNekDouble1DArray)
	Solve the linear system for given input and output vectors using a specified local to global map. More...

std::shared_ptr< GlobalLinSys >	GetSharedThisPtr ()
	Returns a shared pointer to the current object. More...

int	GetNumBlocks ()

DNekScalMatSharedPtr	GetBlock (unsigned int n)

DNekScalBlkMatSharedPtr	GetStaticCondBlock (unsigned int n)

void	DropStaticCondBlock (unsigned int n)

void	SolveLinearSystem (const int pNumRows, const Array< OneD, const NekDouble > &pInput, Array< OneD, NekDouble > &pOutput, const AssemblyMapSharedPtr &locToGloMap, const int pNumDir=0)
	Solve the linear system for given input and output vectors. More...

Protected Member Functions
virtual void	v_SolveLinearSystem (const int pNumRows, const Array< OneD, const NekDouble > &pInput, Array< OneD, NekDouble > &pOutput, const AssemblyMapSharedPtr &locToGloMap, const int pNumDir=0)
	Solve the linear system for given input and output vectors. More...

void	GlobalToLocalNoSign (const Array< OneD, const NekDouble > &global, Array< OneD, NekDouble > &local)

void	LocalToGlobalNoSign (const Array< OneD, const NekDouble > &local, Array< OneD, NekDouble > &global)

Protected Member Functions inherited from Nektar::MultiRegions::GlobalLinSys
virtual int	v_GetNumBlocks ()
	Get the number of blocks in this system. More...

virtual DNekScalMatSharedPtr	v_GetBlock (unsigned int n)
	Retrieves the block matrix from n-th expansion using the matrix key provided by the m_linSysKey. More...

virtual DNekScalBlkMatSharedPtr	v_GetStaticCondBlock (unsigned int n)
	Retrieves a the static condensation block matrices from n-th expansion using the matrix key provided by the m_linSysKey. More...

virtual void	v_DropStaticCondBlock (unsigned int n)
	Releases the static condensation block matrices from NekManager of n-th expansion using the matrix key provided by the m_linSysKey. More...

PreconditionerSharedPtr	CreatePrecon (AssemblyMapSharedPtr asmMap)
	Create a preconditioner object from the parameters defined in the supplied assembly map. More...

Protected Attributes
struct Xxt::crs_data *	m_crsData

Array< OneD, unsigned int >	m_Ai

Array< OneD, unsigned int >	m_Aj

Array< OneD, double >	m_Ar

Array< OneD, NekDouble >	m_locToGloSignMult

Array< OneD, int >	m_map

Protected Attributes inherited from Nektar::MultiRegions::GlobalLinSys
const GlobalLinSysKey	m_linSysKey
	Key associated with this linear system. More...

const std::weak_ptr< ExpList >	m_expList
	Local Matrix System. More...

const std::map< int, RobinBCInfoSharedPtr >	m_robinBCInfo
	Robin boundary info. More...

bool	m_verbose

Detailed Description

Solves a linear system using direct methods.

Definition at line 29 of file GlobalLinSysXxt.h.

Constructor & Destructor Documentation

◆ GlobalLinSysXxt()

Nektar::MultiRegions::GlobalLinSysXxt::GlobalLinSysXxt	(	const GlobalLinSysKey &	pKey,
		const std::weak_ptr< ExpList > &	pExp,
		const std::shared_ptr< AssemblyMap > &	pLocToGloMap
	)

Constructor for full direct matrix solve.

Definition at line 51 of file GlobalLinSysXxt.cpp.

References m_crsData.

                 : GlobalLinSys(pKey, pExp, pLocToGloMap)
         {
             m_crsData = 0;
         }

◆ ~GlobalLinSysXxt()

Nektar::MultiRegions::GlobalLinSysXxt::~GlobalLinSysXxt ( )

virtual

Definition at line 61 of file GlobalLinSysXxt.cpp.

References Xxt::Finalise(), and m_crsData.

         {
             Xxt::Finalise(m_crsData);
         }

Member Function Documentation

◆ GlobalToLocalNoSign()

void Nektar::MultiRegions::GlobalLinSysXxt::GlobalToLocalNoSign	(	const Array< OneD, const NekDouble > &	global,
		Array< OneD, NekDouble > &	local
	)

protected

Definition at line 84 of file GlobalLinSysXxt.cpp.

References Vmath::Gathr(), m_locToGloSignMult, and m_map.

Referenced by v_SolveLinearSystem().

         {
             Vmath::Gathr(m_map.num_elements(), m_locToGloSignMult.get(), global.get(), m_map.get(), local.get());
         }

◆ LocalToGlobalNoSign()

void Nektar::MultiRegions::GlobalLinSysXxt::LocalToGlobalNoSign	(	const Array< OneD, const NekDouble > &	local,
		Array< OneD, NekDouble > &	global
	)

protected

Definition at line 90 of file GlobalLinSysXxt.cpp.

