NOTICE

Apache DataSketches Memory

Copyright 2015-2018 Yahoo
Copyright 2018- Verizon
Copyright 2019 The Apache Software Foundation

This product includes software developed at
The Apache Software Foundation (http://www.apache.org/).

Prior to moving to ASF, the software for this project was developed at
Yahoo (now Verizon Media) (https://developer.yahoo.com).

This product contains 3rd party code under the following licenses:

Apache License version 2.0 (see LICENSE)
================================
This product contains code to implement the xxHash function:
  * https://github.com/apache/incubator-datasketches-java/blob/master/src/main/java/org/apache/datasketches/hash/XxHash.java

This code was adapted from
  https://github.com/OpenHFT/Zero-Allocation-Hashing, 
  Copyright 2015 Higher Frequency Trading http://www.higherfrequencytrading.com


BSD-2-Clause License (see LICENSE):
================================
This product contains code to implement the xxHash function:
  * https://github.com/apache/incubator-datasketches-java/blob/master/src/main/java/org/apache/datasketches/hash/XxHash.java
  * https://github.com/apache/incubator-datasketches-java/blob/master/src/test/java/org/apache/datasketches/hash/XxHashTest.java
and adapted from C++
  https://github.com/Cyan4973/xxHash/blob/dev/xxhash.c,
  https://github.com/Cyan4973/xxHash/blob/dev/xxhash.h,
  both Copyright (C) 2012-2016, Yann Collet.


Public Domain (optional notice)
================================
  This product contains the code to implement and test Austin Appleby's C++ implementation of the 
  MurmurHash3 algorithm, which is in the public domain,
  * https://github.com/apache/incubator-datasketches-java/blob/master/src/main/java/org/apache/datasketches/hash/MurmurHash3.java
  * https://github.com/apache/incubator-datasketches-java/blob/master/src/main/java/org/apache/datasketches/hash/MurmurHash3Adaptor.java
  * https://github.com/apache/incubator-datasketches-java/blob/master/src/main/java/org/apache/datasketches/hash/MurmurHash3v2.java
  * https://github.com/apache/incubator-datasketches-java/blob/master/src/test/java/org/apache/datasketches/hash/MurmurHash3AdaptorTest.java
  * https://github.com/apache/incubator-datasketches-java/blob/master/src/test/java/org/apache/datasketches/hash/MurmurHash3Test.java
  * https://github.com/apache/incubator-datasketches-java/blob/master/src/test/java/org/apache/datasketches/hash/MurmurHash3v2Test.java
  and adapted from C++
  https://github.com/aappleby/smhasher/blob/master/src/MurmurHash3.cpp