#include <petsc.hpp>

Inheritance diagram for mfem::PetscParVector:

Collaboration diagram for mfem::PetscParVector:

Public Member Functions
	PetscParVector (MPI_Comm comm, PetscInt glob_size, PetscInt *col=NULL)
	Creates vector with given global size and partitioning of the columns. More...

	PetscParVector (MPI_Comm comm, PetscInt glob_size, PetscScalar data_, PetscInt col)
	Creates vector with given global size, partitioning of the columns, and data. More...

	PetscParVector (const PetscParVector &y)
	Creates vector compatible with y. More...

	PetscParVector (MPI_Comm comm, const Vector &x_, bool copy=false)
	Creates a PetscParVector from a Vector. More...

	PetscParVector (MPI_Comm comm, const Operator &op, bool transpose=false, bool allocate=true)
	Creates vector compatible with the Operator (i.e. in the domain of) op or its adjoint. More...

	PetscParVector (const PetscParMatrix &A, bool transpose=false, bool allocate=true)
	Creates vector compatible with (i.e. in the domain of) A or A^T. More...

	PetscParVector (petsc::Vec y, bool ref=false)
	Creates PetscParVector out of PETSc Vec object. More...

	PetscParVector (ParFiniteElementSpace *pfes)
	Create a true dof parallel vector on a given ParFiniteElementSpace. More...

virtual	~PetscParVector ()
	Calls PETSc's destroy function. More...

MPI_Comm	GetComm () const
	Get the associated MPI communicator. More...

PetscInt	GlobalSize () const
	Returns the global number of rows. More...

	operator petsc::Vec () const
	Typecasting to PETSc's Vec type. More...

	operator PetscObject () const
	Typecasting to PETSc object. More...

Vector *	GlobalVector () const
	Returns the global vector in each processor. More...

PetscParVector &	operator= (PetscScalar d)
	Set constant values. More...

void	SetBlockSize (PetscInt bs)
	Set block size of a vector. More...

PetscParVector &	SetValues (const Array< PetscInt > &, const Array< PetscScalar > &)
	Set values in a vector. More...

PetscParVector &	AddValues (const Array< PetscInt > &, const Array< PetscScalar > &)
	Add values in a vector. More...

PetscParVector &	operator= (const PetscParVector &y)
	Define operators for PETSc vectors. More...

PetscParVector &	operator+= (const PetscParVector &y)

PetscParVector &	operator-= (const PetscParVector &y)

PetscParVector &	operator*= (PetscScalar d)

PetscParVector &	operator+= (PetscScalar d)

void	PlaceArray (PetscScalar *temp_data)
	Temporarily replace the data of the PETSc Vec object. To return to the original data array, call ResetArray(). More...

void	ResetArray ()
	Reset the PETSc Vec object to use its default data. Call this method after the use of PlaceArray(). More...

void	PlaceMemory (Memory< double > &, bool=false)
	This requests write access from where the memory is valid and temporarily replaces the corresponding array used by the PETSc Vec The bool parameter indicates read/write request. More...

void	PlaceMemory (const Memory< double > &)
	This requests read access from where the memory is valid and temporarily replaces the corresponding array used by the PETSc Vec. More...

void	ResetMemory ()
	Completes the operation started with PlaceMemory. More...

void	UpdateVecFromFlags ()
	Update PETSc's Vec after having accessed its data via GetMemory() More...

void	Randomize (PetscInt seed=0)
	Set random values. More...

void	Print (const char *fname=NULL, bool binary=false) const
	Prints the vector (to stdout if fname is NULL) More...

const double *	Read (bool=true) const override
	Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), on_dev). More...

const double *	HostRead () const override
	Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), false). More...

double *	Write (bool=true) override
	Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), on_dev). More...

double *	HostWrite () override
	Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), false). More...

double *	ReadWrite (bool=true) override
	Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), on_dev). More...

double *	HostReadWrite () override
	Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), false). More...

bool	UseDevice () const override
	Return the device flag of the Memory object used by the Vector. More...

void	UseDevice (bool) const override
	Enable execution of Vector operations using the mfem::Device. More...

Public Member Functions inherited from mfem::Vector
	Vector ()

	Vector (const Vector &)
	Copy constructor. Allocates a new data array and copies the data. More...

	Vector (Vector &&v)
	Move constructor. "Steals" data from its argument. More...

	Vector (int s)
	Creates vector of size s. More...

	Vector (double *data_, int size_)
	Creates a vector referencing an array of doubles, owned by someone else. More...

