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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 blocks 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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