Blob Blame History Raw
--- datastructures-0.2.7/src/hashfunctions.h.orig	2022-03-02 16:41:30.000000000 -0700
+++ datastructures-0.2.7/src/hashfunctions.h	2022-09-07 12:50:49.955397038 -0600
@@ -42,32 +42,4 @@ static inline Obj HashValueToObjInt(UInt
     return INTOBJ_INT(hash);
 }
 
-// Perform a shuffle of a UInt. Ideally, changing any
-// bit would have a 50/50 chance of changing every other bit.
-// The main purpose of this is to allow adding values when
-// we want to hash an unordered list -- while 1+3 = 2+2,
-// HashUInt(1) + HashUInt(3) should not be equal to
-// HashUInt(2) + HashUInt(2)
-// From: http://www.concentric.net/~Ttwang/tech/inthash.htm
-static UInt ShuffleUInt(UInt key)
-{
-#ifdef SYS_IS_64_BIT
-    key = (~key) + (key << 21);    // key = (key << 21) - key - 1;
-    key = key ^ (key >> 24);
-    key = (key + (key << 3)) + (key << 8);    // key * 265
-    key = key ^ (key >> 14);
-    key = (key + (key << 2)) + (key << 4);    // key * 21
-    key = key ^ (key >> 28);
-    key = key + (key << 31);
-#else
-    key = ~key + (key << 15);    // key = (key << 15) - key - 1;
-    key = key ^ (key >> 12);
-    key = key + (key << 2);
-    key = key ^ (key >> 4);
-    key = key * 2057;    // key = (key + (key << 3)) + (key << 11);
-    key = key ^ (key >> 16);
-#endif
-    return key;
-}
-
 #endif