Examples of IDCluster


Examples of net.myrrix.online.generation.IDCluster

                                     Lock clustersReadLock) {
    if (featureVector == null || clusters == null || clusters.isEmpty()) {
      return;
    }
   
    IDCluster closestCentroid;
    clustersReadLock.lock();
    try {
      closestCentroid = findClosestCentroid(featureVector, clusters);
    } finally {
      clustersReadLock.unlock();
    }
   
    if (closestCentroid == null) {
      return;
    }

    FastIDSet newMembers = closestCentroid.getMembers();
   
    boolean removeFromCurrentCluster;       
    synchronized (newMembers) {
      // Wasn't already present, so was present elsewhere; find and remove it       
      removeFromCurrentCluster = newMembers.add(id);
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Examples of net.myrrix.online.generation.IDCluster

    }
  }
 
  private static IDCluster findClosestCentroid(float[] vector, Iterable<IDCluster> clusters) {
    double vectorNorm = SimpleVectorMath.norm(vector);
    IDCluster closestCentroid = null;
    double highestDot = Double.NEGATIVE_INFINITY;
    for (IDCluster cluster : clusters) {
      double dot = SimpleVectorMath.dot(cluster.getCentroid(), vector) / cluster.getCentroidNorm() / vectorNorm;
      if (LangUtils.isFinite(dot) && dot > highestDot) {
        highestDot = dot;
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