A global linear system. More...

#include <CommSerial.h>

Inheritance diagram for Nektar::LibUtilities::CommSerial:

Public Member Functions
	CommSerial (int argc, char *argv[])

virtual	~CommSerial () override

Public Member Functions inherited from Nektar::LibUtilities::Comm
	Comm (int narg, char *arg[])

virtual	~Comm ()

void	Finalise ()

int	GetSize () const
	Returns number of processes. More...

int	GetRank ()

const std::string &	GetType () const

void	Block ()
	Block execution until all processes reach this point. More...

NekDouble	Wtime ()
	Return the time in seconds. More...

template<class T >
void	Send (int pProc, T &pData)

template<class T >
void	Recv (int pProc, T &pData)

template<class T >
void	SendRecv (int pSendProc, T &pSendData, int pRecvProc, T &pRecvData)

template<class T >
void	SendRecvReplace (int pSendProc, int pRecvProc, T &pData)

template<class T >
void	AllReduce (T &pData, enum ReduceOperator pOp)

template<class T >
void	AlltoAll (T &pSendData, T &pRecvData)

template<class T1 , class T2 >
void	AlltoAllv (T1 &pSendData, T2 &pSendDataSizeMap, T2 &pSendDataOffsetMap, T1 &pRecvData, T2 &pRecvDataSizeMap, T2 &pRecvDataOffsetMap)

template<class T >
void	AllGather (T &pSendData, T &pRecvData)

template<class T >
void	AllGatherv (T &pSendData, T &pRecvData, Array< OneD, int > &pRecvDataSizeMap, Array< OneD, int > &pRecvDataOffsetMap)

template<class T >
void	AllGatherv (T &pRecvData, Array< OneD, int > &pRecvDataSizeMap, Array< OneD, int > &pRecvDataOffsetMap)

template<class T >
void	Bcast (T &pData, int pRoot)

template<class T >
void	Exscan (T &pData, enum ReduceOperator pOp, T &ans)

template<class T >
T	Gather (int rootProc, T &val)

template<class T >
T	Scatter (int rootProc, T &pData)

template<class T >
void	DistGraphCreateAdjacent (T &sources, T &sourceweights, int reorder)

template<class T1 , class T2 >
void	NeighborAlltoAllv (T1 &pSendData, T2 &pSendDataSizeMap, T2 &pSendDataOffsetMap, T1 &pRecvData, T2 &pRecvDataSizeMap, T2 &pRecvDataOffsetMap)

template<class T >
void	Irsend (int pProc, T &pData, int count, const CommRequestSharedPtr &request, int loc)

template<class T >
void	SendInit (int pProc, T &pData, int count, const CommRequestSharedPtr &request, int loc)

template<class T >
void	Irecv (int pProc, T &pData, int count, const CommRequestSharedPtr &request, int loc)

template<class T >
void	RecvInit (int pProc, T &pData, int count, const CommRequestSharedPtr &request, int loc)

void	StartAll (const CommRequestSharedPtr &request)

void	WaitAll (const CommRequestSharedPtr &request)

CommRequestSharedPtr	CreateRequest (int num)

CommSharedPtr	CommCreateIf (int flag)
	If the flag is non-zero create a new communicator. More...

void	SplitComm (int pRows, int pColumns)
	Splits this communicator into a grid of size pRows*pColumns and creates row and column communicators. By default the communicator is a single row. More...

CommSharedPtr	GetRowComm ()
	Retrieve the row communicator to which this process belongs. More...

CommSharedPtr	GetColumnComm ()
	Retrieve the column communicator to which this process belongs. More...

bool	TreatAsRankZero ()

bool	IsSerial ()

std::tuple< int, int, int >	GetVersion ()

bool	RemoveExistingFiles ()

std::pair< CommSharedPtr, CommSharedPtr >	SplitCommNode ()

Static Public Member Functions
static CommSharedPtr	create (int narg, char *arg[])
	Creates an instance of this class. More...

Static Public Attributes
static std::string	className
	Name of class. More...

