From f197813f370c7977bdd6023c13e08dfaf1f9498d Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Thu, 31 Mar 2016 13:09:23 -0700
Subject: Added the ability to hash a fp16

---
 Eigen/src/Core/arch/CUDA/Half.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'Eigen')

diff --git a/Eigen/src/Core/arch/CUDA/Half.h b/Eigen/src/Core/arch/CUDA/Half.h
index a2a2bac37..44645522a 100644
--- a/Eigen/src/Core/arch/CUDA/Half.h
+++ b/Eigen/src/Core/arch/CUDA/Half.h
@@ -414,6 +414,13 @@ using ::log;
 using ::sqrt;
 using ::floor;
 using ::ceil;
+template <>
+
+struct hash<Eigen::half> {
+  size_t operator()(const Eigen::half& a) const {
+    return std::hash<unsigned short>()(a.x);
+  }
+};
 
 } // end namespace std
 
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