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| | PetscParVector (MPI_Comm comm, PetscInt glob_size, PetscInt *col=NULL) |
| | Creates vector with given global size and partitioning of the columns.
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| | PetscParVector (MPI_Comm comm, PetscInt glob_size, PetscScalar *data_, PetscInt *col) |
| | Creates vector with given global size, partitioning of the columns, and data.
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| | PetscParVector (const PetscParVector &y) |
| | Creates vector compatible with y.
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| | PetscParVector (MPI_Comm comm, const Vector &x_, bool copy=false) |
| | Creates a PetscParVector from a Vector.
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| | 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.
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| | PetscParVector (const PetscParMatrix &A, bool transpose=false, bool allocate=true) |
| | Creates vector compatible with (i.e. in the domain of) A or A^T.
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| | PetscParVector (petsc::Vec y, bool ref=false) |
| | Creates PetscParVector out of PETSc Vec object.
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| | PetscParVector (ParFiniteElementSpace *pfes) |
| | Create a true dof parallel vector on a given ParFiniteElementSpace.
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| virtual | ~PetscParVector () |
| | Calls PETSc's destroy function.
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| MPI_Comm | GetComm () const |
| | Get the associated MPI communicator.
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| PetscInt | GlobalSize () const |
| | Returns the global number of rows.
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| | operator petsc::Vec () const |
| | Typecasting to PETSc's Vec type.
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| | operator PetscObject () const |
| | Typecasting to PETSc object.
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| Vector * | GlobalVector () const |
| | Returns the global vector in each processor.
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| PetscParVector & | operator= (PetscScalar d) |
| | Set constant values.
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| void | SetBlockSize (PetscInt bs) |
| | Set block size of a vector.
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| PetscParVector & | SetValues (const Array< PetscInt > &, const Array< PetscScalar > &) |
| | Set values in a vector.
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| PetscParVector & | AddValues (const Array< PetscInt > &, const Array< PetscScalar > &) |
| | Add values in a vector.
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| PetscParVector & | operator= (const PetscParVector &y) |
| | Define operators for PETSc vectors.
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| PetscParVector & | operator+= (const PetscParVector &y) |
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| PetscParVector & | operator-= (const PetscParVector &y) |
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| PetscParVector & | operator*= (PetscScalar d) |
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| PetscParVector & | operator+= (PetscScalar d) |
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| void | PlaceArray (PetscScalar *temp_data) |
| | Temporarily replace the data of the PETSc Vec object. To return to the original data array, call ResetArray().
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| void | ResetArray () |
| | Reset the PETSc Vec object to use its default data. Call this method after the use of PlaceArray().
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| void | PlaceMemory (Memory< real_t > &, 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.
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| void | PlaceMemory (const Memory< real_t > &) |
| | This requests read access from where the memory is valid and temporarily replaces the corresponding array used by the PETSc Vec.
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| void | ResetMemory () |
| | Completes the operation started with PlaceMemory.
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| void | UpdateVecFromFlags () |
| | Update PETSc's Vec after having accessed its data via GetMemory()
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| void | Randomize (PetscInt seed=0) |
| | Set random values.
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| void | Print (const char *fname=NULL, bool binary=false) const |
| | Prints the vector (to stdout if fname is NULL)
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| const real_t * | Read (bool=true) const override |
| | Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), on_dev).
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| const real_t * | HostRead () const override |
| | Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), false).
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| real_t * | Write (bool=true) override |
| | Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), on_dev).
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| real_t * | HostWrite () override |
| | Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), false).
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| real_t * | ReadWrite (bool=true) override |
| | Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), on_dev).
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| real_t * | HostReadWrite () override |
| | Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), false).
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| bool | UseDevice () const override |
| | Return the device flag of the Memory object used by the Vector.
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| void | UseDevice (bool) const override |
| | Enable execution of Vector operations using the mfem::Device.
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| | Vector () |
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| | Vector (const Vector &) |
| | Copy constructor. Allocates a new data array and copies the data.
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| | Vector (Vector &&v) |
| | Move constructor. "Steals" data from its argument.
