Java TObjectDoubleIterator类代码示例

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
@Override
public Iterator<Pair<KeyArgs, Double>> iterator() {
	return new Iterator<Pair<KeyArgs, Double>>() {
		private final TObjectDoubleIterator<KeyArgs>	innerIterator	= values.iterator();

		@Override
		public boolean hasNext() {
			return innerIterator.hasNext();
		}

		@Override
		public Pair<KeyArgs, Double> next() {
			if (innerIterator.hasNext()) {
				innerIterator.advance();
				return Pair.of(innerIterator.key(), innerIterator.value());
			} else {
				return null;
			}
		}

		@Override
		public void remove() {
			innerIterator.remove();
		}
	};
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
@Override
public Iterator<ObjectDoubleEntry<KEY>> iterator() {
	return new Iterator<ObjectDoubleEntry<KEY>>() {
		TObjectDoubleIterator<KEY> iter = paramsMap.iterator();
		ObjectDoubleEntry<KEY> entry = new ObjectDoubleEntry<KEY>();

		@Override
		public boolean hasNext() {
			return iter.hasNext();
		}

		@Override
		public ObjectDoubleEntry<KEY> next() {
			iter.advance();
			entry.key = iter.key();
			entry.value = iter.value();
			return entry;
		}

		@Override
		public void remove() {
			throw new UnsupportedOperationException("Not supported");
		}
	};
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
/**
 * compute the inner product between this and vec.
 */
public double dot(StringKeyedVector vec) {
    if (vec instanceof LazyVector) {
        return vec.dot(this);
    }
    ByteArrayDoubleHashMap vec_small = this.size() > vec.size() ? vec.vector
            : this.vector;
    ByteArrayDoubleHashMap vec_big = this.size() > vec.size() ? this.vector
            : vec.vector;
    double res = 0.0;
    for (TObjectDoubleIterator<byte[]> it = vec_small.troveIterator(); it
            .hasNext();) {
        it.advance();
        if (vec_big.containsKey(it.key())) {
            res += it.value() * vec_big.getPrimitive(it.key());
        }
    }
    return res;
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
public Iterator<Map.Entry<String, Double>> iterator() {
    return new Iterator<Map.Entry<String, Double>>() {
        private TObjectDoubleIterator<byte[]> iter = troveIterator();

        public boolean hasNext() {
            return iter.hasNext();
        }

        public void remove() {
            iter.remove();
        }

        public Map.Entry<String, Double> next() {
            iter.advance();
            return new AbstractMap.SimpleImmutableEntry<String, Double>(
                    byteArrayToString(iter.key()), iter.value());
        }
    };
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
/**
 * Compares this map with another map for equality of their stored
 * entries.
 *
 * @param other an <code>Object</code> value
 * @return a <code>boolean</code> value
 */
public boolean equals( Object other ) {
    if ( ! ( other instanceof TObjectDoubleMap ) ) {
        return false;
    }
    TObjectDoubleMap that = ( TObjectDoubleMap ) other;
    if ( that.size() != this.size() ) {
        return false;
    }
    try {
        TObjectDoubleIterator iter = this.iterator();
        while ( iter.hasNext() ) {
            iter.advance();
            Object key = iter.key();
            double value = iter.value();
            if ( value == no_entry_value ) {
                if ( !( that.get( key ) == that.getNoEntryValue() &&
                 that.containsKey( key ) ) ) {

                    return false;
                }
            } else {
                if ( value != that.get( key ) ) {
                    return false;
                }
            }
        }
    } catch ( ClassCastException ex ) {
        // unused.
    }
    return true;
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
/**
 * Compares this map with another map for equality of their stored
 * entries.
 *
 * @param other an <code>Object</code> value
 * @return a <code>boolean</code> value
 */
public boolean equals(final Object other ) {
    if ( ! ( other instanceof TObjectDoubleMap ) ) {
        return false;
    }
    final TObjectDoubleMap that = ( TObjectDoubleMap ) other;
    if ( that.size() != this.size() ) {
        return false;
    }
    try {
        final TObjectDoubleIterator iter = this.iterator();
        while ( iter.hasNext() ) {
            iter.advance();
            final Object key = iter.key();
            final double value = iter.value();
            if ( value == no_entry_value ) {
                if ( !( that.get( key ) == that.getNoEntryValue() &&
                 that.containsKey( key ) ) ) {

                    return false;
                }
            } else {
                if ( value != that.get( key ) ) {
                    return false;
                }
            }
        }
    } catch ( final ClassCastException ex ) {
        // unused.
    }
    return true;
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
/**
 * Compares this map with another map for equality of their stored
 * entries.
 *
 * @param other an <code>Object</code> value
 * @return a <code>boolean</code> value
 */
@Override
@SuppressWarnings("rawtypes")
public boolean equals( Object other ) {
    if ( ! ( other instanceof TObjectDoubleMap ) ) {
        return false;
    }
    TObjectDoubleMap that = ( TObjectDoubleMap ) other;
    if ( that.size() != this.size() ) {
        return false;
    }
    try {
        TObjectDoubleIterator iter = this.iterator();
        while ( iter.hasNext() ) {
            iter.advance();
            Object key = iter.key();
            double value = iter.value();
            if ( value == no_entry_value ) {
                if ( !( that.get( key ) == that.getNoEntryValue() &&
                 that.containsKey( key ) ) ) {