	Vector (Vector &base, int base_offset, int size_)
	Create a Vector referencing a sub-vector of the Vector base starting at the given offset, base_offset, and size size_. More...

	Vector (int size_, MemoryType mt)
	Create a Vector of size size_ using MemoryType mt. More...

	Vector (int size_, MemoryType h_mt, MemoryType d_mt)
	Create a Vector of size size_ using host MemoryType h_mt and device MemoryType d_mt. More...

template<int N>
	Vector (const double(&values)[N])
	Create a vector using a braced initializer list. More...

void	Load (std::istream *in, int np, int dim)
	Reads a vector from multiple files. More...

void	Load (std::istream &in, int Size)
	Load a vector from an input stream. More...

void	Load (std::istream &in)
	Load a vector from an input stream, reading the size from the stream. More...

void	SetSize (int s)
	Resize the vector to size s. More...

void	SetSize (int s, MemoryType mt)
	Resize the vector to size s using MemoryType mt. More...

void	SetSize (int s, const Vector &v)
	Resize the vector to size s using the MemoryType of v. More...

void	SetData (double *d)

void	SetDataAndSize (double *d, int s)
	Set the Vector data and size. More...

void	NewDataAndSize (double *d, int s)
	Set the Vector data and size, deleting the old data, if owned. More...

void	NewMemoryAndSize (const Memory< double > &mem, int s, bool own_mem)
	Reset the Vector to use the given external Memory mem and size s. More...

void	MakeRef (Vector &base, int offset, int size)
	Reset the Vector to be a reference to a sub-vector of base. More...

void	MakeRef (Vector &base, int offset)
	Reset the Vector to be a reference to a sub-vector of base without changing its current size. More...

void	MakeDataOwner () const
	Set the Vector data (host pointer) ownership flag. More...

void	Destroy ()
	Destroy a vector. More...

void	DeleteDevice (bool copy_to_host=true)
	Delete the device pointer, if owned. If copy_to_host is true and the data is valid only on device, move it to host before deleting. Invalidates the device memory. More...

int	Size () const
	Returns the size of the vector. More...

int	Capacity () const
	Return the size of the currently allocated data array. More...

double *	GetData () const
	Return a pointer to the beginning of the Vector data. More...

MFEM_DEPRECATED	operator double * ()
	Conversion to `double *`. Deprecated. More...

MFEM_DEPRECATED	operator const double * () const
	Conversion to `const double *`. Deprecated. More...

double *	begin ()
	STL-like begin. More...

double *	end ()
	STL-like end. More...

const double *	begin () const
	STL-like begin (const version). More...

const double *	end () const
	STL-like end (const version). More...

Memory< double > &	GetMemory ()
	Return a reference to the Memory object used by the Vector. More...

const Memory< double > &	GetMemory () const
	Return a reference to the Memory object used by the Vector, const version. More...

void	SyncMemory (const Vector &v) const
	Update the memory location of the vector to match v. More...

void	SyncAliasMemory (const Vector &v) const
	Update the alias memory location of the vector to match v. More...

bool	OwnsData () const
	Read the Vector data (host pointer) ownership flag. More...

void	StealData (double **p)
	Changes the ownership of the data; after the call the Vector is empty. More...

double *	StealData ()
	Changes the ownership of the data; after the call the Vector is empty. More...

double &	Elem (int i)
	Access Vector entries. Index i = 0 .. size-1. More...

const double &	Elem (int i) const
	Read only access to Vector entries. Index i = 0 .. size-1. More...

double &	operator() (int i)
	Access Vector entries using () for 0-based indexing. More...

const double &	operator() (int i) const
	Read only access to Vector entries using () for 0-based indexing. More...

double &	operator[] (int i)
	Access Vector entries using [] for 0-based indexing. More...

const double &	operator[] (int i) const
	Read only access to Vector entries using [] for 0-based indexing. More...

double	operator* (const double *) const
	Dot product with a `double *` array. More...

double	operator* (const Vector &v) const
	Return the inner-product. More...

Vector &	operator= (const double *v)
	Copy Size() entries from v. More...

Vector &	operator= (const Vector &v)
	Copy assignment. More...

Vector &	operator= (Vector &&v)
	Move assignment. More...

Vector &	operator= (double value)
	Redefine '=' for vector = constant. More...

Vector &	operator*= (double c)

Vector &	operator*= (const Vector &v)
	Component-wise scaling: (this)(i) = v(i) More...

