public static IVector TransformColumn(IVector vector, IVectorBuilder vectorBuilder, IVecConstructionCmd vectorConstr)
{
var boxedVector = BoxVector(vector, vectorBuilder);
var newVec = vectorBuilder.Build(vectorConstr, new IVector <object>[] { boxedVector });
return(newVec);
}
public static IVector <T> CreateRowVector <T>(IVectorBuilder vectorBuilder, long rowKeyCount, long colKeyCount, Func <object, T> mapper, IVector <IVector> data)
{
var boxedData = data.Select(v => BoxVector(v, vectorBuilder)).Data.Values.ToArray();
var vectorsConstr = new List <IVecConstructionCmd>();
for (long i = 0; i < colKeyCount; i++)
{
vectorsConstr.Add(new Return(i));
}
var cmd = new Combine(rowKeyCount, vectorsConstr);
var boxedVec = vectorBuilder.Build(cmd, boxedData);
var resVec = boxedVec.Select(v => mapper.Invoke(v));
return(resVec);
}
public static Series <K, int> Diff <K>(this Series <K, int> series, int offset)
{
Series <K, int> series1 = series;
int num = offset;
Series <K, int> series2 = series1;
IVectorBuilder instance = FVectorBuilderimplementation.VectorBuilder.Instance;
Tuple <IIndex <K>, VectorConstruction> tuple = series2.Index.Builder.Shift <K>(new Tuple <IIndex <K>, VectorConstruction>(series2.Index, VectorConstruction.NewReturn(0)), num);
VectorConstruction vectorConstruction1 = tuple.Item2;
IIndex <K> index = tuple.Item1;
VectorConstruction vectorConstruction2 = series2.Index.Builder.Shift <K>(new Tuple <IIndex <K>, VectorConstruction>(series2.Index, VectorConstruction.NewReturn(0)), -num).Item2;
VectorConstruction vectorConstruction3 = VectorConstruction.NewCombine((Lazy <long>)LazyExtensions.Create <long>((FSharpFunc <Unit, M0>) new SeriesExtensions.Diff2 <K>(index)), FSharpList <VectorConstruction> .Cons(vectorConstruction2, FSharpList <VectorConstruction> .Cons(vectorConstruction1, FSharpList <VectorConstruction> .get_Empty())), VectorListTransform.NewBinary((IBinaryTransform) new SeriesExtensions.Diff5((FSharpFunc <OptionalValue <int>, FSharpFunc <OptionalValue <int>, OptionalValue <int> > >) new SeriesExtensions.Diff4((FSharpFunc <int, FSharpFunc <int, int> >) new SeriesExtensions.Diff3()))));
IVector <int> vector = instance.Build <int>(index.AddressingScheme, vectorConstruction3, new IVector <int>[1]
{
series2.Vector
});
return(new Series <K, int>(index, vector, instance, series2.Index.Builder));
}
public IVector <T> Build <T>(IVecConstructionCmd vectorConstruction, IVector <T>[] vectors)
{
if (vectorConstruction.GetType() == typeof(Return))
{
var vcReturn = (Return)vectorConstruction;
return(vectors[vcReturn.VectorLocation]);
}
else if (vectorConstruction.GetType() == typeof(Combine))
{
var combine = (Combine)vectorConstruction;
var data = combine.VecConstructionCmds.Select(vc => (IVector)VectorBuilderInstance.Build(vc, vectors)).ToArray();
var frameData = VectorBuilderInstance.Create(data);
var rowReaders = new object[combine.Size];
for (long i = 0; i < combine.Size; i++)
{
rowReaders[i] = new RowReaderVector <object>(frameData, VectorBuilderInstance, i);
}
var objVec = new ArrayVector <object>(new ArrayVectorData <object>(rowReaders));
//var objectSeq = new ObjectSequence<T>(objVec);
return(Vector.unboxVector <T>(objVec, VectorBuilderInstance));
}
else if (vectorConstruction.GetType() == typeof(GetRange))
{
var cmd = (GetRange)vectorConstruction;
//TODO
var range = (IntervalOf <Int64>)cmd.RangeBoundary;
var newVecData = this.buildArrayVector(cmd.VecConstructionCmd, vectors);
var newData = new T[(range.End - range.Start + 1)];
long idx = 0;
for (long i = range.Start; i <= range.End; i++)
{
newData[idx] = newVecData[i];
idx++;
}
return(new ArrayVector <T>(new ArrayVectorData <T>(newData)));
}
else
{
return(null);
}
}
