From 33647a56c2c452347fe09d73beab40600fb6b477 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Tue, 28 Jul 2020 00:42:02 +0200
Subject: [PATCH] fixed distance computation in periodic product spaces (racing
 in H2xE no longer freezes)

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

diff --git a/nonisotropic.cpp b/nonisotropic.cpp
index 5feabd5d..3bb61f72 100644
--- a/nonisotropic.cpp
+++ b/nonisotropic.cpp
@@ -1428,7 +1428,7 @@ EX namespace hybrid {
         if(w1.second == w2.second) {
           int d = PIU(hr::celldistance(w1.first, w2.first));
           a = min(s+d, a);
-          b = max(s-d, a);
+          b = max(s-d, b);
           }
         c = c->cmove(c1->type-1); s++;
         }