protected override IComparable GroupTyped(ColumnTyped <DataT> sourceColumn, ArrayRange sourceIndices)
{
DataT result = math.Zero();
DataT z = math.Zero();
foreach (var v in sourceColumn.VisitRows(sourceIndices))
{
if (math.Compare(v, z) >= 0)
{
result = math.Add(result, v);
}
}
return(result);
}
protected override IComparable GroupTyped(ColumnTyped <DataT> sourceColumn, ArrayRange sourceIndices)
{
using (Profiling.GetMarker(Profiling.MarkerId.MergeSumPositive).Auto())
{
DataT result = math.Zero();
DataT z = math.Zero();
foreach (var v in sourceColumn.VisitRows(sourceIndices))
{
if (math.Compare(v, z) >= 0)
{
result = math.Add(result, v);
}
}
return(result);
}
}