sc::SCMatrixDiagBlock(3)

NAME
sc::SCMatrixDiagBlock -

The SCMatrixDiagBlock describes a diagonal piece of a matrix.

SYNOPSIS

#include <block.h>

Inherits sc::SCMatrixBlock.

  Public Member Functions
SCMatrixDiagBlock (int istart, int iend, int jstart)
SCMatrixDiagBlock (int istart, int iend)
SCMatrixDiagBlock (StateIn &)
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.
SCMatrixBlock * deepcopy () const
Return of copy of this.
void process (SCElementOp *)
void process (SCElementOp2 *, SCMatrixBlock *)
void process (SCElementOp3 *, SCMatrixBlock *, SCMatrixBlock *)
double * dat ()
Return a pointer to the block's data and the number of elements in the block.
int ndat () const

  Public Attributes
int istart
int jstart
int iend
double * data

Detailed Description

The SCMatrixDiagBlock describes a diagonal piece of a matrix. The following bit of code illustrates the data layout: fill(double **matrix, SCMatrixDiagBlock &b) { int i,j,offset=0; for (i=b.istart,j=b.jstart; i<b.iend; i++,j++,offset++) { matrix[i][j] = b.data[offset]; } }

Member Function Documentation

  double* sc::SCMatrixDiagBlock::dat () [virtual]

Return a pointer to the block's data and the number of elements in the block. Some blocks cannot provide this information and a runtime error will be generated if these members are called. These routines are only used internally in the matrix library.

Reimplemented from sc::SCMatrixBlock.

  SCMatrixBlock* sc::SCMatrixDiagBlock::deepcopy () const [virtual]

Return of copy of this. A runtime error will be generated for blocks that cannot do a deepcopy. These routines are only used internally in the matrix library.

Reimplemented from sc::SCMatrixBlock.

  void sc::SCMatrixDiagBlock::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::SCMatrixBlock.

Author

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