From f0bb13e17c9cf16b4bfe76e2b461a3294b5fd13c Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Mon, 12 Feb 2018 13:38:03 +0100
Subject: [PATCH] magic texture adjustment: fixed the algorithm

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

diff --git a/textures.cpp b/textures.cpp
index a9bc78a2..a67427fd 100644
--- a/textures.cpp
+++ b/textures.cpp
@@ -596,7 +596,7 @@ void applyMagic() {
     
     bool failed = false;
     
-    for(ld delta = 1; delta > 1e-9; delta *= (failed ? -.7 : 1.2)) {
+    for(ld delta = 1; abs(delta) > 1e-9; delta *= (failed ? -.7 : 1.2)) {
       p.apply(delta);
       ld nq = magic_quality();
       if(nq < cq) {