From 85428a344025316db654c65e2628d4ceea1eec47 Mon Sep 17 00:00:00 2001
From: Guoqiang QI <425418567@qq.com>
Date: Tue, 8 Sep 2020 09:04:03 +0000
Subject: Add Neon psqrt<Packet2d> and pexp<Packet2d>

---
 Eigen/src/Core/arch/NEON/MathFunctions.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'Eigen/src/Core/arch/NEON/MathFunctions.h')

diff --git a/Eigen/src/Core/arch/NEON/MathFunctions.h b/Eigen/src/Core/arch/NEON/MathFunctions.h
index ab549a683..8bea0ac3c 100644
--- a/Eigen/src/Core/arch/NEON/MathFunctions.h
+++ b/Eigen/src/Core/arch/NEON/MathFunctions.h
@@ -44,6 +44,15 @@ BF16_PACKET_FUNCTION(Packet4f, Packet4bf, plog)
 BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pexp)
 BF16_PACKET_FUNCTION(Packet4f, Packet4bf, ptanh)
 
+
+//---------- double ----------
+
+#if EIGEN_ARCH_ARM64 && !EIGEN_APPLE_DOUBLE_NEON_BUG
+template<> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet2d pexp<Packet2d>(const Packet2d& x)
+{ return pexp_double(x); }
+
+#endif
+
 } // end namespace internal
 
 } // end namespace Eigen
-- 
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