Пример #1
0
 /**
  * Get a particular entry of the vector.
  *
  * @param i the entry
  * @return the value of the entry.
  */
 public float get(int i) {
   // The default value is 0.0
   if (i >= entries.size()) {
     return 0.0f;
   }
   return entries.getFloat(i);
 }
Пример #2
0
 @Override
 public void write(DataOutput out) throws IOException {
   out.writeBoolean(isSingleton);
   if (isSingleton) {
     out.writeInt(singletonIndex);
     out.writeFloat(singletonValue);
   } else {
     out.writeInt(entries.size());
     for (int i = 0; i < entries.size(); ++i) {
       out.writeFloat(entries.getFloat(i));
     }
   }
 }
Пример #3
0
 /**
  * Add the vector specified. This is a vector addition that does an element-by-element addition.
  *
  * @param other the vector to add.
  */
 public void add(FloatDenseVector other) {
   if (isSingleton) {
     throw new RuntimeException("Cannot add to singleton vector");
   }
   if (other.isSingleton) {
     ensureCapacity(other.singletonIndex + 1);
     entries.set(
         other.singletonIndex, entries.getFloat(other.singletonIndex) + other.singletonValue);
   } else {
     ensureCapacity(other.entries.size());
     for (int i = 0; i < other.entries.size(); ++i) {
       entries.set(i, entries.getFloat(i) + other.entries.getFloat(i));
     }
   }
 }
Пример #4
0
 @Override
 public void readFields(DataInput in) throws IOException {
   isSingleton = in.readBoolean();
   if (isSingleton) {
     singletonIndex = in.readInt();
     singletonValue = in.readFloat();
   } else {
     int size = in.readInt();
     for (int i = 0; i < size; ++i) {
       entries.add(in.readFloat());
     }
   }
 }
Пример #5
0
 /**
  * Resize the array to be at least the size specified.
  *
  * @param size the size of the array
  */
 private void ensureCapacity(int size) {
   if (entries.size() < size) {
     entries.size(size);
   }
 }
Пример #6
0
 /**
  * Set the given value to the entry with the index specified.
  *
  * @param i the entry
  * @param value the value to set to the entry
  */
 public void set(int i, float value) {
   entries.set(i, value);
 }