text: /*! \file */
  /* ************************************************************************
   * Copyright (c) 2018-2020 Advanced Micro Devices, Inc.
   *
   * 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.
   *
   * ************************************************************************ */
  
  #pragma once
  #ifndef ROCSPARSE_DOTI_HPP
  #define ROCSPARSE_DOTI_HPP
  #include "utility.h"
  
  #include "definitions.h"
  #include "doti_device.h"
  
  template <typename T>
  rocsparse_status rocsparse_doti_template(rocsparse_handle     handle,
                                           rocsparse_int        nnz,
                                           const T*             x_val,
                                           const rocsparse_int* x_ind,
                                           const T*             y,
                                           T*                   result,
                                           rocsparse_index_base idx_base)
  {
      // Check for valid handle
      if(handle == nullptr)
      {
          return rocsparse_status_invalid_handle;
      }
  
      // Logging
      if(handle->pointer_mode == rocsparse_pointer_mode_host)
      {
          log_trace(handle,
                    replaceX<T>("rocsparse_Xdoti"),
                    nnz,
                    (const void*&)x_val,
                    (const void*&)x_ind,
                    (const void*&)y,
                    *result,
                    idx_base);
  
          log_bench(handle, "./rocsparse-bench -f doti -r", replaceX<T>("X"), "--mtx <vector.mtx> ");
      }
      else
      {
          log_trace(handle,
                    replaceX<T>("rocsparse_Xdoti"),
                    nnz,
                    (const void*&)x_val,
                    (const void*&)x_ind,
                    (const void*&)y,
                    (const void*&)result,
                    idx_base);
      }
  
      // Check index base
      if(idx_base != rocsparse_index_base_zero && idx_base != rocsparse_index_base_one)
      {
          return rocsparse_status_invalid_value;
      }
  
      // Check size
      if(nnz < 0)
      {
          return rocsparse_status_invalid_size;
      }
  
      // Quick return if possible
      if(nnz == 0)
      {
          return rocsparse_status_success;
      }
  
      // Check pointer arguments
      if(x_val == nullptr)
      {
          return rocsparse_status_invalid_pointer;
      }
      else if(x_ind == nullptr)
      {
          return rocsparse_status_invalid_pointer;
      }
      else if(y == nullptr)
      {
          return rocsparse_status_invalid_pointer;
      }
      else if(result == nullptr)
      {
          return rocsparse_status_invalid_pointer;
      }
  
      // Stream
      hipStream_t stream = handle->stream;
  
  #define DOTI_DIM 256
      // Get workspace from handle device buffer
      T* workspace = reinterpret_cast<T*>(handle->buffer);
  
      hipLaunchKernelGGL((doti_kernel_part1<T, DOTI_DIM>),
                         dim3(DOTI_DIM),
                         dim3(DOTI_DIM),
                         0,
                         stream,
                         nnz,
                         x_val,
                         x_ind,
                         y,
                         workspace,
                         idx_base);
  
      if(handle->pointer_mode == rocsparse_pointer_mode_device)
      {
          hipLaunchKernelGGL((doti_kernel_part2<T, DOTI_DIM>),
                             dim3(1),
                             dim3(DOTI_DIM),
                             0,
                             stream,
                             DOTI_DIM,
                             workspace,
                             result);
      }
      else
      {
          hipLaunchKernelGGL((doti_kernel_part2<T, DOTI_DIM>),
                             dim3(1),
                             dim3(DOTI_DIM),
                             0,
                             stream,
                             DOTI_DIM,
                             workspace,
                             nullptr);
  
          RETURN_IF_HIP_ERROR(hipMemcpy(result, workspace, sizeof(T), hipMemcpyDeviceToHost));
      }
  #undef DOTI_DIM
  
      return rocsparse_status_success;
  }
  
  #endif // ROCSPARSE_DOTI_HPP
  