sc_SCBlockInfo man page
sc::SCBlockInfo — SCBlockInfo contains blocking information for the SCDimension class.
Public Member Functions
SCBlockInfo (int n, int nblocks=0, const int *blocksizes=0)
Create a SCBlockInfo object.
SCBlockInfo (StateIn &)
SCBlockInfo (const Ref< KeyVal > &keyval)
The KeyVal constructor.
void save_data_state (StateOut &)
Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them.
int equiv (SCBlockInfo *bi)
Return nonzero if this is equivalent to bi.
int nelem () const
Return the total number of elements.
int nblock () const
Return the number of blocks.
int start (int i) const
Return the starting index for block i.
int size (int i) const
Return the size of block i.
int fence (int i) const
Return the last index + 1 for block i.
void elem_to_block (int i, int &block, int &offset)
RefSCDimension subdim (int i)
Retreive subdimension information.
void set_subdim (int i, const RefSCDimension &dim)
Set subdimension information.
void print (std::ostream &o=ExEnv::out0()) const
Print the object to the stream o.
Protected Member Functions
void init_start ()
int * start_
int * size_
RefSCDimension * subdims_
Additional Inherited Members
SCBlockInfo contains blocking information for the SCDimension class.
There are really two ways that it can contain blocking information. In the first way, a vector of block offsets and block sizes is stored. The second method is only used by those specializations created by the BlockedSCMatrixKit class. In this method the blocking information is stored as subdimensions of type SCDimension. If both methods are used, they must be used consistently. That is, the number, sizes, and order of the blocks must match the number, sizes, and order of the SCDimension objects.
Constructor & Destructor Documentation
sc::SCBlockInfo::SCBlockInfo (const Ref< KeyVal > & keyval)
The KeyVal constructor.
This is a vector giving the size of each subblock. There is no default.
If this vector is given there is must be entry for each entry in the sizes vector. Each entry is an SCDimension object. The default is to not store subdimension information.
Member Function Documentation
void sc::SCBlockInfo::save_data_state (StateOut &) [virtual]
Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them. This must be implemented by the derived class if the class has data.
Reimplemented from sc::SavableState.
void sc::SCBlockInfo::set_subdim (int i, const RefSCDimension & dim)
Set subdimension information. The dimension dim and index i must be consistent with the nblocks and blocksizes information given to the constructor.
Referenced by fence().
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