Protected Member Functions
virtual void	v_Finalise () final

virtual int	v_GetRank () override

virtual bool	v_TreatAsRankZero () override

virtual bool	v_IsSerial () override

virtual std::tuple< int, int, int >	v_GetVersion () final

virtual void	v_Block () final

virtual NekDouble	v_Wtime () final

virtual void	v_Send (void *buf, int count, CommDataType dt, int dest) final

virtual void	v_Recv (void *buf, int count, CommDataType dt, int source) final

virtual void	v_SendRecv (void sendbuf, int sendcount, CommDataType sendtype, int dest, void recvbuf, int recvcount, CommDataType recvtype, int source) final

virtual void	v_SendRecvReplace (void *buf, int count, CommDataType dt, int pSendProc, int pRecvProc) final

virtual void	v_AllReduce (void *buf, int count, CommDataType dt, enum ReduceOperator pOp) final

virtual void	v_AlltoAll (void sendbuf, int sendcount, CommDataType sendtype, void recvbuf, int recvcount, CommDataType recvtype) final

virtual void	v_AlltoAllv (void sendbuf, int sendcounts[], int sensdispls[], CommDataType sendtype, void recvbuf, int recvcounts[], int rdispls[], CommDataType recvtype) final

virtual void	v_AllGather (void sendbuf, int sendcount, CommDataType sendtype, void recvbuf, int recvcount, CommDataType recvtype) final

virtual void	v_AllGatherv (void sendbuf, int sendcount, CommDataType sendtype, void recvbuf, int recvcounts[], int rdispls[], CommDataType recvtype) final

virtual void	v_AllGatherv (void *recvbuf, int recvcounts[], int rdispls[], CommDataType recvtype) final

virtual void	v_Bcast (void *buffer, int count, CommDataType dt, int root) final

virtual void	v_Exscan (Array< OneD, unsigned long long > &pData, const enum ReduceOperator pOp, Array< OneD, unsigned long long > &ans) final

virtual void	v_Gather (void sendbuf, int sendcount, CommDataType sendtype, void recvbuf, int recvcount, CommDataType recvtype, int root) final

virtual void	v_Scatter (void sendbuf, int sendcount, CommDataType sendtype, void recvbuf, int recvcount, CommDataType recvtype, int root) final

virtual void	v_DistGraphCreateAdjacent (int indegree, const int sources[], const int sourceweights[], int reorder) final

virtual void	v_NeighborAlltoAllv (void sendbuf, int sendcounts[], int sdispls[], CommDataType sendtype, void recvbuf, int recvcounts[], int rdispls[], CommDataType recvtype) final

virtual void	v_Irsend (void *buf, int count, CommDataType dt, int dest, CommRequestSharedPtr request, int loc) final

virtual void	v_SendInit (void *buf, int count, CommDataType dt, int dest, CommRequestSharedPtr request, int loc) final

virtual void	v_Irecv (void *buf, int count, CommDataType dt, int source, CommRequestSharedPtr request, int loc) final

virtual void	v_RecvInit (void *buf, int count, CommDataType dt, int source, CommRequestSharedPtr request, int loc) final

virtual void	v_StartAll (CommRequestSharedPtr request) final

virtual void	v_WaitAll (CommRequestSharedPtr request) final

virtual CommRequestSharedPtr	v_CreateRequest (int num) final

virtual void	v_SplitComm (int pRows, int pColumns) override

virtual CommSharedPtr	v_CommCreateIf (int flag) final

Protected Member Functions inherited from Nektar::LibUtilities::Comm
	Comm ()

virtual bool	v_RemoveExistingFiles ()

virtual std::pair< CommSharedPtr, CommSharedPtr >	v_SplitCommNode ()

Additional Inherited Members
Protected Attributes inherited from Nektar::LibUtilities::Comm
int	m_size
	Number of processes. More...

std::string	m_type
	Type of communication. More...

CommSharedPtr	m_commRow
	Row communicator. More...

CommSharedPtr	m_commColumn
	Column communicator. More...

Detailed Description

A global linear system.

Definition at line 54 of file CommSerial.h.

Constructor & Destructor Documentation

◆ CommSerial()

Nektar::LibUtilities::CommSerial::CommSerial	(	int	argc,
		char *	argv[]
	)

Definition at line 50 of file CommSerial.cpp.

                                              : Comm(argc, argv)
 {
 #ifdef NEKTAR_USING_PETSC
     PetscInitializeNoArguments();
 #endif
     m_size = 1;
     m_type = "Serial";
 }

References Nektar::LibUtilities::Comm::m_size, and Nektar::LibUtilities::Comm::m_type.

◆ ~CommSerial()

Nektar::LibUtilities::CommSerial::~CommSerial ( )

overridevirtualdefault

Member Function Documentation

◆ create()

static CommSharedPtr Nektar::LibUtilities::CommSerial::create	(	int	narg,
		char *	arg[]
	)

inlinestatic

Creates an instance of this class.

Definition at line 58 of file CommSerial.h.

     {
         return MemoryManager<CommSerial>::AllocateSharedPtr(narg, arg);
     }

References Nektar::MemoryManager< DataType >::AllocateSharedPtr().

