From b72ffcb05e2abd631a0302061e06972f5fe8b0cc Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Fri, 11 Mar 2016 16:37:59 -0800
Subject: [PATCH] Made the comparison of Eigen::array GPU friendly

---
 unsupported/Eigen/CXX11/src/Core/util/EmulateArray.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unsupported/Eigen/CXX11/src/Core/util/EmulateArray.h b/unsupported/Eigen/CXX11/src/Core/util/EmulateArray.h
index 894b22009..efe688e50 100644
--- a/unsupported/Eigen/CXX11/src/Core/util/EmulateArray.h
+++ b/unsupported/Eigen/CXX11/src/Core/util/EmulateArray.h
@@ -180,7 +180,7 @@ template <typename T> class array<T, 0> {
 // Comparison operator
 // Todo: implement !=, <, <=, >,  and >=
 template<class T, std::size_t N>
-bool operator==(const array<T,N>& lhs, const array<T,N>& rhs) {
+EIGEN_DEVICE_FUNC bool operator==(const array<T,N>& lhs, const array<T,N>& rhs) {
   for (std::size_t i = 0; i < N; ++i) {
     if (lhs[i] != rhs[i]) {
       return false;