Vector &	operator/= (double c)

Vector &	operator/= (const Vector &v)
	Component-wise division: (*this)(i) /= v(i) More...

Vector &	operator-= (double c)

Vector &	operator-= (const Vector &v)

Vector &	operator+= (double c)

Vector &	operator+= (const Vector &v)

Vector &	Add (const double a, const Vector &Va)
	(this) += a Va More...

Vector &	Set (const double a, const Vector &x)
	(this) = a x More...

void	SetVector (const Vector &v, int offset)

void	AddSubVector (const Vector &v, int offset)

void	Neg ()
	(this) = -(this) More...

void	Reciprocal ()
	(this)(i) = 1.0 / (this)(i) More...

void	Swap (Vector &other)
	Swap the contents of two Vectors. More...

void	cross3D (const Vector &vin, Vector &vout) const

void	median (const Vector &lo, const Vector &hi)
	v = median(v,lo,hi) entrywise. Implementation assumes lo <= hi. More...

void	GetSubVector (const Array< int > &dofs, Vector &elemvect) const
	Extract entries listed in dofs to the output Vector elemvect. More...

void	GetSubVector (const Array< int > &dofs, double *elem_data) const
	Extract entries listed in dofs to the output array elem_data. More...

void	SetSubVector (const Array< int > &dofs, const double value)
	Set the entries listed in dofs to the given value. More...

void	SetSubVector (const Array< int > &dofs, const Vector &elemvect)
	Set the entries listed in dofs to the values given in the elemvect Vector. Negative dof values cause the -dof-1 position in this Vector to receive the -val from elemvect. More...

void	SetSubVector (const Array< int > &dofs, double *elem_data)
	Set the entries listed in dofs to the values given the , elem_data array. Negative dof values cause the -dof-1 position in this Vector to receive the -val from elem_data. More...

void	AddElementVector (const Array< int > &dofs, const Vector &elemvect)
	Add elements of the elemvect Vector to the entries listed in dofs. Negative dof values cause the -dof-1 position in this Vector to add the -val from elemvect. More...

void	AddElementVector (const Array< int > &dofs, double *elem_data)
	Add elements of the elem_data array to the entries listed in dofs. Negative dof values cause the -dof-1 position in this Vector to add the -val from elem_data. More...

void	AddElementVector (const Array< int > &dofs, const double a, const Vector &elemvect)
	Add times the elements of the elemvect Vector to the entries listed in dofs. Negative dof values cause the -dof-1 position in this Vector to add the -aval from elemvect*. More...

void	SetSubVectorComplement (const Array< int > &dofs, const double val)
	Set all vector entries NOT in the dofs Array to the given val. More...

void	Print (std::ostream &out=mfem::out, int width=8) const
	Prints vector to stream out. More...

void	Print (adios2stream &out, const std::string &variable_name) const

void	Print_HYPRE (std::ostream &out) const
	Prints vector to stream out in HYPRE_Vector format. More...

void	PrintHash (std::ostream &out) const
	Print the Vector size and hash of its data. More...

void	Randomize (int seed=0)
	Set random values in the vector. More...

double	Norml2 () const
	Returns the l2 norm of the vector. More...

double	Normlinf () const
	Returns the l_infinity norm of the vector. More...

double	Norml1 () const
	Returns the l_1 norm of the vector. More...

double	Normlp (double p) const
	Returns the l_p norm of the vector. More...

double	Max () const
	Returns the maximal element of the vector. More...

double	Min () const
	Returns the minimal element of the vector. More...

double	Sum () const
	Return the sum of the vector entries. More...

double	DistanceSquaredTo (const double *p) const
	Compute the square of the Euclidean distance to another vector. More...

double	DistanceSquaredTo (const Vector &p) const
	Compute the square of the Euclidean distance to another vector. More...

double	DistanceTo (const double *p) const
	Compute the Euclidean distance to another vector. More...

double	DistanceTo (const Vector &p) const
	Compute the Euclidean distance to another vector. More...

int	CheckFinite () const
	Count the number of entries in the Vector for which isfinite is false, i.e. the entry is a NaN or +/-Inf. More...

virtual	~Vector ()
	Destroys vector. More...

Protected Member Functions
void	SetDataAndSize_ ()

void	SetVecType_ ()

void	SetFlagsFromMask_ () const

Protected Attributes
petsc::Vec	x
	The actual PETSc object. More...

