leerho commented on code in PR #675:
URL: https://github.com/apache/datasketches-java/pull/675#discussion_r2249321757


##########
src/main/java/org/apache/datasketches/hash/MurmurHash3.java:
##########
@@ -306,42 +308,34 @@ public static long[] hash(final byte[] key, final int 
offsetBytes, final int len
 
   //--Hash of ByteBuffer---------------------------------------------------
   /**
-   * Hash the remaining bytes of the given ByteBuffer starting at position().
+   * Hash the remaining bytes of the given ByteBuffer starting at position() 
ending at limit (exclusive).
    *
-   * @param buf The input ByteBuffer. It must be non-null and non-empty.
+   * @param buf The input ByteBuffer. It must be non-null and non-empty and 
using Little Endian.

Review Comment:
   Hmm. Good point!  Not just here, but everywhere BB is accepted as input, the 
order should probably be checked.  Although, to be consistent, checking for 
native endianness is probably ok.
   
   I wonder if there is a way to check endianness when the library (jar) is 
loaded into memory. We could check and issue at least a warning.



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