◆ v_AllGather()

void Nektar::LibUtilities::CommSerial::v_AllGather	(	void *	sendbuf,
		int	sendcount,
		CommDataType	sendtype,
		void *	recvbuf,
		int	recvcount,
		CommDataType	recvtype
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 185 of file CommSerial.cpp.

 {
     boost::ignore_unused(sendbuf, sendcount, sendtype, recvbuf, recvcount,
                          recvtype);
 }

◆ v_AllGatherv() [1/2]

void Nektar::LibUtilities::CommSerial::v_AllGatherv	(	void *	recvbuf,
		int	recvcounts[],
		int	rdispls[],
		CommDataType	recvtype
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 202 of file CommSerial.cpp.

 {
     boost::ignore_unused(recvbuf, recvcounts, rdispls, recvtype);
 }

◆ v_AllGatherv() [2/2]

void Nektar::LibUtilities::CommSerial::v_AllGatherv	(	void *	sendbuf,
		int	sendcount,
		CommDataType	sendtype,
		void *	recvbuf,
		int	recvcounts[],
		int	rdispls[],
		CommDataType	recvtype
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 193 of file CommSerial.cpp.

 {
     boost::ignore_unused(sendbuf, sendcount, sendtype, recvbuf, recvcounts,
                          rdispls, recvtype);
 }

◆ v_AllReduce()

void Nektar::LibUtilities::CommSerial::v_AllReduce	(	void *	buf,
		int	count,
		CommDataType	dt,
		enum ReduceOperator	pOp
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 154 of file CommSerial.cpp.

 {
     boost::ignore_unused(buf, count, dt, pOp);
 }

◆ v_AlltoAll()

void Nektar::LibUtilities::CommSerial::v_AlltoAll	(	void *	sendbuf,
		int	sendcount,
		CommDataType	sendtype,
		void *	recvbuf,
		int	recvcount,
		CommDataType	recvtype
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 163 of file CommSerial.cpp.

 {
     boost::ignore_unused(sendbuf, sendcount, sendtype, recvbuf, recvcount,
                          recvtype);
 }

◆ v_AlltoAllv()

void Nektar::LibUtilities::CommSerial::v_AlltoAllv	(	void *	sendbuf,
		int	sendcounts[],
		int	sensdispls[],
		CommDataType	sendtype,
		void *	recvbuf,
		int	recvcounts[],
		int	rdispls[],
		CommDataType	recvtype
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 173 of file CommSerial.cpp.

 {
     boost::ignore_unused(sendbuf, sendcounts, sdispls, sendtype, recvbuf,
                          recvcounts, rdispls, recvtype);
 }

◆ v_Bcast()

void Nektar::LibUtilities::CommSerial::v_Bcast	(	void *	buffer,
		int	count,
		CommDataType	dt,
		int	root
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 208 of file CommSerial.cpp.

 {
     boost::ignore_unused(buffer, count, dt, root);
 }

◆ v_Block()

void Nektar::LibUtilities::CommSerial::v_Block ( )

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 103 of file CommSerial.cpp.

104 {

105 }

◆ v_CommCreateIf()

CommSharedPtr Nektar::LibUtilities::CommSerial::v_CommCreateIf ( int flag )

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 304 of file CommSerial.cpp.

 {
     if (flag == 0)
     {
         // flag == 0 => get back MPI_COMM_NULL, return a null ptr instead.
         return std::shared_ptr<Comm>();
     }
     else
     {
         // Return a real communicator
         return shared_from_this();
     }
 }

◆ v_CreateRequest()

CommRequestSharedPtr Nektar::LibUtilities::CommSerial::v_CreateRequest ( int num )

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 286 of file CommSerial.cpp.

 {
     boost::ignore_unused(num);
     return std::shared_ptr<CommRequest>(new CommRequest);
 }

◆ v_DistGraphCreateAdjacent()

void Nektar::LibUtilities::CommSerial::v_DistGraphCreateAdjacent	(	int	indegree,
		const int	sources[],
		const int	sourceweights[],
		int	reorder
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 236 of file CommSerial.cpp.

 {
     boost::ignore_unused(indegree, sources, sourceweights, reorder);
 }

◆ v_Exscan()

void Nektar::LibUtilities::CommSerial::v_Exscan	(	Array< OneD, unsigned long long > &	pData,
		const enum ReduceOperator	pOp,
		Array< OneD, unsigned long long > &	ans
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 213 of file CommSerial.cpp.

