From 0322c66a3f696fed9548fdeb516ebb561e2e02a8 Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Wed, 25 May 2016 15:56:15 -0700
Subject: [PATCH] Explicitly specify the rounding mode when converting floats
 to fp16

---
 Eigen/src/Core/arch/CUDA/PacketMathHalf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/Core/arch/CUDA/PacketMathHalf.h b/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
index 7fb62cbaf..18efcbc72 100644
--- a/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
+++ b/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
@@ -378,7 +378,7 @@ ploadquad<Packet8h>(const Eigen::half* from) {
 
 EIGEN_STRONG_INLINE Packet8f half2float(const Packet8h& a) {
 #ifdef EIGEN_HAS_FP16_C
-  return _mm256_cvtph_ps(a.x);
+  return _mm256_cvtph_ps(a.x, _MM_FROUND_TO_NEAREST_INT|_MM_FROUND_NO_EXC);
 #else
   EIGEN_ALIGN32 Eigen::half aux[8];
   pstore(aux, a);