ReductionCopier Class Reference

#include <ReductionCopier.H>

Inheritance diagram for ReductionCopier:

Inheritance graph
[legend]

List of all members.


Detailed Description

Specialized copier for doing reductions in dimensionality.

This is a specialized Copier designed to copy from a multi-dimensional DisjointBoxLayout to a smaller-dimensional one by copying all of the data in the transverse direction to the destination boxLayout. It is assumed that this will be used with a different sort of operator (like a summation operator, for example), since a straight copy operation wouldn't make much sense. Anyway, this just defines the intersection regions; what you do with them is your problem.

Note also that both the Spreading and Reduction Copiers ignore periodicity, since it can lead to unintended side-effects and multiple-counting of data. The way to handle periodicity is to do an exchange on the source data before calling the copyTo which does the reduction.

Public Member Functions

 ReductionCopier ()
 null constructor, copy constructor and operator= can be compiler defined.
 ReductionCopier (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, int a_transverseDir, bool a_exchange=false)
 ReductionCopier (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const ProblemDomain &a_domain, int a_transverseDir, bool a_exchange=false)
 this constructor contains support for periodic BC's
 ReductionCopier (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const IntVect &a_destGhost, int a_transverseDir, bool a_exchange=false)
 Copier to copy data into the valid and invalid regions of a_dest from a_level.
 ReductionCopier (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const ProblemDomain &a_domain, const IntVect &a_destGhost, int a_transverseDir, bool a_exchange=false)
 Copier to copy data into the valid and invalid regions of a_dest from a_level with support for periodic BCs.
 ReductionCopier (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const Vector< int > &a_transverseDir, bool a_exchange=false)
 ReductionCopier (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const ProblemDomain &a_domain, const Vector< int > &a_transverseDir, bool a_exchange=false)
 this constructor contains support for periodic BC's
 ReductionCopier (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const IntVect &a_destGhost, const Vector< int > &a_transverseDir, bool a_exchange=false)
 Copier to copy data into the valid and invalid regions of a_dest from a_level.
 ReductionCopier (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const ProblemDomain &a_domain, const IntVect &a_destGhost, const Vector< int > &a_transverseDir, bool a_exchange=false)
 Copier to copy data into the valid and invalid regions of a_dest from a_level with support for periodic BCs.
virtual ~ReductionCopier ()
virtual void define (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, int a_transverseDir, bool a_exchange=false)
virtual void define (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const ProblemDomain &a_domain, int a_transverseDir, bool a_exchange=false)
 contains support for periodic BCs
virtual void define (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const IntVect &a_destGhost, int a_transverseDir, bool a_exchange=false)
virtual void define (const BoxLayout &a_level, const BoxLayout &a_dest, const ProblemDomain &a_domain, const IntVect &a_destGhost, int a_transverseDir, bool a_exchange=false)
 contains support for periodic BCs
virtual void define (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const Vector< int > &a_transverseDir, bool a_exchange=false)
virtual void define (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const ProblemDomain &a_domain, const Vector< int > &a_transverseDir, bool a_exchange=false)
 contains support for periodic BCs
virtual void define (const DisjointBoxLayout &a_level, const BoxLayout &a_dest, const IntVect &a_destGhost, const Vector< int > &a_transverseDir, bool a_exchange=false)
virtual void define (const BoxLayout &a_level, const BoxLayout &a_dest, const ProblemDomain &a_domain, const IntVect &a_destGhost, const Vector< int > &a_transverseDir, bool a_exchange=false)
 contains support for periodic BCs
void reverse ()
 reverse the direction of copy for an already-defined ReductionCopier
bool check (const DisjointBoxLayout &from, const BoxLayout &to) const
 check that this Copier object corresponds to these two BoxLayouts.
int print () const

Private Attributes

Vector< int > m_transverseDir

Friends

class CopyIterator
void dumpmemoryatexit ()


Constructor & Destructor Documentation

ReductionCopier::ReductionCopier (  )  [inline]

null constructor, copy constructor and operator= can be compiler defined.

