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

      return;
    if ((i < 0) || (i >= cols))
      throw new IndexOutOfBoundsException(ErrorMessages.invalidSlice(this, 1, i));
    if ((j < 0) || (j >= cols))
      throw new IndexOutOfBoundsException(ErrorMessages.invalidSlice(this, 1, j));
    AVector a = unsafeGetVec(i);
    AVector b = unsafeGetVec(j);
    unsafeSetVec(i, b);
    unsafeSetVec(j, a);
  }

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Examples of mikera.vectorz.AVector

  
  @Override
  public void add(AMatrix a) {
    int count=columnCount();
    for (int i=0; i<count; i++) {
      AVector myVec=unsafeGetVec(i);
      AVector aVec=a.getColumn(i);
      if (myVec==null) {
        if (!aVec.isZero()) {
          unsafeSetVec(i,aVec.copy());
        }
      } else if (myVec.isMutable()) {
        myVec.add(aVec);
      } else {
        unsafeSetVec(i,myVec.addCopy(aVec));

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Examples of mikera.vectorz.AVector

  
  @Override
  public void copyRowTo(int row, double[] targetData, int offset) {
    Arrays.fill(targetData, offset,offset+ cols,0.0);
        for (int i = 0; i < cols; ++i) {
            AVector e = unsafeGetVec(i);
            if (e != null)
          targetData[offset+i]=e.unsafeGet(row);
    }    
  }

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Examples of mikera.vectorz.AVector

  
  @Override
  public AMatrix multiplyCopy(double a) {
    AVector[] ndata=new AVector[lineCount()];
    for (int i = 0; i < lineCount(); ++i) {
            AVector v = unsafeGetVec(i);
            if (v != null)
                ndata[i] = v.innerProduct(a);
    }
    return wrap(ndata,rows,cols);
  }

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Examples of mikera.vectorz.AVector

  }
  
  @Override
  public void applyOp(Op op) {
    for (int i=0; i<cols; i++) {
      AVector col=getColumn(i);
      if (col.isFullyMutable()) {
        col.applyOp(op);
      } else {
        col=col.mutable();
        col.applyOp(op);
        replaceColumn(i,col);
      }
    }
  }

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Examples of mikera.vectorz.AVector


  @Override
  public double[] toDoubleArray() {
    Matrix m=Matrix.create(rows, cols);
    for (int i=0; i<cols; i++) {
      AVector v = unsafeGetVec(i);
      if (v != null)
                m.getColumn(i).set(v);
    }
    return m.getArray();
  }

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Examples of mikera.vectorz.AVector

  
  @Override
  public SparseColumnMatrix exactClone() {
    SparseColumnMatrix result= new SparseColumnMatrix(rows,cols);
        for (int i = 0; i < cols; ++i) {
      AVector col = unsafeGetVec(i);
      if (col != null)
          result.replaceColumn(i, col.exactClone());
    }
    return result;
  }

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Examples of mikera.vectorz.AVector

  @Override
  public boolean equals(AMatrix m) {
    if (m==this) return true;
    if (!isSameShape(m)) return false;
    for (int i=0; i<cols; i++) {
      AVector v=unsafeGetVec(i);
            AVector ov = m.getColumn(i);
      if (v==null) {
        if (!ov.isZero()) return false;
      } else {
        if (!v.equals(ov)) return false;
      }
    }
    return true;

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Examples of mikera.vectorz.AVector

  /**
   * Calculates a single element of the output. 
   * Not necessarily faster than calculating full output, but can be in some circumstances.
   */
  public double calculateElement(int i, AVector inputVector) {
    AVector r=transform(inputVector);
    return r.unsafeGet(i);
  }

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Examples of mikera.vectorz.AVector

  public void composeWith(ATranslation t) {
    if (t instanceof Translation) {
      composeWith((Translation) t);
      return;
    }
    AVector v=t.getTranslationVector();
    translationVector.add(v);
  }

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