                    return false;
                }
            } else {
                if ( value != that.get( key ) ) {
                    return false;
                }
            }
        }
    } catch ( ClassCastException ex ) {
        // unused.
    }
    return true;
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
/**
 * Compares this map with another map for equality of their stored
 * entries.
 *
 * @param other an <code>Object</code> value
 * @return a <code>boolean</code> value
 */
public boolean equals( Object other ) {
    if ( ! ( other instanceof TObjectDoubleMap ) ) {
        return false;
    }
    TObjectDoubleMap that = ( TObjectDoubleMap ) other;
    if ( that.size() != this.size() ) {
        return false;
    }
    try {
        TObjectDoubleIterator iter = this.iterator();
        while ( iter.hasNext() ) {
            iter.advance();
            Object key = iter.key();
            double value = iter.value();
            if ( value == no_entry_value ) {
                if ( !( that.get( key ) == that.getNoEntryValue() && that.containsKey( key ) ) ) {
                    return false;
                }
            } else {
                if ( value != that.get( key ) ) {
                    return false;
                }
            }
        }
    } catch ( ClassCastException ex ) {
        // unused.
    }
    return true;
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
/**
 * Compares this map with another map for equality of their stored
 * entries.
 *
 * @param other an <code>Object</code> value
 * @return a <code>boolean</code> value
 */
public boolean equals( Object other ) {
    if ( ! ( other instanceof TObjectDoubleMap ) ) {
        return false;
    }
    TObjectDoubleMap that = ( TObjectDoubleMap ) other;
    if ( that.size() != this.size() ) {
        return false;
    }
    try {
        TObjectDoubleIterator iter = this.iterator();
        while ( iter.hasNext() ) {
            iter.advance();
            Object key = iter.key();
            double value = iter.value();
            if ( value == no_entry_value ) {
                if ( !( that.get( key ) == that.getNoEntryValue() && that.containsKey( key ) ) ) {
                    return false;
                }
            } else {
                if ( value != that.get( key ) ) {
                    return false;
                }
            }
        }
    } catch ( ClassCastException ex ) {
        // unused.
        logger.warn("An error occurred!", ex);
    }
    return true;
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
public void delazify() {
    for (TObjectDoubleIterator<byte[]> it = vector.troveIterator(); it
            .hasNext();) {
        it.advance();
        long startIter = (long)iterations.getPrimitive(it.key()); // defaults
                                                                  // to 0.0
        if (startIter < iteration) {
            it.setValue(updater.lazyUpdate(it.key().toString(), it.value(), startIter, iteration));
            iterations.putPrimitive(it.key(), (double)iteration);
        }
    }
    removeZeroCoordinates();
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
public void skipToIteration(long iter) {
    delazify();
    iteration = iter;
    for (TObjectDoubleIterator<byte[]> it = iterations.troveIterator(); it
            .hasNext();) {
        it.advance();
        it.setValue((double)iter);
    }
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
/**
 * Remove zeros that may have appeared as a result of a transform
 */
public void removeZeroCoordinates() {
    for (TObjectDoubleIterator<byte[]> it = vector.troveIterator(); it
            .hasNext();) {
        it.advance();
        if (Utilities.floatingPointEquals(it.value(), 0d)) {
            iterations.removePrimitive(it.key());
            it.remove();
        }
    }
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
protected double dotWithSKV(StringKeyedVector vec) {
    // dont figure out which ones bigger etc, since delazifying this to get
    // the size is too slow.
    double res = 0.0;
    for (TObjectDoubleIterator<byte[]> it = vec.vector.troveIterator(); it
            .hasNext();) {
        it.advance();
        res += it.value() * delazifyCoordinate(it.key());
    }
    return res;
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
/**
 * add a multiple of vec to this.
 */
public void addScaled(StringKeyedVector vec, double scale) {
    if (vec instanceof LazyVector) {
        ((LazyVector)vec).delazify();
    }
    for (TObjectDoubleIterator<byte[]> it = vec.vector.troveIterator(); it
            .hasNext();) {
        it.advance();
        addToCoordinateInternal(it.key(), scale * it.value());
    }
}
 

import gnu.trove.iterator.TObjectDoubleIterator; //导入依赖的package包/类
public StringKeyedVector multiplyPointwise(StringKeyedVector vec) {
    StringKeyedVector res = new StringKeyedVector();
    if (vec instanceof LazyVector) {
        ((LazyVector)vec).delazify();
    }
    for (TObjectDoubleIterator<byte[]> it = vec.vector.troveIterator(); it
            .hasNext();) {
        it.advance();
        res.vector.putPrimitive(it.key(), vector.getPrimitive(it.key())
                * it.value());
    }
    return res;
}