From 5b7713dd33f5d16282f69f10c33a739554762782 Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Tue, 19 Jan 2016 17:05:10 -0800
Subject: Record whether the underlying tensor storage can be accessed directly
 during the evaluation of an expression.

---
 unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h')

diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h b/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
index 902f25247..f726585b1 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
@@ -43,6 +43,7 @@ struct TensorEvaluator
     PacketAccess = Derived::PacketAccess,
     Layout = Derived::Layout,
     CoordAccess = NumCoords > 0,
+    RawAccess = true
   };
 
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorEvaluator(const Derived& m, const Device& device)
@@ -148,6 +149,7 @@ struct TensorEvaluator<const Derived, Device>
     PacketAccess = Derived::PacketAccess,
     Layout = Derived::Layout,
     CoordAccess = NumCoords > 0,
+    RawAccess = true
   };
 
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorEvaluator(const Derived& m, const Device& device)
@@ -207,6 +209,7 @@ struct TensorEvaluator<const TensorCwiseNullaryOp<NullaryOp, ArgType>, Device>
     PacketAccess = internal::functor_traits<NullaryOp>::PacketAccess,
     Layout = TensorEvaluator<ArgType, Device>::Layout,
     CoordAccess = false,  // to be implemented
+    RawAccess = false
   };
 
   EIGEN_DEVICE_FUNC
@@ -257,6 +260,7 @@ struct TensorEvaluator<const TensorCwiseUnaryOp<UnaryOp, ArgType>, Device>
     PacketAccess = TensorEvaluator<ArgType, Device>::PacketAccess & internal::functor_traits<UnaryOp>::PacketAccess,
     Layout = TensorEvaluator<ArgType, Device>::Layout,
     CoordAccess = false,  // to be implemented
+    RawAccess = false
   };
 
   EIGEN_DEVICE_FUNC TensorEvaluator(const XprType& op, const Device& device)
@@ -312,6 +316,7 @@ struct TensorEvaluator<const TensorCwiseBinaryOp<BinaryOp, LeftArgType, RightArg
                    internal::functor_traits<BinaryOp>::PacketAccess,
     Layout = TensorEvaluator<LeftArgType, Device>::Layout,
     CoordAccess = false,  // to be implemented
+    RawAccess = false
   };
 
   EIGEN_DEVICE_FUNC TensorEvaluator(const XprType& op, const Device& device)
@@ -378,6 +383,7 @@ struct TensorEvaluator<const TensorSelectOp<IfArgType, ThenArgType, ElseArgType>
                    internal::packet_traits<Scalar>::HasBlend,
     Layout = TensorEvaluator<IfArgType, Device>::Layout,
     CoordAccess = false,  // to be implemented
+    RawAccess = false
   };
 
   EIGEN_DEVICE_FUNC TensorEvaluator(const XprType& op, const Device& device)
-- 
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