public double this[ushort id, ODMatrixVector vector]
{
get
{
var res = 0d;
int row, col, rowIncrement = 0, colIncrement = 0;
switch (vector)
{
case ODMatrixVector.Origin:
row = _idToIndex[id];
if (!double.IsNaN(_originSum[row]))
{
return(_originSum[row]);
}
col = 0;
colIncrement = 1;
break;
case ODMatrixVector.Destination:
col = _idToIndex[id];
if (!double.IsNaN(_destinationSum[col]))
{
return(_destinationSum[col]);
}
row = 0;
rowIncrement = 1;
break;
case ODMatrixVector.Both:
return(this[id, ODMatrixVector.Origin] + this[id, ODMatrixVector.Destination] - this[id, id]);
default:
throw new ArgumentOutOfRangeException("vector");
}
for (; row < Size && col < Size; col += colIncrement, row += rowIncrement)
{
res += _matrix[row][col];
}
switch (vector)
{
case ODMatrixVector.Origin:
_originSum[row] = res;
break;
default:
_destinationSum[col] = res;
break;
}
return(res);
}
}
public MatrixODSumProvider(IODMatrix matrix, ODMatrixVector vector)
: base(matrix)
{
MatrixVector = vector;
}
public MatrixODSumProvider(IODMatrix matrix, ODMatrixVector vector)
: base(matrix)
{
MatrixVector = vector;
}