 {
     boost::ignore_unused(pData, pOp, ans);
 }

◆ v_Finalise()

void Nektar::LibUtilities::CommSerial::v_Finalise ( )

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 64 of file CommSerial.cpp.

 {
 #ifdef NEKTAR_USING_PETSC
     PetscFinalize();
 #endif
 }

◆ v_Gather()

void Nektar::LibUtilities::CommSerial::v_Gather	(	void *	sendbuf,
		int	sendcount,
		CommDataType	sendtype,
		void *	recvbuf,
		int	recvcount,
		CommDataType	recvtype,
		int	root
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 220 of file CommSerial.cpp.

 {
     boost::ignore_unused(recvcount, recvtype, root);
     std::memcpy(recvbuf, sendbuf, sendcount * CommDataTypeGetSize(sendtype));
 }

References Nektar::LibUtilities::CommDataTypeGetSize().

◆ v_GetRank()

int Nektar::LibUtilities::CommSerial::v_GetRank ( void )

overrideprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Reimplemented in Nektar::FieldUtils::FieldConvertComm.

Definition at line 74 of file CommSerial.cpp.

 {
     return 0;
 }

◆ v_GetVersion()

std::tuple< int, int, int > Nektar::LibUtilities::CommSerial::v_GetVersion ( )

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 95 of file CommSerial.cpp.

 {
     return std::make_tuple(0, 0, 0);
 }

◆ v_Irecv()

void Nektar::LibUtilities::CommSerial::v_Irecv	(	void *	buf,
		int	count,
		CommDataType	dt,
		int	source,
		CommRequestSharedPtr	request,
		int	loc
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 264 of file CommSerial.cpp.

 {
     boost::ignore_unused(buf, count, dt, source, request, loc);
 }

References CG_Iterations::loc.

◆ v_Irsend()

void Nektar::LibUtilities::CommSerial::v_Irsend	(	void *	buf,
		int	count,
		CommDataType	dt,
		int	dest,
		CommRequestSharedPtr	request,
		int	loc
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 252 of file CommSerial.cpp.

 {
     boost::ignore_unused(buf, count, dt, dest, request, loc);
 }

References CG_Iterations::loc.

◆ v_IsSerial()

bool Nektar::LibUtilities::CommSerial::v_IsSerial ( void )

overrideprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Reimplemented in Nektar::FieldUtils::FieldConvertComm.

Definition at line 90 of file CommSerial.cpp.

 {
     return true;
 }

◆ v_NeighborAlltoAllv()

void Nektar::LibUtilities::CommSerial::v_NeighborAlltoAllv	(	void *	sendbuf,
		int	sendcounts[],
		int	sdispls[],
		CommDataType	sendtype,
		void *	recvbuf,
		int	recvcounts[],
		int	rdispls[],
		CommDataType	recvtype
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 243 of file CommSerial.cpp.

 {
     boost::ignore_unused(sendbuf, sendcounts, senddispls, sendtype, recvbuf,
                          recvcounts, rdispls, recvtype);
 }

◆ v_Recv()

void Nektar::LibUtilities::CommSerial::v_Recv	(	void *	buf,
		int	count,
		CommDataType	dt,
		int	source
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 126 of file CommSerial.cpp.

 {
     boost::ignore_unused(buf, count, dt, source);
 }

◆ v_RecvInit()

void Nektar::LibUtilities::CommSerial::v_RecvInit	(	void *	buf,
		int	count,
		CommDataType	dt,
		int	source,
		CommRequestSharedPtr	request,
		int	loc
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 270 of file CommSerial.cpp.

 {
     boost::ignore_unused(buf, count, dt, source, request, loc);
 }

References CG_Iterations::loc.

◆ v_Scatter()

void Nektar::LibUtilities::CommSerial::v_Scatter	(	void *	sendbuf,
		int	sendcount,
		CommDataType	sendtype,
		void *	recvbuf,
		int	recvcount,
		CommDataType	recvtype,
		int	root
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 228 of file CommSerial.cpp.

 {
     boost::ignore_unused(recvcount, recvtype, root);
     std::memcpy(recvbuf, sendbuf, sendcount * CommDataTypeGetSize(sendtype));
 }

References Nektar::LibUtilities::CommDataTypeGetSize().

◆ v_Send()

void Nektar::LibUtilities::CommSerial::v_Send	(	void *	buf,
		int	count,
		CommDataType	dt,
		int	dest
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 118 of file CommSerial.cpp.