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| | Vector (int s) |
| | Creates vector of size s.
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| | Vector (real_t *data_, int size_) |
| | Creates a vector referencing an array of doubles, owned by someone else.
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| | 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_.
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| | Vector (int size_, MemoryType mt) |
| | Create a Vector of size size_ using MemoryType mt.
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| | 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.
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| template<int N, typename T = real_t> |
| | Vector (const T(&values)[N]) |
| | Create a vector using a braced initializer list.
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| void | Load (std::istream **in, int np, int *dim) |
| | Reads a vector from multiple files.
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| void | Load (std::istream &in, int Size) |
| | Load a vector from an input stream.
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| void | Load (std::istream &in) |
| | Load a vector from an input stream, reading the size from the stream.
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| void | SetSize (int s) |
| | Resize the vector to size s.
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| void | SetSize (int s, MemoryType mt) |
| | Resize the vector to size s using MemoryType mt.
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| void | SetSize (int s, const Vector &v) |
| | Resize the vector to size s using the MemoryType of v.
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| void | SetData (real_t *d) |
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| void | SetDataAndSize (real_t *d, int s) |
| | Set the Vector data and size.
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| void | NewDataAndSize (real_t *d, int s) |
| | Set the Vector data and size, deleting the old data, if owned.
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| void | NewMemoryAndSize (const Memory< real_t > &mem, int s, bool own_mem) |
| | Reset the Vector to use the given external Memory mem and size s.
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| void | MakeRef (Vector &base, int offset, int size) |
| | Reset the Vector to be a reference to a sub-vector of base.
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| void | MakeRef (Vector &base, int offset) |
| | Reset the Vector to be a reference to a sub-vector of base without changing its current size.
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| void | MakeDataOwner () const |
| | Set the Vector data (host pointer) ownership flag.
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| void | Destroy () |
| | Destroy a vector.
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| 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.
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| int | Size () const |
| | Returns the size of the vector.
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| int | Capacity () const |
| | Return the size of the currently allocated data array.
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| real_t * | GetData () const |
| | Return a pointer to the beginning of the Vector data.
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| MFEM_DEPRECATED | operator real_t * () |
| | Conversion to double *. Deprecated.
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| MFEM_DEPRECATED | operator const real_t * () const |
| | Conversion to const double *. Deprecated.
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| real_t * | begin () |
| | STL-like begin.
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| real_t * | end () |
| | STL-like end.
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| const real_t * | begin () const |
| | STL-like begin (const version).
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| const real_t * | end () const |
| | STL-like end (const version).
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| Memory< real_t > & | GetMemory () |
| | Return a reference to the Memory object used by the Vector.
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| const Memory< real_t > & | GetMemory () const |
| | Return a reference to the Memory object used by the Vector, const version.
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| void | SyncMemory (const Vector &v) const |
| | Update the memory location of the vector to match v.
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| void | SyncAliasMemory (const Vector &v) const |
| | Update the alias memory location of the vector to match v.
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| bool | OwnsData () const |
| | Read the Vector data (host pointer) ownership flag.
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| void | StealData (real_t **p) |
| | Changes the ownership of the data; after the call the Vector is empty.
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| real_t * | StealData () |
| | Changes the ownership of the data; after the call the Vector is empty.
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| real_t & | Elem (int i) |
| | Access Vector entries. Index i = 0 .. size-1.
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| const real_t & | Elem (int i) const |
| | Read only access to Vector entries. Index i = 0 .. size-1.
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| real_t & | operator() (int i) |
| | Access Vector entries using () for 0-based indexing.
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| const real_t & | operator() (int i) const |
| | Read only access to Vector entries using () for 0-based indexing.
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| real_t & | operator[] (int i) |
| | Access Vector entries using [] for 0-based indexing.
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| const real_t & | operator[] (int i) const |
| | Read only access to Vector entries using [] for 0-based indexing.
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| real_t | operator* (const real_t *) const |
| | Dot product with a double * array.
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| real_t | operator* (const Vector &v) const |
| | Return the inner-product.
