internal Tuple <LinearIndex <a>, VectorConstruction> asLinearIndex <a>(IIndex <a> index, VectorConstruction vector) { LinearIndex <a> linearIndex = index as LinearIndex <a>; if (linearIndex != null) { return(new Tuple <LinearIndex <a>, VectorConstruction>(linearIndex, vector)); } IEnumerable <Tuple <long, long> > tuples = (IEnumerable <Tuple <long, long> >)SeqModule.MapIndexed <KeyValuePair <a, long>, Tuple <long, long> >((Func <int, Func <M0, M1> >) new LinearIndex.relocs <a>(), (IEnumerable <M0>)index.Mappings); VectorConstruction vectorConstruction = VectorConstruction.NewRelocate(vector, index.KeyCount, tuples); return(new Tuple <LinearIndex <a>, VectorConstruction>(new LinearIndex <a>(System.Array.AsReadOnly <a>(ArrayModule.OfSeq <a>((IEnumerable <a>)SeqModule.Map <KeyValuePair <a, long>, a>((Func <M0, M1>) new LinearIndex.clo <a>(), (IEnumerable <M0>)index.Mappings))), LinearIndexBuilder.Instance, (FSharpOption <bool>)null), vectorConstruction)); }
Tuple <IIndex <TNewKey>, IVector <R> > IIndexBuilder.Resample <K, TNewKey, R>(IIndexBuilder chunkBuilder, IIndex <K> index, IEnumerable <K> keys, Deedle.Direction dir, VectorConstruction vector, Func <Tuple <K, Tuple <IIndex <K>, VectorConstruction> >, Tuple <TNewKey, R> > selector) { if (!index.IsOrdered) { throw new InvalidOperationException("Resampling is only supported on ordered indices"); } IIndexBuilder indexBuilder = (IIndexBuilder)this; IEnumerable <M1> m1s; if (dir == Deedle.Direction.Forward) { IEnumerable <Tuple <K, long> > tuples = (IEnumerable <Tuple <K, long> >)SeqModule.Map <K, Tuple <K, long> >((Func <M0, M1>) new LinearIndex.keyLocations <K>(index), keys); m1s = SeqModule.MapIndexed <Tuple <Tuple <K, long>, Tuple <K, long> >, Tuple <K, Tuple <long, long> > >((Func <int, Func <M0, M1> >) new LinearIndex.locations <K>(index), (IEnumerable <M0>)SeqModule.Pairwise <Tuple <K, long> >(SeqModule.Append <Tuple <K, long> >((IEnumerable <M0>)tuples, (IEnumerable <M0>)FSharpList <Tuple <K, long> > .Cons(new Tuple <K, long>(default(K), Addressing.LinearAddress.invalid), FSharpList <Tuple <K, long> > .get_Empty())))); } else { int keyLen = SeqModule.Length <K>(keys); IEnumerable <Tuple <K, long> > tuples = (IEnumerable <Tuple <K, long> >)SeqModule.Map <K, Tuple <K, long> >((Func <M0, M1>) new LinearIndex.keyLocations <K>(index), keys); m1s = SeqModule.MapIndexed <Tuple <Tuple <K, long>, Tuple <K, long> >, Tuple <K, Tuple <long, long> > >((Func <int, Func <M0, M1> >) new LinearIndex.locations <K>(index, keyLen), (IEnumerable <M0>)SeqModule.Pairwise <Tuple <K, long> >(SeqModule.Append <Tuple <K, long> >((IEnumerable <M0>)FSharpList <Tuple <K, long> > .Cons(new Tuple <K, long>(default(K), Addressing.LinearAddress.invalid), FSharpList <Tuple <K, long> > .get_Empty()), (IEnumerable <M0>)tuples))); } Tuple <K, Tuple <long, long> >[] tupleArray1 = (Tuple <K, Tuple <long, long> >[])ArrayModule.OfSeq <Tuple <K, Tuple <long, long> > >((IEnumerable <M0>)m1s); Func <Tuple <K, Tuple <long, long> >, Tuple <K, Tuple <IIndex <K>, VectorConstruction> > > Func1 = (Func <Tuple <K, Tuple <long, long> >, Tuple <K, Tuple <IIndex <K>, VectorConstruction> > >) new LinearIndex.vectorConstructions <K>(chunkBuilder, index); Tuple <K, Tuple <long, long> >[] tupleArray2 = tupleArray1; if ((object)tupleArray2 == null) { throw new ArgumentNullException("array"); } Tuple <K, Tuple <IIndex <K>, VectorConstruction> >[] tupleArray3 = new Tuple <K, Tuple <IIndex <K>, VectorConstruction> > [tupleArray2.Length]; for (int index1 = 0; index1 < tupleArray3.Length; ++index1) { tupleArray3[index1] = Func1.Invoke(tupleArray2[index1]); } Tuple <K, Tuple <IIndex <K>, VectorConstruction> >[] tupleArray4 = tupleArray3; Func <Tuple <K, Tuple <IIndex <K>, VectorConstruction> >, Tuple <TNewKey, R> > Func2 = selector; Tuple <K, Tuple <IIndex <K>, VectorConstruction> >[] tupleArray5 = tupleArray4; if ((object)tupleArray5 == null) { throw new ArgumentNullException("array"); } Tuple <TNewKey, R>[] tupleArray6 = new Tuple <TNewKey, R> [tupleArray5.Length]; for (int index1 = 0; index1 < tupleArray6.Length; ++index1) { tupleArray6[index1] = Func2.Invoke(tupleArray5[index1]); } Tuple <TNewKey, R>[] tupleArray7 = tupleArray6; IIndex <TNewKey> index2 = indexBuilder.Create <TNewKey>(SeqModule.Map <Tuple <TNewKey, R>, TNewKey>((Func <M0, M1>) new LinearIndex.newIndex <TNewKey, R>(), (IEnumerable <M0>)tupleArray7), (FSharpOption <bool>)null); IVectorBuilder vectorBuilder1 = this.vectorBuilder; Func <Tuple <TNewKey, R>, R> Func3 = (Func <Tuple <TNewKey, R>, R>) new LinearIndex.vect <TNewKey, R>(); Tuple <TNewKey, R>[] tupleArray8 = tupleArray7; if ((object)tupleArray8 == null) { throw new ArgumentNullException("array"); } R[] optionalValueArray = new R[tupleArray8.Length]; IVectorBuilder vectorBuilder2 = vectorBuilder1; for (int index1 = 0; index1 < optionalValueArray.Length; ++index1) { optionalValueArray[index1] = Func3.Invoke(tupleArray8[index1]); } IVector <R> missing = vectorBuilder2.CreateMissing <R>(optionalValueArray); return(new Tuple <IIndex <TNewKey>, IVector <R> >(index2, missing)); }
public static Deedle.Series <int, a> ofValues <a>(IEnumerable <a> values) { return(new Deedle.Series <int, a>((IEnumerable <int>)SeqModule.MapIndexed <a, int>((FSharpFunc <int, FSharpFunc <M0, M1> >) new FSeriesextensions.keys <a>(), values), values)); }
public static Deedle.Series <int, a> ofNullables <a>(IEnumerable <a?> values) where a : struct { return(new Deedle.Series <int, a?>((IEnumerable <int>)SeqModule.MapIndexed <a?, int>((FSharpFunc <int, FSharpFunc <M0, M1> >) new FSeriesextensions.keys <a>(), (IEnumerable <M0>)values), values).Select <a>(new Func <KeyValuePair <int, a?>, a>(new FSeriesextensions.ofNullables <a>().Invoke))); }
public static Frame <int, ColKey> FromRows <ColKey, V>(IEnumerable <Series <ColKey, V> > rows) { return(FrameUtils.fromRows <int, ColKey, Series <ColKey, V> >(FIndexBuilderimplementation.IndexBuilder.Instance, FVectorBuilderimplementation.VectorBuilder.Instance, new Series <int, Series <ColKey, V> >((IEnumerable <int>)SeqModule.MapIndexed <Series <ColKey, V>, int>((FSharpFunc <int, FSharpFunc <M0, M1> >) new FrameExtensions.FromRows <ColKey, V>(), (IEnumerable <M0>)rows), rows))); }