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());
}
}
}
public BoxAsMatrix(IMultiIndexable <T> source)
{
Contract.Requires <ArgumentNullException>(source != null, "source");
Contract.Requires <ArgumentException>(source.Sizes.Size == 2, "source is not rank 2");
_source = source;
}
public BoxTransposition(IMultiIndexable <T> source, int[] newDimensions)
{
Contract.Requires <ArgumentNullException>(source != null, "source");
Contract.Requires <ArgumentNullException>(newDimensions != null, "newDimensions");
Contract.Requires <ArgumentException>(newDimensions.Length >= 1, "newDimensions must contain at least one element.");
Contract.Requires <ArgumentOutOfRangeException>(
newDimensions.OrderBy(x => x).Equals(Enumerable.Range(0, source.Sizes.Size)),
"newDimensions is not a permutation of source rank elements.");
_source = source;
_newDimensions = (int[])newDimensions.Clone();
}
public static Box <T> AsBox <T>(this IMultiIndexable <T> nddata)
{
var box = nddata as Box <T>;
if (box == null)
{
return(new BoxWrapper <T>(nddata));
}
else
{
return(box);
}
}
public static Matrix <T> AsMatrix <T>(IMultiIndexable <T> nddata)
{
return(new BoxAsMatrix <T>(nddata));
}
public static Vector <T> AsVector <T>(this IMultiIndexable <T> nddata)
{
return(new BoxAsVector <T>(nddata));
}
public SelectBox(IMultiIndexable <TSource> source, Func <TSource, TTarget> selector)
{
_source = source;
_selector = selector;
}
public BoxWrapper(IMultiIndexable <T> nddata)
{
_nddata = nddata;
}
public static IEnumerable <T> Enumerate <T>(this IMultiIndexable <T> nddata)
{
Contract.Requires <ArgumentNullException>(nddata != null, "nddata");
return(Serialize(nddata, EnumerateFromLoToHi(nddata.Sizes.ToArray())));
}
public static Box <TTarget> Select <TSource, TTarget>(this IMultiIndexable <TSource> nddata, Func <TSource, TTarget> selector)
{
return(new SelectBox <TSource, TTarget>(nddata, selector));
}
public static Box <T> Transpose <T>(this IMultiIndexable <T> nddata, params int[] newDimensions)
{
return(new BoxTransposition <T>(nddata, newDimensions));
}
