From f93d1c58e09b8435191a55f123873d8f496620b6 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 11 Jan 2017 17:08:59 +0100
Subject: [PATCH] Make get_compile_time compatible with variable_if_dynamic

---
 Eigen/src/Core/util/IntegralConstant.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Eigen/src/Core/util/IntegralConstant.h b/Eigen/src/Core/util/IntegralConstant.h
index f6b206275..a4394c464 100644
--- a/Eigen/src/Core/util/IntegralConstant.h
+++ b/Eigen/src/Core/util/IntegralConstant.h
@@ -32,6 +32,12 @@ template<int N,int Default> struct get_compile_time<fix_t<N>,Default> {
   enum { value = N };
 };
 
+template<typename T, int N, int Default>
+struct get_compile_time<variable_if_dynamic<T,N>,Default> {
+  enum { value = N };
+};
+
+
 template<typename T> struct is_compile_time       { enum { value = false }; };
 template<int N> struct is_compile_time<fix_t<N> > { enum { value = true }; };