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)
static unsigned int	GetRequiredStorageSize (unsigned int rows, unsigned int columns, unsigned int nSubSuperDiags)

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.

    {
        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);
        }
 
    }

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

GetRequiredStorageSize()

unsigned int Nektar::TriangularBandedMatrixFuncs::GetRequiredStorageSize

static

Definition at line 266 of file MatrixFuncs.cpp.

    {
        ASSERTL0(rows==columns, "Triangular matrices must be square.");
        return (nSubSuperDiags+1)*columns;
    }

Referenced by Nektar::ConstMatrix< DataType >::GetRequiredStorageSize().