From b776bf56b899625b37cc7ef66b96d1467786589f Mon Sep 17 00:00:00 2001
From: Nathan Vegdahl <cessen@cessen.com>
Date: Thu, 23 Apr 2020 08:31:03 +0900
Subject: [PATCH] Improved lk scrambling function.

This actually gets very close to the behavior of a full per-bit
hash, except that you still need a fairly random seed.
---
 sub_crates/sobol/src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sub_crates/sobol/src/lib.rs b/sub_crates/sobol/src/lib.rs
index efbea5a..9d01c51 100644
--- a/sub_crates/sobol/src/lib.rs
+++ b/sub_crates/sobol/src/lib.rs
@@ -80,6 +80,7 @@ fn lk_scramble(mut n: u32, scramble: u32) -> u32 {
     n = n.wrapping_add(scramble);
     for &p in PERMS.iter() {
         n ^= n.wrapping_mul(p);
+        n += n << 1;
     }
     n
 }