From 56e9f95656e368f4f524a29af1b27050370bed2a Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sat, 30 Nov 2019 19:32:43 +0100
Subject: [PATCH] fixed freeze when enabling cspin/cmirror without enabling
 csteps

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

diff --git a/nonisotropic.cpp b/nonisotropic.cpp
index a70e1a58..497a5c73 100644
--- a/nonisotropic.cpp
+++ b/nonisotropic.cpp
@@ -1303,7 +1303,7 @@ EX namespace product {
     
     hrmap_product() {
       current_spin_invalid = false;
-      if(cspin || cmirror) {
+      if((cspin || cmirror) && csteps) {
         in_underlying([&] {
           twisted = validate_spin();
           if(!twisted) { current_spin_invalid = true; return; }