DistributedVector::Stripe Class Reference

#include <DistributedVector.hpp>

Collaboration diagram for DistributedVector::Stripe:

Public Member Functions
	Stripe (DistributedVector parallelVec, unsigned stripe)
DistributedVectorFactory *	GetFactory ()
double &	operator[] (unsigned globalIndex)
double &	operator[] (Iterator index)

Private Attributes
unsigned	mStride
unsigned	mStripe
double *	mpVec
unsigned	mLo
unsigned	mHi
DistributedVectorFactory *	mpFactory

Detailed Description

Provide access to a particular stripe of a striped vector.

A striped vector has multiple types of information encoded within a single vector, with a layout like [x_1, y_1, z_1, x_2, y_2, z_2, ... x_n, y_n, z_n]. This class provides easy access to, for example, the x values.

Definition at line 194 of file DistributedVector.hpp.

Constructor & Destructor Documentation

Stripe()

DistributedVector::Stripe::Stripe ( DistributedVector  parallelVec, unsigned  stripe  )

inline

Constructor.

Parameters

parallelVec	striped vector
stripe	number of this stripe within the vector starting from 0

Definition at line 210 of file DistributedVector.hpp.

References DistributedVector::GetFactory(), DistributedVector::GetHigh(), DistributedVector::GetLow(), mHi, mLo, mpFactory, DistributedVector::mpVec, mpVec, DistributedVector::mSizeMultiplier, mStride, and mStripe.

Member Function Documentation

GetFactory()

DistributedVectorFactory * DistributedVector::Stripe::GetFactory ( )

inline

Returns

the factory used to create this vector.

Definition at line 224 of file DistributedVector.hpp.

References mpFactory.

Referenced by ParallelColumnDataWriter::PutVectorStripe().

operator[]() [1/2]

double & DistributedVector::Stripe::operator[] ( Iterator  index )

inline

Parameters

index

Returns

value of striped distributed vector pointed to by index.

Definition at line 250 of file DistributedVector.hpp.

References mpVec, mStride, and mStripe.

operator[]() [2/2]

double & DistributedVector::Stripe::operator[] ( unsigned  globalIndex )

inline

Access a particular element of the stripe if on this processor. For use in tests. Will throw a DistributedVectorException if the specified element is not on this process.

Parameters

globalIndex

index within the stripe

Returns

value of striped vector

Definition at line 237 of file DistributedVector.hpp.

References mHi, mLo, mpVec, mStride, and mStripe.

Member Data Documentation

mHi

unsigned DistributedVector::Stripe::mHi

private

One above the last entry owned by the current processor.

Definition at line 200 of file DistributedVector.hpp.

Referenced by Stripe(), and operator[]().

mLo

unsigned DistributedVector::Stripe::mLo

private

The first entry owned by the current processor.

Definition at line 199 of file DistributedVector.hpp.

Referenced by Stripe(), and operator[]().

mpFactory

DistributedVectorFactory* DistributedVector::Stripe::mpFactory

private

The factory that created our parent vector.

Definition at line 201 of file DistributedVector.hpp.

Referenced by Stripe(), and GetFactory().

mpVec

double* DistributedVector::Stripe::mpVec

private

The local part of the underlying PETSc vector.

Definition at line 198 of file DistributedVector.hpp.

Referenced by Stripe(), operator[](), and operator[]().

mStride

unsigned DistributedVector::Stripe::mStride

private

Number of types of information in the vector.

Definition at line 196 of file DistributedVector.hpp.

Referenced by Stripe(), operator[](), and operator[]().

mStripe

unsigned DistributedVector::Stripe::mStripe

private

The number of this stripe within the vector starting from 0.

Definition at line 197 of file DistributedVector.hpp.

Referenced by Stripe(), operator[](), and operator[]().

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

• global/src/parallel/DistributedVector.hpp