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-/***************************************************************************************************
- * Copyright (c) 2017-2018, NVIDIA CORPORATION.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are permitted
- * provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright notice, this list of
- *       conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright notice, this list of
- *       conditions and the following disclaimer in the documentation and/or other materials
- *       provided with the distribution.
- *     * Neither the name of the NVIDIA CORPORATION nor the names of its contributors may be used
- *       to endorse or promote products derived from this software without specific prior written
- *       permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TOR (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- **************************************************************************************************/
-/*! \file
-    \brief Defines a structure containing strides and a pointer to tensor data.
-*/
-
-#pragma once
-
-#include <cmath>
-
-#include <cutlass/cutlass.h>
-#include <cutlass/tensor_ref.h>
-
-namespace cutlass {
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
-/// Host-side reference implementation of tensor operations
-template <typename T>
-class TensorView : public TensorRef<T, 4> {
- public:
-  /// Reference and stride
-  typedef TensorRef<T, 4> Base;
-
-  /// Reference and stride
-  typedef Base TensorRef_t;
-
-  /// Reference to constant type
-  typedef TensorRef<T const, 4> ConstTensorRef_t;
-
-  /// Rank of tensor
-  static int const Rank = TensorRef_t::Rank;
-
-  /// Type used to compute the offset of an element to the base of a tensor
-  typedef int Offset_t;
-
-  /// Coordinate into tensor
-  typedef Coord<Rank> Coord_t;
-
- private:
-  //
-  // Data members
-  //
-
-  /// Pointer to pitch-linear memory
-  TensorRef_t ref_;
-
-  /// Dimensions of coordinate (independent of stride)
-  Coord_t size_;
-
- public:
-  //
-  // Device and Host Methods
-  //
-
-  /// Default constructor
-  CUTLASS_HOST_DEVICE
-  TensorView() {}
-
-  /// Constructs a Tensor_view from a TensorRef and size
-  CUTLASS_HOST_DEVICE
-  TensorView(TensorRef_t const& _ref, Coord_t const& _size) : Base(_ref), size_(_size) {}
-
-  /// Returns true if the Tensor_view is bound to some memory
-  CUTLASS_HOST_DEVICE
-  bool good() const { return ref().good(); }
-
-  /// Returns a pointer to data
-  CUTLASS_HOST_DEVICE
-  T* data() const { return ref().data(); }
-
-  /// Updates the reference and size of a Tensor_view object
-  CUTLASS_HOST_DEVICE
-  void reset(TensorRef_t const& _ref = TensorRef_t(0), Coord_t const& _size = Coord_t()) {
-    Base::operator=(_ref);
-    size_ = _size;
-  }
-
-  /// Accesses the tensor reference pointing to data
-  CUTLASS_HOST_DEVICE
-  TensorRef_t& ref() { return *this; }
-
-  ///
-  CUTLASS_HOST_DEVICE
-  ConstTensorRef_t const_ref() { return ConstTensorRef_t(data(), stride()); }
-
-  /// Accesses the tensor reference pointing to data
-  CUTLASS_HOST_DEVICE
-  TensorRef_t const& ref() const { return *this; }
-
-  /// Accesses the size
-  CUTLASS_HOST_DEVICE
-  Coord_t const& size() const { return size_; }
-
-  /// Accesses the size
-  CUTLASS_HOST_DEVICE
-  int size(int dim) const { return size_.at(dim); }
-
-  /// Accesses the stride
-  CUTLASS_HOST_DEVICE
-  Coord_t const& stride() const { return ref().stride(); }
-
-  /// Accesses the stride
-  CUTLASS_HOST_DEVICE
-  int const& stride(int dim) const { return ref().stride(dim); }
-
-  /// Assigns the Tensor_view
-  CUTLASS_HOST_DEVICE
-  TensorView& operator=(TensorView const& _tensor) {
-    Base::operator=(_tensor._ref);
-    size_ = _tensor.size_;
-    return *this;
-  }
-
-  /// Returns the index of an element
-  CUTLASS_HOST_DEVICE
-  Offset_t offset(Coord_t const& coord) const { return ref().offset(coord); }
-
-  /// Determines whether a location is within a tensor
-  CUTLASS_HOST_DEVICE
-  bool contains(Coord_t const& coord) const {
-    for (int dim = 0; dim < Rank; ++dim) {
-      if (coord.at(dim) >= size_.at(dim)) {
-        return false;
-      }
-    }
-    return true;
-  }
-
-  /// Element-wise accessor
-  CUTLASS_HOST_DEVICE
-  T& at(Coord_t const& coord) const { return ref().at(coord); }
-
-  /// Element-wise accessor
-  T& operator[](Coord<Rank> const& coord) const { return at(coord); }
-
-  /// Element-wise accessor
-  CUTLASS_HOST_DEVICE
-  T& at(Offset_t idx) const { return ref().at(idx); }
-
-  /// Returns a Tensor_view given location and size quantities
-  CUTLASS_HOST_DEVICE
-  TensorView<T> subview(Coord_t const& location, Coord_t size) const {
-    return TensorView<T>(ref() + location, size.clamp(size_ - location));
-  }
-};
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
-}  // namespace cutlass