ai.vespa.airlift.zstd.HuffmanTableWriterWorkspace 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 static ai.vespa.airlift.zstd.Huffman.MAX_FSE_TABLE_LOG;
import static ai.vespa.airlift.zstd.Huffman.MAX_SYMBOL;
import static ai.vespa.airlift.zstd.Huffman.MAX_TABLE_LOG;
class HuffmanTableWriterWorkspace
{
// for encoding weights
public final byte[] weights = new byte[MAX_SYMBOL]; // the weight for the last symbol is implicit
// for compressing weights
public final int[] counts = new int[MAX_TABLE_LOG + 1];
public final short[] normalizedCounts = new short[MAX_TABLE_LOG + 1];
public final FseCompressionTable fseTable = new FseCompressionTable(MAX_FSE_TABLE_LOG, MAX_TABLE_LOG);
}