From d6c53f933f61729940843e5ca65cd230b580886f Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Thu, 25 Jul 2019 12:10:06 +0200
Subject: [PATCH] binary:: fixed incorrectly computed use_direct

---
 binary-tiling.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/binary-tiling.cpp b/binary-tiling.cpp
index 581a9b2e..22a59690 100644
--- a/binary-tiling.cpp
+++ b/binary-tiling.cpp
@@ -480,7 +480,7 @@ namespace binary {
   
   void build_tmatrix() {
     if(among(geometry, gBinaryTiling, gSol)) return; // unused
-    use_direct = (1 << S7) - 1;
+    use_direct = (1 << (S7-1)) - 1;
     if(geometry == gBinary4) {
       use_direct = 3;
       direct_tmatrix[0] = xpush(-log(2)) * parabolic(-0.5);