text: /*
   * Copyright (c) 2016-2018 ARM Limited.
   *
   * SPDX-License-Identifier: MIT
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to
   * deal in the Software without restriction, including without limitation the
   * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   * sell copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  #ifndef __ARM_COMPUTE_NEGEMMTRANSPOSE1xWKERNEL_H__
  #define __ARM_COMPUTE_NEGEMMTRANSPOSE1xWKERNEL_H__
  
  #include "arm_compute/core/NEON/INESimpleKernel.h"
  
  namespace arm_compute
  {
  class ITensor;
  
  /** NEON kernel which transposes the elements of a matrix in chunks of 1xW, where W is equal to (16 / element size of the tensor)
   *
   * Following an example of how the transposition1xW works when the input data is F32
   *
   * @f[
   * \left( \begin{array}{cccc}
   * a00 & a01 & a02 & a03 \\
   * a10 & a11 & a12 & a13 \\
   * a20 & a21 & a22 & a23 \\
   * a30 & a31 & a32 & a33 \\
   * \end{array} \right)
   * \rightarrow
   * \left( \begin{array}{ccccccccccccccccc}
   * a00 & a01 & a02 & a03 & a10 & a11 & a12 & a13 & a20 & a21 & a22 & a23 & a30 & a31 & a32 & a33 \\
   * \end{array} \right)
   * @f]
   *
   * Following an example of how the transposition1xW works when the input data type is F16
   *
   * @f[
   * \left( \begin{array}{cccccccc}
   * a00 & a01 & a02 & a03 & a04 & a05 & a06 & a07 \\
   * a10 & a11 & a12 & a13 & a14 & a15 & a16 & a17 \\
   * a20 & a21 & a22 & a23 & a24 & a25 & a26 & a27 \\
   * a30 & a31 & a32 & a33 & a34 & a35 & a36 & a37 \\
   * \end{array} \right)
   * \rightarrow
   * \left( \begin{array}{cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc}
   * a00 & a01 & a02 & a03 & a04 & a05 & a06 & a07 & a10 & a11 & a12 & a13 & a14 & a15 & a16 & a17 & a20 & a21 & a22 & a23 & a24 & a25 & a26 & a27 & a30 & a31 & a32 & a33 & a34 & a35 & a36 & a37\\
   * \end{array} \right)
   * @f]
   *
   * @note The output matrix will have the following shape: [ height * W, ceil(width / W) ], where W = (16 / element size of the tensor)
   *
   */
  class NEGEMMTranspose1xWKernel : public INESimpleKernel
  {
  public:
      const char *name() const override
      {
          return "NEGEMMTranspose1xWKernel";
      }
      /** Initialise the kernel's input and output.
       *
       * @param[in]  input  Input tensor. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32
       * @param[out] output Output tensor. Data type supported: same as @p input.
       */
      void configure(const ITensor *input, ITensor *output);
      /** Static function to check if given info will lead to a valid configuration of @ref NEGEMMTranspose1xWKernel
       *
       * @param[in] input  Input tensor info. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32
       * @param[in] output Output tensor info. Data type supported: same as @p input.
       *
       * @return a status
       */
      static Status validate(const ITensorInfo *input, const ITensorInfo *output);
  
      // Inherited methods overridden:
      void run(const Window &window, const ThreadInfo &info) override;
  };
  } // namespace arm_compute
  #endif /*__ARM_COMPUTE_NEGEMMTRANSPOSE1xWKERNEL_H__ */
  