PetscMemory	pdata

Protected Attributes inherited from mfem::Vector
Memory< double >	data

int	size

Friends
class	PetscParMatrix

class	PetscODESolver

class	PetscLinearSolver

class	PetscPreconditioner

class	PetscNonlinearSolver

class	PetscBDDCSolver

Detailed Description

Definition at line 153 of file petsc.hpp.

Constructor & Destructor Documentation

◆ PetscParVector() [1/8]

mfem::PetscParVector::PetscParVector	(	MPI_Comm	comm,
		PetscInt	glob_size,
		PetscInt *	col = `NULL`
	)

Creates vector with given global size and partitioning of the columns.

If col is provided, processor P owns columns [col[P],col[P+1]). Otherwise, PETSc decides the partitioning

Definition at line 578 of file petsc.cpp.

◆ PetscParVector() [2/8]

mfem::PetscParVector::PetscParVector	(	MPI_Comm	comm,
		PetscInt	glob_size,
		PetscScalar *	data_,
		PetscInt *	col
	)

Creates vector with given global size, partitioning of the columns, and data.

The data must be allocated and destroyed outside. If data_ is NULL, a dummy vector without a valid data array will be created.

Definition at line 603 of file petsc.cpp.

◆ PetscParVector() [3/8]

mfem::PetscParVector::PetscParVector ( const PetscParVector & y )

Creates vector compatible with y.

Definition at line 615 of file petsc.cpp.

◆ PetscParVector() [4/8]

mfem::PetscParVector::PetscParVector	(	MPI_Comm	comm,
		const Vector &	x_,
		bool	copy = `false`
	)

Creates a PetscParVector from a Vector.

Parameters

[in]	comm	MPI communicator on which the new object lives
[in]	x_	The mfem Vector (data is not shared)
[in]	copy	Whether to copy the data in x_ or not

Definition at line 529 of file petsc.cpp.

◆ PetscParVector() [5/8]

mfem::PetscParVector::PetscParVector	(	MPI_Comm	comm,
		const Operator &	op,
		bool	transpose = `false`,
		bool	allocate = `true`
	)

explicit

Creates vector compatible with the Operator (i.e. in the domain of) op or its adjoint.

The argument allocate determines if the memory is actually allocated to store the data.

Definition at line 621 of file petsc.cpp.

◆ PetscParVector() [6/8]

mfem::PetscParVector::PetscParVector	(	const PetscParMatrix &	A,
		bool	transpose = `false`,
		bool	allocate = `true`
	)

explicit

Creates vector compatible with (i.e. in the domain of) A or A^T.

The argument allocate determines if the memory is actually allocated to store the data.

Definition at line 642 of file petsc.cpp.

◆ PetscParVector() [7/8]

mfem::PetscParVector::PetscParVector	(	petsc::Vec	y,
		bool	ref = `false`
	)

explicit

Creates PetscParVector out of PETSc Vec object.

Parameters

[in]	y	The PETSc Vec object.
[in]	ref	If true, we increase the reference count of y.

Definition at line 667 of file petsc.cpp.

◆ PetscParVector() [8/8]

mfem::PetscParVector::PetscParVector ( ParFiniteElementSpace * pfes )

explicit

Create a true dof parallel vector on a given ParFiniteElementSpace.

Definition at line 677 of file petsc.cpp.

◆ ~PetscParVector()

mfem::PetscParVector::~PetscParVector ( )

virtual

Calls PETSc's destroy function.

Definition at line 596 of file petsc.cpp.

Member Function Documentation

◆ AddValues()

PetscParVector & mfem::PetscParVector::AddValues	(	const Array< PetscInt > &	idx,
		const Array< PetscScalar > &	vals
	)

Add values in a vector.

Note: Any process can add to any location.; This is a collective operation, so all processes need to call it.

Definition at line 745 of file petsc.cpp.

◆ GetComm()

MPI_Comm mfem::PetscParVector::GetComm ( ) const

Get the associated MPI communicator.

Definition at line 694 of file petsc.cpp.

◆ GlobalSize()

PetscInt mfem::PetscParVector::GlobalSize ( ) const

Returns the global number of rows.

Definition at line 517 of file petsc.cpp.

◆ GlobalVector()

Vector * mfem::PetscParVector::GlobalVector ( ) const

Returns the global vector in each processor.

Definition at line 699 of file petsc.cpp.

◆ HostRead()

const double * mfem::PetscParVector::HostRead ( ) const

overridevirtual

Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), false).

Reimplemented from mfem::Vector.

Definition at line 435 of file petsc.cpp.

◆ HostReadWrite()

double * mfem::PetscParVector::HostReadWrite ( )

overridevirtual

Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), false).

