From 1dff27636fe963969d79424054e65aa731d2a29e Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Sun, 24 Jan 2021 22:00:36 -0700
Subject: [PATCH] Simplify some code.

---
 source/grid/reference_cell.cc | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/source/grid/reference_cell.cc b/source/grid/reference_cell.cc
index 2ce04c7d8e..19a303d0b8 100644
--- a/source/grid/reference_cell.cc
+++ b/source/grid/reference_cell.cc
@@ -75,19 +75,11 @@ namespace ReferenceCell
       }
     else if (reference_cell == Type::Tri)
       {
-        std::vector<Point<spacedim>> vertices;
-        if (spacedim == 2)
-          {
-            vertices.emplace_back(0.0, 0.0);
-            vertices.emplace_back(1.0, 0.0);
-            vertices.emplace_back(0.0, 1.0);
-          }
-        else if (spacedim == 3)
-          {
-            vertices.emplace_back(0.0, 0.0, 0.0);
-            vertices.emplace_back(1.0, 0.0, 0.0);
-            vertices.emplace_back(0.0, 1.0, 0.0);
-          }
+        const std::vector<Point<spacedim>> vertices = {
+          Point<spacedim>(),               // the origin
+          Point<spacedim>::unit_vector(0), // unit point along x-axis
+          Point<spacedim>::unit_vector(1)  // unit point along y-axis
+        };
 
         std::vector<CellData<dim>> cells(1);
         cells[0].vertices = {0, 1, 2};
-- 
2.39.5