NAME

       sc::SCMatrixRectBlock - The SCMatrixRectBlock describes a rectangular piece of a matrix.

SYNOPSIS

       #include <block.h>

       Inherits sc::SCMatrixBlock.

   Public Member Functions
       SCMatrixRectBlock (int is, int ie, int js, int je)
       SCMatrixRectBlock (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
       int jend
       double * data

   Additional Inherited Members

Detailed Description

       The SCMatrixRectBlock describes a rectangular piece of a matrix.

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

Member Function Documentation

   double* sc::SCMatrixRectBlock::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::SCMatrixRectBlock::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::SCMatrixRectBlock::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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