References m_map, and Vmath::Scatr().

Referenced by v_SolveLinearSystem().

         {
             Vmath::Scatr(m_map.num_elements(), local.get(), m_map.get(), global.get());
         }

◆ v_SolveLinearSystem()

void Nektar::MultiRegions::GlobalLinSysXxt::v_SolveLinearSystem	(	const int	pNumRows,
		const Array< OneD, const NekDouble > &	pInput,
		Array< OneD, NekDouble > &	pOutput,
		const AssemblyMapSharedPtr &	locToGloMap,
		const int	pNumDir = `0`
	)

protectedvirtual

Solve the linear system for given input and output vectors.

Implements Nektar::MultiRegions::GlobalLinSys.

Definition at line 67 of file GlobalLinSysXxt.cpp.

References GlobalToLocalNoSign(), LocalToGlobalNoSign(), m_crsData, m_map, and Xxt::Solve().

         {
             boost::ignore_unused(pNumRows, pLocToGloMap, pNumDir);
 
             int nLocal = m_map.num_elements();
             Array<OneD, NekDouble> vLocalIn(nLocal, 0.0);
             Array<OneD, NekDouble> vLocalOut(nLocal, 0.0);
             GlobalToLocalNoSign(pInput, vLocalIn);
             Xxt::Solve(vLocalOut, m_crsData, vLocalIn);
             LocalToGlobalNoSign(vLocalOut, pOutput);
         }

Member Data Documentation

◆ m_Ai

Array<OneD, unsigned int> Nektar::MultiRegions::GlobalLinSysXxt::m_Ai

protected

Definition at line 43 of file GlobalLinSysXxt.h.

Referenced by Nektar::MultiRegions::GlobalLinSysXxtFull::AssembleMatrixArrays(), and Nektar::MultiRegions::GlobalLinSysXxtStaticCond::v_AssembleSchurComplement().

◆ m_Aj

Array<OneD, unsigned int> Nektar::MultiRegions::GlobalLinSysXxt::m_Aj

protected

Definition at line 44 of file GlobalLinSysXxt.h.

Referenced by Nektar::MultiRegions::GlobalLinSysXxtFull::AssembleMatrixArrays(), and Nektar::MultiRegions::GlobalLinSysXxtStaticCond::v_AssembleSchurComplement().

◆ m_Ar

Array<OneD, double> Nektar::MultiRegions::GlobalLinSysXxt::m_Ar

protected

Definition at line 45 of file GlobalLinSysXxt.h.

Referenced by Nektar::MultiRegions::GlobalLinSysXxtFull::AssembleMatrixArrays(), and Nektar::MultiRegions::GlobalLinSysXxtStaticCond::v_AssembleSchurComplement().

◆ m_crsData

struct Xxt::crs_data* Nektar::MultiRegions::GlobalLinSysXxt::m_crsData

protected

Definition at line 42 of file GlobalLinSysXxt.h.

Referenced by Nektar::MultiRegions::GlobalLinSysXxtFull::AssembleMatrixArrays(), GlobalLinSysXxt(), Nektar::MultiRegions::GlobalLinSysXxtStaticCond::v_AssembleSchurComplement(), v_SolveLinearSystem(), and ~GlobalLinSysXxt().

◆ m_locToGloSignMult

Array<OneD, NekDouble> Nektar::MultiRegions::GlobalLinSysXxt::m_locToGloSignMult

protected

Definition at line 47 of file GlobalLinSysXxt.h.

Referenced by Nektar::MultiRegions::GlobalLinSysXxtFull::CreateMap(), Nektar::MultiRegions::GlobalLinSysXxtStaticCond::CreateMap(), and GlobalToLocalNoSign().

◆ m_map

Array<OneD, int> Nektar::MultiRegions::GlobalLinSysXxt::m_map

protected

Definition at line 49 of file GlobalLinSysXxt.h.

Referenced by Nektar::MultiRegions::GlobalLinSysXxtFull::CreateMap(), Nektar::MultiRegions::GlobalLinSysXxtStaticCond::CreateMap(), GlobalToLocalNoSign(), LocalToGlobalNoSign(), and v_SolveLinearSystem().

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ GlobalLinSysXxt()

◆ ~GlobalLinSysXxt()

Member Function Documentation

◆ GlobalToLocalNoSign()

◆ LocalToGlobalNoSign()

◆ v_SolveLinearSystem()

Member Data Documentation

◆ m_Ai

◆ m_Aj

◆ m_Ar

◆ m_crsData

◆ m_locToGloSignMult

◆ m_map