Revert "Fix Half NaN definition and test."

This reverts commit c770746d709686ef2b8b652616d9232f9b028e78.

1 files changed, 0 insertions, 14 deletions

diff --git a/Eigen/src/Core/GenericPacketMath.h b/Eigen/src/Core/GenericPacketMath.h
index e8065f8aa..e2fc7002b 100644
--- a/Eigen/src/Core/GenericPacketMath.h
+++ b/Eigen/src/Core/GenericPacketMath.h
@@ -539,20 +539,6 @@ inline void pbroadcast2(const typename unpacket_traits<Packet>::type *a,
 template<typename Packet> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet
 plset(const typename unpacket_traits<Packet>::type& a) { return a; }
 
-/** \internal \returns a packet with constant coefficients \a a, e.g.: (x, 0, x, 0),
-     where x is the value of all 1-bits. */
-template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
-peven_mask(const Packet& /*a*/) {
-  typedef typename unpacket_traits<Packet>::type Scalar;
-  const size_t n = unpacket_traits<Packet>::size;
-  Scalar elements[n];
-  for(size_t i = 0; i < n; ++i) {
-    memset(elements+i, ((i & 1) == 0 ? 0xff : 0), sizeof(Scalar));
-  }
-  return ploadu<Packet>(elements);
-}
-
-
 /** \internal copy the packet \a from to \a *to, \a to must be 16 bytes aligned */
 template<typename Scalar, typename Packet> EIGEN_DEVICE_FUNC inline void pstore(Scalar* to, const Packet& from)
 { (*to) = from; }