Examples of AVector

mikera.vectorz.AVector
Main abstract base class for all types of vector Contains default implementations for most vector operations which can be overriden to achieve better performance in derived classes. @author Mike

Examples of mikera.vectorz.AVector

    // efficient join always succeeds
    
    if (a instanceof JoinedVector) {
      return join((JoinedVector)a);
    }
    AVector ej=right.tryEfficientJoin(a);
    if (ej!=null) return new JoinedVector(left,ej);
    
    return JoinedMultiVector.wrap(new AVector[] {left,right,a});
  }

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Examples of mikera.vectorz.AVector

    
    return JoinedMultiVector.wrap(new AVector[] {left,right,a});
  }
  
  public AVector join(JoinedVector a) {
    AVector ej=right.tryEfficientJoin(a.left);
    if (ej==null) {
      return JoinedMultiVector.wrap(new AVector[] {left,right,a.left,a.right});
    } else {
      return JoinedMultiVector.wrap(new AVector[] {left,ej,a.right});
    }

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Examples of mikera.vectorz.AVector

    }
  }
  
  @Override
  public AVector addCopy(AVector a) {
    AVector lsum = left.addCopy(a.subVector(0, split));
    AVector rsum = right.addCopy(a.subVector(split, length-split));
    return lsum.join(rsum);
  }

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Examples of mikera.vectorz.AVector

  @Override
  public AVector tryEfficientJoin(AVector v) {
    if (v instanceof JoinedMultiVector) return join((JoinedMultiVector)v);
    if (v instanceof JoinedVector) return join((JoinedVector)v);
    
    AVector ej=vecs[n-1].tryEfficientJoin(v);
    if (ej!=null) {
      AVector[] nvecs=vecs.clone();
      nvecs[n-1]=ej;    
      return new JoinedMultiVector(nvecs);
    } else {

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Examples of mikera.vectorz.AVector

    
    return new JoinedMultiVector(nvecs);
  }
  
  public AVector join(JoinedVector v) {
    AVector ej=vecs[n-1].tryEfficientJoin(v.left);
    if (ej!=null) {
      AVector[] nvecs=new AVector[n+1];
      System.arraycopy(vecs, 0, nvecs, 0, n);
      nvecs[n-1]=ej;
      nvecs[n]=v.right;

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Examples of mikera.vectorz.AVector

    return new UnmodifiableVector(source.exactClone());
  }
  
  @Override
  public AVector subVector(int offset, int length) {
    AVector ssv=source.subVector(offset, length);
    if (ssv==source) return this;
    return new UnmodifiableVector(ssv);
  }

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Examples of mikera.vectorz.AVector

  public void addToArray(double[] data, int offset) {
    int b1=-lowerBandwidth();
    int b2=upperBandwidth();
    int cc=columnCount();
    for (int b=b1; b<=b2; b++) {
      AVector band=getBand(b);
      int di = offset+this.bandStartColumn(b)+cc*bandStartRow(b);
      band.addToArray(data, di, cc+1);
    }
  }

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Examples of mikera.vectorz.AVector

    int minBand=-lowerBandwidthLimit();
    int maxBand=upperBandwidthLimit();
    if (minBand<=-rowCount()) throw new VectorzException("Invalid lower limit: "+minBand);
    if (maxBand>=columnCount()) throw new VectorzException("Invalid upper limit: "+maxBand);
    for (int i=minBand; i<=maxBand; i++) {
      AVector v=getBand(i);
      if (bandLength(i)!=v.length()) throw new VectorzException("Invalid band length: "+i);
    }
  }

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Examples of mikera.vectorz.AVector

    return true;
  }
  
  @Override
  public double dotProduct(double[] data, int offset) {
    AVector r=source.getRow(row);
    double result=0.0;
    for (int i=0; i<length; i++) {
      result+=data[offset+i]*r.unsafeGet(i);
    }
    return result;
  }

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Examples of mikera.vectorz.AVector

    c11.add(v);
  }
  
  @Override
  public void add(AVector v) {
    AVector v0=v.subVector(0, columnSplit);
    AVector v1=v.subVector(columnSplit,cols-columnSplit);
    c00.add(v0);
    c01.add(v1);
    c10.add(v0);
    c11.add(v1);
  }

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