From 77cf19fadcaf59e7cdd18ae9407bfe38eeb74d0a Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sat, 28 Sep 2019 16:53:35 +0200
Subject: [PATCH] fixed spherity

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

diff --git a/hypgraph.cpp b/hypgraph.cpp
index 204eb79f..70bf0810 100644
--- a/hypgraph.cpp
+++ b/hypgraph.cpp
@@ -887,7 +887,7 @@ EX ld spherity(const hyperpoint& h) {
   if(!sphere) return 1;
   
   if(vid.alpha > 1) {
-    return to01(1/vid.alpha, 1, -h[2]);
+    return to01(1/vid.alpha, 1, abs(h[2]));
     }  
   
   if(vid.alpha <= 1) {