// COLUMN COPY
internal override void CopySubColumnToUnchecked(VectorStorage <T> target, int columnIndex,
int sourceRowIndex, int targetRowIndex, int rowCount, ExistingData existingData)
{
if (existingData == ExistingData.Clear)
{
target.Clear(targetRowIndex, rowCount);
}
if (columnIndex >= sourceRowIndex && columnIndex < sourceRowIndex + rowCount && columnIndex < Data.Length)
{
target.At(columnIndex - sourceRowIndex + targetRowIndex, Data[columnIndex]);
}
}
// VECTOR COPY
internal override void CopyToUnchecked(VectorStorage <T> target, ExistingData existingData)
{
if (target is SparseVectorStorage <T> sparseTarget)
{
CopyToUnchecked(sparseTarget);
return;
}
// FALL BACK
if (existingData == ExistingData.Clear)
{
target.Clear();
}
if (ValueCount != 0)
{
for (int i = 0; i < ValueCount; i++)
{
target.At(Indices[i], Values[i]);
}
}
}