src/Lucene.Net.TestFramework/Randomized/MurmurHash3.cs

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

namespace Lucene.Net.Randomized
{
    public class MurmurHash3
    {
        private MurmurHash3()
        {
        }

        public static int Hash(int k)
        {
            uint x = (uint)k;

            x ^= x >> 16;
            x *= 0x85ebca6b;
            x ^= x >> 13;
            x *= 0xc2b2ae35;
            x ^= x >> 16;

            return (int)x;
        }
    }
}