ReductionCopier::ReductionCopier ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
int  a_transverseDir,
bool  a_exchange = false 
)

ReductionCopier::ReductionCopier ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const ProblemDomain a_domain,
int  a_transverseDir,
bool  a_exchange = false 
)

this constructor contains support for periodic BC's

ReductionCopier::ReductionCopier ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const IntVect a_destGhost,
int  a_transverseDir,
bool  a_exchange = false 
)

Copier to copy data into the valid and invalid regions of a_dest from a_level.

ReductionCopier::ReductionCopier ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const ProblemDomain a_domain,
const IntVect a_destGhost,
int  a_transverseDir,
bool  a_exchange = false 
)

Copier to copy data into the valid and invalid regions of a_dest from a_level with support for periodic BCs.

ReductionCopier::ReductionCopier ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const Vector< int > &  a_transverseDir,
bool  a_exchange = false 
)

ReductionCopier::ReductionCopier ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const ProblemDomain a_domain,
const Vector< int > &  a_transverseDir,
bool  a_exchange = false 
)

this constructor contains support for periodic BC's

ReductionCopier::ReductionCopier ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const IntVect a_destGhost,
const Vector< int > &  a_transverseDir,
bool  a_exchange = false 
)

Copier to copy data into the valid and invalid regions of a_dest from a_level.

ReductionCopier::ReductionCopier ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const ProblemDomain a_domain,
const IntVect a_destGhost,
const Vector< int > &  a_transverseDir,
bool  a_exchange = false 
)

Copier to copy data into the valid and invalid regions of a_dest from a_level with support for periodic BCs.

virtual ReductionCopier::~ReductionCopier (  )  [virtual]


Member Function Documentation

virtual void ReductionCopier::define ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
int  a_transverseDir,
bool  a_exchange = false 
) [virtual]

virtual void ReductionCopier::define ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const ProblemDomain a_domain,
int  a_transverseDir,
bool  a_exchange = false 
) [virtual]

contains support for periodic BCs

virtual void ReductionCopier::define ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const IntVect a_destGhost,
int  a_transverseDir,
bool  a_exchange = false 
) [virtual]

virtual void ReductionCopier::define ( const BoxLayout a_level,
const BoxLayout a_dest,
const ProblemDomain a_domain,
const IntVect a_destGhost,
int  a_transverseDir,
bool  a_exchange = false 
) [virtual]

contains support for periodic BCs

virtual void ReductionCopier::define ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const Vector< int > &  a_transverseDir,
bool  a_exchange = false 
) [virtual]

virtual void ReductionCopier::define ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const ProblemDomain a_domain,
const Vector< int > &  a_transverseDir,
bool  a_exchange = false 
) [virtual]

contains support for periodic BCs

virtual void ReductionCopier::define ( const DisjointBoxLayout a_level,
const BoxLayout a_dest,
const IntVect a_destGhost,
const Vector< int > &  a_transverseDir,
bool  a_exchange = false 
) [virtual]

virtual void ReductionCopier::define ( const BoxLayout a_level,
const BoxLayout a_dest,
const ProblemDomain a_domain,
const IntVect a_destGhost,
const Vector< int > &  a_transverseDir,
bool  a_exchange = false 
) [virtual]

contains support for periodic BCs

void ReductionCopier::reverse (  ) 

reverse the direction of copy for an already-defined ReductionCopier

This function simply replaces the from data with the to-data for the already-defined copy operation. For now, this function heads right into a MayDay::Error, since what you probably want is to use a SpreadingCopier rather than a reversed ReductionCopier

Reimplemented from Copier.

bool ReductionCopier::check ( const DisjointBoxLayout from,
const BoxLayout to 
) const

check that this Copier object corresponds to these two BoxLayouts.

int ReductionCopier::print (  )  const

Reimplemented from Copier.


Friends And Related Function Documentation

friend class CopyIterator [friend]

Reimplemented from Copier.

void dumpmemoryatexit (  )  [friend]

Reimplemented from Copier.


Member Data Documentation


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

Generated on Sat May 27 03:43:10 2017 for Chombo + EB by  doxygen 1.5.5