From 60ec882d407eb26831ed611c36362a10048004d1 Mon Sep 17 00:00:00 2001
From: Mourad Boufarguine <bouffa@gmail.com>
Date: Sun, 19 Feb 2017 22:24:24 +0100
Subject: [PATCH] Fixed the build of ndt_2d with Eigen 3.3

Fixes http://www.pcl-users.org/Compiling-PCL-1-8-with-visual-studio-2013-td4043387.html
---
 registration/include/pcl/registration/impl/ndt_2d.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/registration/include/pcl/registration/impl/ndt_2d.hpp b/registration/include/pcl/registration/impl/ndt_2d.hpp
index 880520969be..1194d8fc8b9 100644
--- a/registration/include/pcl/registration/impl/ndt_2d.hpp
+++ b/registration/include/pcl/registration/impl/ndt_2d.hpp
@@ -358,6 +358,7 @@ namespace Eigen
   template<typename PointT> struct NumTraits<pcl::ndt2d::NormalDist<PointT> >
   {
     typedef double Real;
+    typedef double Literal;
     static Real dummy_precision () { return 1.0; }
     enum {
       IsComplex = 0,