 {
     boost::ignore_unused(buf, count, dt, dest);
 }

◆ v_SendInit()

void Nektar::LibUtilities::CommSerial::v_SendInit	(	void *	buf,
		int	count,
		CommDataType	dt,
		int	dest,
		CommRequestSharedPtr	request,
		int	loc
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 258 of file CommSerial.cpp.

 {
     boost::ignore_unused(buf, count, dt, dest, request, loc);
 }

References CG_Iterations::loc.

◆ v_SendRecv()

void Nektar::LibUtilities::CommSerial::v_SendRecv	(	void *	sendbuf,
		int	sendcount,
		CommDataType	sendtype,
		int	dest,
		void *	recvbuf,
		int	recvcount,
		CommDataType	recvtype,
		int	source
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 134 of file CommSerial.cpp.

 {
     boost::ignore_unused(sendbuf, sendcount, sendtype, dest, recvbuf, recvcount,
                          recvtype, source);
 }

◆ v_SendRecvReplace()

void Nektar::LibUtilities::CommSerial::v_SendRecvReplace	(	void *	buf,
		int	count,
		CommDataType	dt,
		int	pSendProc,
		int	pRecvProc
	)

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 145 of file CommSerial.cpp.

 {
     boost::ignore_unused(buf, count, dt, pSendProc, pRecvProc);
 }

◆ v_SplitComm()

void Nektar::LibUtilities::CommSerial::v_SplitComm	(	int	pRows,
		int	pColumns
	)

overrideprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Reimplemented in Nektar::FieldUtils::FieldConvertComm.

Definition at line 295 of file CommSerial.cpp.

 {
     boost::ignore_unused(pRows, pColumns);
     ASSERTL0(false, "Cannot split a serial process.");
 }

References ASSERTL0.

◆ v_StartAll()

void Nektar::LibUtilities::CommSerial::v_StartAll ( CommRequestSharedPtr request )

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 281 of file CommSerial.cpp.

 {
     boost::ignore_unused(request);
 }

◆ v_TreatAsRankZero()

bool Nektar::LibUtilities::CommSerial::v_TreatAsRankZero ( void )

overrideprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Reimplemented in Nektar::FieldUtils::FieldConvertComm.

Definition at line 82 of file CommSerial.cpp.

 {
     return true;
 }

◆ v_WaitAll()

void Nektar::LibUtilities::CommSerial::v_WaitAll ( CommRequestSharedPtr request )

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 276 of file CommSerial.cpp.

 {
     boost::ignore_unused(request);
 }

◆ v_Wtime()

NekDouble Nektar::LibUtilities::CommSerial::v_Wtime ( )

finalprotectedvirtual

Implements Nektar::LibUtilities::Comm.

Definition at line 110 of file CommSerial.cpp.

 {
     return 0;
 }

Member Data Documentation

◆ className

std::string Nektar::LibUtilities::CommSerial::className

static

Initial value:

= GetCommFactory().RegisterCreatorFunction(

"Serial", CommSerial::create, "Single-process serial communication.")

Nektar::LibUtilities::CommSerial::create

static CommSharedPtr create(int narg, char *arg[])

Creates an instance of this class.

Definition: CommSerial.h:58

Nektar::LibUtilities::NekFactory::RegisterCreatorFunction

tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, std::string pDesc="")

Register a class with the factory.

Definition: NekFactory.hpp:198

Nektar::LibUtilities::GetCommFactory

CommFactory & GetCommFactory()

Definition: Communication/Comm.cpp:67

Name of class.

Definition at line 64 of file CommSerial.h.

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CommSerial()

◆ ~CommSerial()

Member Function Documentation

◆ create()

◆ v_AllGather()

◆ v_AllGatherv() [1/2]

◆ v_AllGatherv() [2/2]

◆ v_AllReduce()

◆ v_AlltoAll()

◆ v_AlltoAllv()

◆ v_Bcast()

◆ v_Block()

◆ v_CommCreateIf()

◆ v_CreateRequest()

◆ v_DistGraphCreateAdjacent()

◆ v_Exscan()

◆ v_Finalise()

◆ v_Gather()

◆ v_GetRank()

◆ v_GetVersion()

◆ v_Irecv()

◆ v_Irsend()

◆ v_IsSerial()

◆ v_NeighborAlltoAllv()

◆ v_Recv()

◆ v_RecvInit()

◆ v_Scatter()

◆ v_Send()

◆ v_SendInit()

◆ v_SendRecv()

◆ v_SendRecvReplace()

◆ v_SplitComm()

◆ v_StartAll()

◆ v_TreatAsRankZero()

◆ v_WaitAll()

◆ v_Wtime()

Member Data Documentation

◆ className