From 5cd00068c0830a55414cd91ea621a547d0c5097f Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Mon, 22 Feb 2016 13:59:03 -0800
Subject: [PATCH] include <iostream> in the tensor header since we now use it
 to better report cuda initialization errors

---
 unsupported/Eigen/CXX11/Tensor | 1 +
 1 file changed, 1 insertion(+)

diff --git a/unsupported/Eigen/CXX11/Tensor b/unsupported/Eigen/CXX11/Tensor
index b4f860c41..3b5be4426 100644
--- a/unsupported/Eigen/CXX11/Tensor
+++ b/unsupported/Eigen/CXX11/Tensor
@@ -58,6 +58,7 @@ typedef unsigned __int64 uint64_t;
 #endif
 
 #ifdef EIGEN_USE_GPU
+#include <iostream>
 #include <cuda_runtime.h>
 #if defined(__CUDACC__)
 #include <curand_kernel.h>