From 642bbbc2bcf36e1f0d0c5d89d7f9a1f121c879d7 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Thu, 18 May 2017 10:29:41 -0500
Subject: [PATCH] Fix 3D face element ordering to maintain positive faces for
 fixed normals formula

---
 meshmode/mesh/__init__.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/meshmode/mesh/__init__.py b/meshmode/mesh/__init__.py
index d3c9c8cf..44dba80b 100644
--- a/meshmode/mesh/__init__.py
+++ b/meshmode/mesh/__init__.py
@@ -288,10 +288,10 @@ class SimplexElementGroup(MeshElementGroup):
                 )
         elif self.dim == 3:
             return (
-                (0, 1, 2),
-                (0, 3, 1),
-                (0, 2, 3),
-                (1, 3, 2)
+                (0, 2, 1),
+                (0, 1, 3),
+                (0, 3, 2),
+                (1, 2, 3)
                 )
         else:
             raise NotImplementedError("dim=%d" % self.dim)
-- 
GitLab