Utils.cpp

#include <ATen/native/mkldnn/Utils.h>
#include <ATen/native/Pool.h>

namespace at { namespace native {

std::vector<int64_t> pool_output_sizes(
    IntArrayRef input_size,
    IntArrayRef kernel_size,
    IntArrayRef stride,
    IntArrayRef padding_l,
    IntArrayRef padding_r,
    IntArrayRef dilation,
    bool ceil_mode) {
  std::vector<int64_t> output_size(input_size.size());
  // copy N and C
  output_size[0] = input_size[0];
  output_size[1] = input_size[1];

  for (size_t i = 2; i < input_size.size(); ++i) {
    output_size[i] = pooling_output_shape_pad_lr<int64_t>(
      input_size[i],
      kernel_size[i - 2],
      padding_l[i - 2],
      padding_r[i - 2],
      stride[i - 2],
      dilation[i - 2],
      ceil_mode
    );
  }

   return output_size;
}

}}