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 320 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 382 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);
    }
}

References CalculateIndex().

Referenced by Nektar::ConstMatrix< DataType >::CalculateIndex(), and CalculateIndex().

GetRequiredStorageSize()

unsigned int Nektar::TriangularBandedMatrixFuncs::GetRequiredStorageSize ( unsigned int  rows, unsigned int  columns, unsigned int  nSubSuperDiags  )

static

Definition at line 303 of file MatrixFuncs.cpp.

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

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