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| Vector & | operator= (const real_t *v) |
| | Copy Size() entries from v.
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| Vector & | operator= (const Vector &v) |
| | Copy assignment.
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| Vector & | operator= (Vector &&v) |
| | Move assignment.
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| Vector & | operator= (real_t value) |
| | Redefine '=' for vector = constant.
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| Vector & | operator*= (real_t c) |
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| Vector & | operator*= (const Vector &v) |
| | Component-wise scaling: (*this)(i) *= v(i)
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| Vector & | operator/= (real_t c) |
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| Vector & | operator/= (const Vector &v) |
| | Component-wise division: (*this)(i) /= v(i)
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| Vector & | operator-= (real_t c) |
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| Vector & | operator-= (const Vector &v) |
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| Vector & | operator+= (real_t c) |
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| Vector & | operator+= (const Vector &v) |
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| Vector & | Add (const real_t a, const Vector &Va) |
| | (*this) += a * Va
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| Vector & | Set (const real_t a, const Vector &x) |
| | (*this) = a * x
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| void | SetVector (const Vector &v, int offset) |
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| void | AddSubVector (const Vector &v, int offset) |
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| void | Neg () |
| | (*this) = -(*this)
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| void | Reciprocal () |
| | (*this)(i) = 1.0 / (*this)(i)
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| void | Swap (Vector &other) |
| | Swap the contents of two Vectors.
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| void | cross3D (const Vector &vin, Vector &vout) const |
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| void | median (const Vector &lo, const Vector &hi) |
| | v = median(v,lo,hi) entrywise. Implementation assumes lo <= hi.
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| void | GetSubVector (const Array< int > &dofs, Vector &elemvect) const |
| | Extract entries listed in dofs to the output Vector elemvect.
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| void | GetSubVector (const Array< int > &dofs, real_t *elem_data) const |
| | Extract entries listed in dofs to the output array elem_data.
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| void | SetSubVector (const Array< int > &dofs, const real_t value) |
| | Set the entries listed in dofs to the given value.
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| 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.
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| void | SetSubVector (const Array< int > &dofs, real_t *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.
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| 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.
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| void | AddElementVector (const Array< int > &dofs, real_t *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.
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| void | AddElementVector (const Array< int > &dofs, const real_t 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 -a*val from elemvect.
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| void | SetSubVectorComplement (const Array< int > &dofs, const real_t val) |
| | Set all vector entries NOT in the dofs Array to the given val.
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| void | Print (std::ostream &out=mfem::out, int width=8) const |
| | Prints vector to stream out.
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| void | Print (adios2stream &out, const std::string &variable_name) const |
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| void | Print_HYPRE (std::ostream &out) const |
| | Prints vector to stream out in HYPRE_Vector format.
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| void | PrintHash (std::ostream &out) const |
| | Print the Vector size and hash of its data.
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| void | Randomize (int seed=0) |
| | Set random values in the vector.
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| real_t | Norml2 () const |
| | Returns the l2 norm of the vector.
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| real_t | Normlinf () const |
| | Returns the l_infinity norm of the vector.
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| real_t | Norml1 () const |
| | Returns the l_1 norm of the vector.
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| real_t | Normlp (real_t p) const |
| | Returns the l_p norm of the vector.
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| real_t | Max () const |
| | Returns the maximal element of the vector.
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| real_t | Min () const |
| | Returns the minimal element of the vector.
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| real_t | Sum () const |
| | Return the sum of the vector entries.
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| real_t | DistanceSquaredTo (const real_t *p) const |
| | Compute the square of the Euclidean distance to another vector.
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| real_t | DistanceSquaredTo (const Vector &p) const |
| | Compute the square of the Euclidean distance to another vector.
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| real_t | DistanceTo (const real_t *p) const |
| | Compute the Euclidean distance to another vector.
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| real_t | DistanceTo (const Vector &p) const |
| | Compute the Euclidean distance to another vector.
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| 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.
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| virtual | ~Vector () |
| | Destroys vector.
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Public Member Functions inherited from mfem::Vector
1.11.0