Reimplemented from mfem::Vector.

Definition at line 495 of file petsc.cpp.

◆ HostWrite()

double * mfem::PetscParVector::HostWrite ( )

overridevirtual

Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), false).

Reimplemented from mfem::Vector.

Definition at line 465 of file petsc.cpp.

◆ operator petsc::Vec()

mfem::PetscParVector::operator petsc::Vec ( ) const

inline

Typecasting to PETSc's Vec type.

Definition at line 231 of file petsc.hpp.

◆ operator PetscObject()

mfem::PetscParVector::operator PetscObject ( ) const

inline

Typecasting to PETSc object.

Definition at line 234 of file petsc.hpp.

◆ operator*=()

PetscParVector & mfem::PetscParVector::operator*= ( PetscScalar d )

Definition at line 780 of file petsc.cpp.

◆ operator+=() [1/2]

PetscParVector & mfem::PetscParVector::operator+= ( const PetscParVector & y )

Definition at line 766 of file petsc.cpp.

◆ operator+=() [2/2]

PetscParVector & mfem::PetscParVector::operator+= ( PetscScalar d )

Definition at line 787 of file petsc.cpp.

◆ operator-=()

PetscParVector & mfem::PetscParVector::operator-= ( const PetscParVector & y )

Definition at line 773 of file petsc.cpp.

◆ operator=() [1/2]

PetscParVector & mfem::PetscParVector::operator= ( PetscScalar d )

Set constant values.

Definition at line 724 of file petsc.cpp.

◆ operator=() [2/2]

PetscParVector & mfem::PetscParVector::operator= ( const PetscParVector & y )

Define operators for PETSc vectors.

Definition at line 759 of file petsc.cpp.

◆ PlaceArray()

void mfem::PetscParVector::PlaceArray ( PetscScalar * temp_data )

Temporarily replace the data of the PETSc Vec object. To return to the original data array, call ResetArray().

Note: This method calls PETSc's VecPlaceArray() function.; The inherited Vector::data pointer is not affected by this call.

Definition at line 794 of file petsc.cpp.

◆ PlaceMemory() [1/2]

void mfem::PetscParVector::PlaceMemory	(	Memory< double > &	mem,
		bool	rw = `false`
	)

This requests write access from where the memory is valid and temporarily replaces the corresponding array used by the PETSc Vec The bool parameter indicates read/write request.

Definition at line 804 of file petsc.cpp.

◆ PlaceMemory() [2/2]

void mfem::PetscParVector::PlaceMemory ( const Memory< double > & mem )

This requests read access from where the memory is valid and temporarily replaces the corresponding array used by the PETSc Vec.

Definition at line 847 of file petsc.cpp.

◆ Print()

void mfem::PetscParVector::Print	(	const char *	fname = `NULL`,
		bool	binary = `false`
	)		const

Prints the vector (to stdout if fname is NULL)

Definition at line 949 of file petsc.cpp.

◆ Randomize()

void mfem::PetscParVector::Randomize ( PetscInt seed = 0 )

Set random values.

Definition at line 934 of file petsc.cpp.

◆ Read()

const double * mfem::PetscParVector::Read ( bool on_dev = true ) const

overridevirtual

Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), on_dev).

Reimplemented from mfem::Vector.

Definition at line 411 of file petsc.cpp.

◆ ReadWrite()

double * mfem::PetscParVector::ReadWrite ( bool on_dev = true )

overridevirtual

Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), on_dev).

Reimplemented from mfem::Vector.

Definition at line 470 of file petsc.cpp.

◆ ResetArray()

void mfem::PetscParVector::ResetArray ( )

Reset the PETSc Vec object to use its default data. Call this method after the use of PlaceArray().

Note: This method calls PETSc's VecResetArray() function.

Definition at line 799 of file petsc.cpp.

◆ ResetMemory()

void mfem::PetscParVector::ResetMemory ( )

Completes the operation started with PlaceMemory.

Definition at line 890 of file petsc.cpp.

◆ SetBlockSize()

void mfem::PetscParVector::SetBlockSize ( PetscInt bs )

Set block size of a vector.

Note: This will error if the local size of the vector is not a multiple of the block size bs.; This is a logically collective operation, so all processes need to call it.

Definition at line 524 of file petsc.cpp.

◆ SetDataAndSize_()

void mfem::PetscParVector::SetDataAndSize_ ( )

protected

Definition at line 267 of file petsc.cpp.

