From 8b5c0f923d99d42441c7f858d20022ec0c6a5cd9 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Tue, 27 Aug 2019 09:18:59 +0200
Subject: [PATCH] fix relative_matrix in elliptic 3D

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

diff --git a/sphere.cpp b/sphere.cpp
index ed45847e..40d0794e 100644
--- a/sphere.cpp
+++ b/sphere.cpp
@@ -178,7 +178,7 @@ struct hrmap_spherical : hrmap_standard {
       }
     if(gmatrix0.count(c2) && gmatrix0.count(c1)) {
       transmatrix T = inverse(gmatrix0[c1]) * gmatrix0[c2];
-      if(elliptic && T[2][2] < 0)
+      if(elliptic && T[LDIM][LDIM] < 0)
         T = centralsym * T;
       return T;
       }