From 3182bdbae68b11aa8278107ca71c5df2de789e66 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Mon, 17 Jul 2017 11:01:28 +0200
Subject: [PATCH] Disable vectorization when compiled by nvcc, even is
 EIGEN_NO_CUDA is defined

---
 Eigen/Core | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Eigen/Core b/Eigen/Core
index d2edbd2bc..f613ee9aa 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -55,6 +55,10 @@
   #define EIGEN_DEVICE_FUNC
 #endif
 
+#ifdef __NVCC__
+#define EIGEN_DONT_VECTORIZE
+#endif
+
 // When compiling CUDA device code with NVCC, pull in math functions from the
 // global namespace.  In host mode, and when device doee with clang, use the
 // std versions.