static void ColumnCycle(int fromInclusive, int toInclusive, int iRow, int row, int xStride, InnerCycle innerCycle)
{
var column = 0;
for (var iColumn = fromInclusive; iColumn <= toInclusive; iColumn += xStride, column++)
{
innerCycle(iRow, row, iColumn, column);
}
}
private static void MatrixCycle(int rowFromInclusive, int rowToInclusive, int columnFromInclusive, int columnToInclusive, int yStride, int xStride, int maxDegreeOfParallelism, InnerCycle innerCycle, CancellationToken cancellationToken = default)
{
OutOfRangeException.Check(nameof(maxDegreeOfParallelism), maxDegreeOfParallelism, 0);
var iRows = new List <int>();
for (var iRow = rowFromInclusive; iRow <= rowToInclusive; iRow += yStride)
{
iRows.Add(iRow);
}
if (maxDegreeOfParallelism > 1)
{
Parallel.ForEach(iRows,
new ParallelOptions
{
MaxDegreeOfParallelism = maxDegreeOfParallelism,
CancellationToken = cancellationToken
},
iRow =>
{
var row = (iRow - rowFromInclusive) / yStride;
ColumnCycle(columnFromInclusive, columnToInclusive, iRow, row, xStride, innerCycle);
});
}
else
{
var row = 0;
foreach (var iRow in iRows)
{
ColumnCycle(columnFromInclusive, columnToInclusive, iRow, row, xStride, innerCycle);
row++;
}
}
