ai.vespa.airlift.zstd.HuffmanCompressionTableWorkspace Maven / Gradle / Ivy
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ai.vespa.airlift.zstd;
import java.util.Arrays;
class HuffmanCompressionTableWorkspace
{
public final NodeTable nodeTable = new NodeTable((2 * Huffman.MAX_SYMBOL_COUNT - 1)); // number of nodes in binary tree with MAX_SYMBOL_COUNT leaves
public final short[] entriesPerRank = new short[Huffman.MAX_TABLE_LOG + 1];
public final short[] valuesPerRank = new short[Huffman.MAX_TABLE_LOG + 1];
// for setMaxHeight
public final int[] rankLast = new int[Huffman.MAX_TABLE_LOG + 2];
public void reset()
{
Arrays.fill(entriesPerRank, (short) 0);
Arrays.fill(valuesPerRank, (short) 0);
}
}