public static IEnumerable <T> Serialize <T>(this IMultiIndexable <T> nddata, IEnumerable <int[]> indexOrder)
{
int rank = nddata.Sizes.Size;
if (rank == 0)
{
yield return(nddata.GetElement());
}
else
{
var dsindex = new DimSpec[rank];
foreach (var index in indexOrder)
{
if (index == null)
{
throw new ArgumentException("index enumeration returned null index");
}
if (index.Length != dsindex.Length)
{
throw new ArgumentException("index enumeration returned index of wrong rank");
}
for (int i = 0; i < index.Length; i++)
{
dsindex[i] = index[i];
}
yield return(nddata[dsindex].GetElement());
}
}
}
private static int GetIndex(DimSpec ds)
{
switch (ds.Kind)
{
case DimSpec.EKind.Index: return((int)ds);
case DimSpec.EKind.Range: return(((Range)ds).FirstBound);
default: throw new NotImplementedException();
}
}
public override T ElementAt(params int[] indices)
{
Contract.Requires <ArgumentNullException>(indices != null, "indices");
Contract.Requires <ArgumentException>(indices.Length == Rank, "Length of indices must equal the rank.");
DimSpec[] translatedIndices = new DimSpec[Rank];
for (int i = 0; i < indices.Length; i++)
{
translatedIndices[_newDimensions[i]] = indices[i];
}
return(_source[translatedIndices].GetElement());
}