From fdcba734c976510e57219017ec0f5b66b82c3e8e Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Mon, 21 Sep 2020 12:03:32 +0200
Subject: [PATCH] fixed direct_exp in S2xE

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

diff --git a/nonisotropic.cpp b/nonisotropic.cpp
index 642a6fe3..a24b87eb 100644
--- a/nonisotropic.cpp
+++ b/nonisotropic.cpp
@@ -1614,7 +1614,7 @@ EX namespace product {
   EX hyperpoint direct_exp(hyperpoint h) {
     hyperpoint res;
     ld d = hypot_d(2, h);
-    ld cd = d == 0 ? 0 : sinh(d) / d;
+    ld cd = d == 0 ? 0 : sin_auto(d) / d;
     res[0] = h[0] * cd;
     res[1] = h[1] * cd;
     res[2] = cos_auto(d);