From 3012e755e92d3b3f01f8e7753b5e71cbeaaa40df Mon Sep 17 00:00:00 2001
From: Guoqiang QI <425418567@qq.com>
Date: Tue, 15 Sep 2020 17:10:35 +0000
Subject: Add plog ops support packet2d for NEON

---
 Eigen/src/Core/arch/NEON/MathFunctions.h | 3 +++
 Eigen/src/Core/arch/NEON/PacketMath.h    | 8 +++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

(limited to 'Eigen/src/Core/arch/NEON')

diff --git a/Eigen/src/Core/arch/NEON/MathFunctions.h b/Eigen/src/Core/arch/NEON/MathFunctions.h
index 8bea0ac3c..28167b904 100644
--- a/Eigen/src/Core/arch/NEON/MathFunctions.h
+++ b/Eigen/src/Core/arch/NEON/MathFunctions.h
@@ -51,6 +51,9 @@ BF16_PACKET_FUNCTION(Packet4f, Packet4bf, ptanh)
 template<> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet2d pexp<Packet2d>(const Packet2d& x)
 { return pexp_double(x); }
 
+template<> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet2d plog<Packet2d>(const Packet2d& x)
+{ return plog_double(x); }
+
 #endif
 
 } // end namespace internal
diff --git a/Eigen/src/Core/arch/NEON/PacketMath.h b/Eigen/src/Core/arch/NEON/PacketMath.h
index 2d0f91e2f..530adfeec 100644
--- a/Eigen/src/Core/arch/NEON/PacketMath.h
+++ b/Eigen/src/Core/arch/NEON/PacketMath.h
@@ -3579,7 +3579,7 @@ template<> struct packet_traits<double>  : default_packet_traits
 
     HasSin  = 0,
     HasCos  = 0,
-    HasLog  = 0,
+    HasLog  = 1,
     HasExp  = 1,
     HasSqrt = 1,
     HasTanh = 0,
@@ -3753,6 +3753,12 @@ template<> EIGEN_DEVICE_FUNC inline Packet2d pselect( const Packet2d& mask, cons
 template<> EIGEN_STRONG_INLINE Packet2d pldexp<Packet2d>(const Packet2d& a, const Packet2d& exponent)
 { return pldexp_double(a, exponent); }
 
+template<> EIGEN_STRONG_INLINE Packet2d pfrexp<Packet2d>(const Packet2d& a, Packet2d& exponent)
+{ return pfrexp_double(a,exponent); }
+
+template<> EIGEN_STRONG_INLINE Packet2d pset1frombits<Packet2d>(unsigned long from)
+{ return vreinterpretq_f64_u64(vdupq_n_u64(from)); }
+
 #if EIGEN_FAST_MATH
 
 // Functions for sqrt support packet2d.
-- 
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