◆ SetFlagsFromMask_()

void mfem::PetscParVector::SetFlagsFromMask_ ( ) const

protected

Definition at line 323 of file petsc.cpp.

◆ SetValues()

PetscParVector & mfem::PetscParVector::SetValues	(	const Array< PetscInt > &	idx,
		const Array< PetscScalar > &	vals
	)

Set values in a vector.

Note: Any process can insert in any location.; This is a collective operation, so all processes need to call it.

Definition at line 731 of file petsc.cpp.

◆ SetVecType_()

void mfem::PetscParVector::SetVecType_ ( )

protected

Definition at line 387 of file petsc.cpp.

◆ UpdateVecFromFlags()

void mfem::PetscParVector::UpdateVecFromFlags ( )

Update PETSc's Vec after having accessed its data via GetMemory()

Definition at line 357 of file petsc.cpp.

◆ UseDevice() [1/2]

bool mfem::PetscParVector::UseDevice ( ) const

overridevirtual

Return the device flag of the Memory object used by the Vector.

Reimplemented from mfem::Vector.

Definition at line 509 of file petsc.cpp.

◆ UseDevice() [2/2]

void mfem::PetscParVector::UseDevice ( bool use_dev ) const

overridevirtual

Enable execution of Vector operations using the mfem::Device.

The default is to use Backend::CPU (serial execution on each MPI rank), regardless of the mfem::Device configuration.

When appropriate, MFEM functions and class methods will enable the use of the mfem::Device for their Vector parameters.

Some derived classes, e.g. GridFunction, enable the use of the mfem::Device by default.

Reimplemented from mfem::Vector.

Definition at line 500 of file petsc.cpp.

◆ Write()

double * mfem::PetscParVector::Write ( bool on_dev = true )

overridevirtual

Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), on_dev).

Reimplemented from mfem::Vector.

Definition at line 440 of file petsc.cpp.

Friends And Related Function Documentation

◆ PetscBDDCSolver

friend class PetscBDDCSolver

friend

Definition at line 166 of file petsc.hpp.

◆ PetscLinearSolver

friend class PetscLinearSolver

friend

Definition at line 163 of file petsc.hpp.

◆ PetscNonlinearSolver

friend class PetscNonlinearSolver

friend

Definition at line 165 of file petsc.hpp.

◆ PetscODESolver

friend class PetscODESolver

friend

Definition at line 162 of file petsc.hpp.

◆ PetscParMatrix

friend class PetscParMatrix

friend

Definition at line 161 of file petsc.hpp.

◆ PetscPreconditioner

friend class PetscPreconditioner

friend

Definition at line 164 of file petsc.hpp.

Member Data Documentation

◆ pdata

PetscMemory mfem::PetscParVector::pdata

mutableprotected

Definition at line 159 of file petsc.hpp.

◆ x

petsc::Vec mfem::PetscParVector::x

protected

The actual PETSc object.

Definition at line 157 of file petsc.hpp.

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

linalg/petsc.hpp
linalg/petsc.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ PetscParVector() [1/8]

◆ PetscParVector() [2/8]

◆ PetscParVector() [3/8]

◆ PetscParVector() [4/8]

◆ PetscParVector() [5/8]

◆ PetscParVector() [6/8]

◆ PetscParVector() [7/8]

◆ PetscParVector() [8/8]

◆ ~PetscParVector()

Member Function Documentation

◆ AddValues()

◆ GetComm()

◆ GlobalSize()

◆ GlobalVector()

◆ HostRead()

◆ HostReadWrite()

◆ HostWrite()

◆ operator petsc::Vec()

◆ operator PetscObject()

◆ operator*=()

◆ operator+=() [1/2]

◆ operator+=() [2/2]

◆ operator-=()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ PlaceArray()

◆ PlaceMemory() [1/2]

◆ PlaceMemory() [2/2]

◆ Print()

◆ Randomize()

◆ Read()

◆ ReadWrite()

◆ ResetArray()

◆ ResetMemory()

◆ SetBlockSize()

◆ SetDataAndSize_()

◆ SetFlagsFromMask_()

◆ SetValues()

◆ SetVecType_()

◆ UpdateVecFromFlags()

◆ UseDevice() [1/2]

◆ UseDevice() [2/2]

◆ Write()

Friends And Related Function Documentation

◆ PetscBDDCSolver

◆ PetscLinearSolver

◆ PetscNonlinearSolver

◆ PetscODESolver

◆ PetscParMatrix

◆ PetscPreconditioner

Member Data Documentation

◆ pdata

◆ x