From b131a4db2439ea1ca4ba86cbc86aa962914915c5 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 27 Nov 2018 23:45:00 +0100
Subject: bug #1631: fix compilation with ARM NEON and clang, and cleanup the
 weird pshiftright_and_cast and pcast_and_shiftleft functions.

---
 Eigen/src/Core/arch/NEON/TypeCasting.h | 8 ++++++++
 1 file changed, 8 insertions(+)

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

diff --git a/Eigen/src/Core/arch/NEON/TypeCasting.h b/Eigen/src/Core/arch/NEON/TypeCasting.h
index 95d1fd0e4..20dbe1332 100644
--- a/Eigen/src/Core/arch/NEON/TypeCasting.h
+++ b/Eigen/src/Core/arch/NEON/TypeCasting.h
@@ -41,6 +41,14 @@ template<> EIGEN_STRONG_INLINE Packet4f pcast<Packet4i, Packet4f>(const Packet4i
   return vcvtq_f32_s32(a);
 }
 
+template<> EIGEN_STRONG_INLINE Packet4i preinterpret<Packet4i,Packet4f>(const Packet4f& a) {
+  return vreinterpretq_s32_f32(a);
+}
+
+template<> EIGEN_STRONG_INLINE Packet4f preinterpret<Packet4f,Packet4i>(const Packet4i& a) {
+  return vreinterpretq_f32_s32(a);
+}
+
 } // end namespace internal
 
 } // end namespace Eigen
-- 
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