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NOX::Petsc::Vector Class Reference

Implementation of NOX::Abstract::Vector for Petsc vectors. More...

#include <NOX_Petsc_Vector.H>

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Public Member Functions

 Vector (const Vec &source, CopyType type=DeepCopy)
 Construct by copying map and/or elements of a Petsc Vec.
 
 Vector (const Vec &source, std::string name="Unnamed", CopyType type=DeepCopy)
 Construct by copying map and/or elements of a Petsc Vec.
 
 Vector (const Vector &source, CopyType type=DeepCopy)
 Construct by copying a NOX::Petsc::Vector.
 
 ~Vector ()
 Destruct Vector.
 
virtual NOX::size_type length () const
 Return the length of vector. More...
 
std::string Name ()
 
virtual Vec & getPetscVector ()
 Get reference to underlying Petsc vector.
 
virtual const Vec & getPetscVector () const
 Get const reference to underlying Petsc vector.
 
virtual Abstract::Vectorinit (double value)
 Initialize every element of this vector with gamma. More...
 
virtual Abstract::Vectoroperator= (const Vec &source)
 Copies source vector into "this".
 
virtual Abstract::Vectoroperator= (const Vector &source)
 
virtual Abstract::Vectoroperator= (const Abstract::Vector &source)
 See above.
 
virtual Abstract::Vectorabs (const Vector &source)
 
virtual Abstract::Vectorabs (const Abstract::Vector &source)
 See above.
 
virtual Abstract::Vectorrandom (bool useSeed=false, int seed=1)
 Initialize each element of this vector with a random value. More...
 
virtual Abstract::Vectorreciprocal (const Vector &source)
 
virtual Abstract::Vectorreciprocal (const Abstract::Vector &source)
 See above.
 
virtual Abstract::Vectorscale (double gammaval)
 Scale each element of this vector by gamma. More...
 
virtual Abstract::Vectorscale (const Vector &a)
 
virtual Abstract::Vectorscale (const Abstract::Vector &a)
 See above.
 
virtual Abstract::Vectorupdate (double alpha, const Vector &a, double gammaval=0.0)
 
virtual Abstract::Vectorupdate (double alpha, const Abstract::Vector &a, double gammaval=0.0)
 See above.
 
virtual Abstract::Vectorupdate (double alpha, const Vector &a, double beta, const Vector &b, double gammaval=0.0)
 
virtual Abstract::Vectorupdate (double alpha, const Abstract::Vector &a, double beta, const Abstract::Vector &b, double gammaval=0.0)
 See above.
 
virtual Teuchos::RCP
< NOX::Abstract::Vector
clone (CopyType type=DeepCopy) const
 Create a new Vector of the same underlying type by cloning "this", and return a pointer to the new vector. More...
 
virtual double norm (Abstract::Vector::NormType type=TwoNorm) const
 Norm. More...
 
virtual double norm (const Vector &weights) const
 
virtual double norm (const Abstract::Vector &weights) const
 See above.
 
virtual double innerProduct (const Vector &y) const
 
virtual double innerProduct (const Abstract::Vector &y) const
 See above.
 
- Public Member Functions inherited from NOX::Abstract::Vector
 Vector ()
 Abstract Vector constructor (does nothing)
 
virtual void print (std::ostream &stream) const
 Print the vector. To be used for debugging only.
 
virtual Teuchos::RCP
< NOX::Abstract::MultiVector
createMultiVector (const NOX::Abstract::Vector *const *vecs, int numVecs, NOX::CopyType type=NOX::DeepCopy) const
 Create a MultiVector with numVecs+1 columns out of an array of Vectors. The vector stored under this will be the first column with the remaining numVecs columns given by vecs. More...
 
virtual Teuchos::RCP
< NOX::Abstract::MultiVector
createMultiVector (int numVecs, NOX::CopyType type=NOX::DeepCopy) const
 Create a MultiVector with numVecs columns. More...
 
Vec petscVec
 Pointer to Petsc vector owned by this object.
 
bool isAlloc
 Flag to indicate if the vector has been allocated.
 
std::string name
 
virtual int allocate (const Vec &source, CopyType type=DeepCopy)
 

Additional Inherited Members

- Public Types inherited from NOX::Abstract::Vector
enum  NormType { TwoNorm, OneNorm, MaxNorm }
 Norm types used in norm() calculations. More...
 

Detailed Description

Implementation of NOX::Abstract::Vector for Petsc vectors.

Member Function Documentation

Teuchos::RCP< NOX::Abstract::Vector > Vector::clone ( CopyType  type = DeepCopy) const
virtual

Create a new Vector of the same underlying type by cloning "this", and return a pointer to the new vector.

If type is NOX::DeepCopy, then we need to create an exact replica of "this". Otherwise, if type is NOX::ShapeCopy, we need only replicate the shape of "this" (the memory is allocated for the objects, but the current values are not copied into the vector). Note that there is no assumption that a vector created by ShapeCopy is initialized to zeros.

Returns
Pointer to newly created vector or NULL if clone is not supported.

Implements NOX::Abstract::Vector.

References petscVec, and Teuchos::rcp().

Abstract::Vector & Vector::init ( double  gamma)
virtual

Initialize every element of this vector with gamma.

Here x represents this vector, and we update it as

\[ x_i = \gamma \quad \mbox{for } i=1,\dots,n \]

Returns
Reference to this object

Implements NOX::Abstract::Vector.

References petscVec.

NOX::size_type Vector::length ( ) const
virtual

Return the length of vector.

Returns
The length of this vector
Note
Even if the vector is distributed across processors, this should return the global length of the vector.

Implements NOX::Abstract::Vector.

References petscVec.

double Vector::norm ( Abstract::Vector::NormType  type = TwoNorm) const
virtual
Abstract::Vector & Vector::random ( bool  useSeed = false,
int  seed = 1 
)
virtual

Initialize each element of this vector with a random value.

If useSeed is true, uses the value of seed to seed the random number generator before filling the entries of this vector. So, if two calls are made where useSeed is true and seed is the same, then the vectors returned should be the same.

Default implementation throw an error. Only referenced by LOCA methods.

Returns
Reference to this object

Implements NOX::Abstract::Vector.

References petscVec.

Abstract::Vector & Vector::scale ( double  gamma)
virtual

Scale each element of this vector by gamma.

Here x represents this vector, and we update it as

\[ x_i = \gamma x_i \quad \mbox{for } i=1,\dots,n \]

Returns
Reference to this object

Implements NOX::Abstract::Vector.

References petscVec.

Referenced by NOX::Petsc::Group::computeNewton(), and scale().


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