From 5cf4558c0a139b4f0b6fc0c778fe596def93dd94 Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Thu, 3 Mar 2016 12:36:55 -0800
Subject: [PATCH] Added support for rounding, flooring, and ceiling to the
 tensor api

---
 .../Eigen/CXX11/src/Tensor/TensorBase.h       | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorBase.h b/unsupported/Eigen/CXX11/src/Tensor/TensorBase.h
index 4dea1d3a0..5679e58cf 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorBase.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorBase.h
@@ -232,6 +232,25 @@ class TensorBase<Derived, ReadOnlyAccessors>
       return TensorConversionOp<NewType, const Derived>(derived());
     }
 
+    EIGEN_DEVICE_FUNC
+    EIGEN_STRONG_INLINE const TensorCwiseUnaryOp<internal::scalar_round_op<Scalar>, const Derived>
+    round() const {
+      return unaryExpr(internal::scalar_round_op<Scalar>());
+    }
+
+    EIGEN_DEVICE_FUNC
+    EIGEN_STRONG_INLINE const TensorCwiseUnaryOp<internal::scalar_ceil_op<Scalar>, const Derived>
+    ceil() const {
+      return unaryExpr(internal::scalar_ceil_op<Scalar>());
+    }
+
+    EIGEN_DEVICE_FUNC
+    EIGEN_STRONG_INLINE const TensorCwiseUnaryOp<internal::scalar_floor_op<Scalar>, const Derived>
+    floor() const {
+      return unaryExpr(internal::scalar_floor_op<Scalar>());
+    }
+
+
     // Generic binary operation support.
     template <typename CustomBinaryOp, typename OtherDerived> EIGEN_DEVICE_FUNC
     EIGEN_STRONG_INLINE const TensorCwiseBinaryOp<CustomBinaryOp, const Derived, const OtherDerived>