text: //*****************************************************************************
  // Copyright 2017-2019 Intel Corporation
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  //*****************************************************************************
  
  #pragma once
  
  #include <cmath>
  
  #include "ngraph/coordinate_transform.hpp"
  #include "ngraph/shape_util.hpp"
  
  namespace ngraph
  {
      namespace runtime
      {
          namespace reference
          {
              static inline void all(const char* arg,
                                     char* out,
                                     const Shape& in_shape,
                                     const Shape& out_shape,
                                     const AxisSet& reduction_axes)
              {
                  CoordinateTransform output_transform(out_shape);
  
                  for (const Coordinate& output_coord : output_transform)
                  {
                      out[output_transform.index(output_coord)] = 1;
                  }
  
                  CoordinateTransform input_transform(in_shape);
  
                  for (const Coordinate& input_coord : input_transform)
                  {
                      Coordinate output_coord = reduce(input_coord, reduction_axes);
                      out[output_transform.index(output_coord)] =
                          out[output_transform.index(output_coord)] &&
                          arg[input_transform.index(input_coord)];
                  }
              }
          }
      }
  }
  