Nektar::SymmetricBandedMatrixFuncs Struct Reference

#include <MatrixFuncs.h>

Inheritance diagram for Nektar::SymmetricBandedMatrixFuncs:

Static Public Member Functions
static unsigned int	CalculateIndex (unsigned int curRow, unsigned int curColumn, unsigned int nSuperDiags)

Additional Inherited Members
Static Private Member Functions inherited from Nektar::TriangularBandedMatrixFuncs
static unsigned int	GetRequiredStorageSize (unsigned int rows, unsigned int columns, unsigned int nSubSuperDiags)

Detailed Description

Definition at line 280 of file MatrixFuncs.h.

Member Function Documentation

CalculateIndex()

unsigned int Nektar::SymmetricBandedMatrixFuncs::CalculateIndex ( unsigned int  curRow, unsigned int  curColumn, unsigned int  nSuperDiags  )

static

Definition at line 369 of file MatrixFuncs.cpp.

References Nektar::BandedMatrixFuncs::CalculateIndex().

Referenced by Nektar::ConstMatrix< NekMatrix< DataType, InnerMatrixType >::NumberType >::CalculateIndex().

    {
        if( curRow <= curColumn )
        {
            if( (curColumn - curRow) <= nSuperDiags )
            {
                unsigned int elementRow = nSuperDiags - (curColumn - curRow);
                unsigned int elementColumn = curColumn;
                
                return elementRow + elementColumn*(nSuperDiags+1);
            }
            else
            {
                return std::numeric_limits<unsigned int>::max();
            }
        }
        else
        {
            return CalculateIndex(curColumn,curRow,nSuperDiags);
        }

    }