#ifndef _CAFFE_UTIL_IM2COL_HPP_

#define _CAFFE_UTIL_IM2COL_HPP_

namespace caffe {

template <typename Dtype>

void im2col_cpu(const Dtype* data_im, const int channels,

const int height, const int width, const int kernel_h, const int kernel_w,

const int pad_h, const int pad_w, const int stride_h,

const int stride_w, Dtype* data_col);

template <typename Dtype>

void col2im_cpu(const Dtype* data_col, const int channels,

const int height, const int width, const int patch_h, const int patch_w,

const int pad_h, const int pad_w, const int stride_h,

const int stride_w, Dtype* data_im);

template <typename Dtype>

void im2col_gpu(const Dtype* data_im, const int channels,

const int height, const int width, const int kernel_h, const int kernel_w,

const int pad_h, const int pad_w, const int stride_h,

const int stride_w, Dtype* data_col);

template <typename Dtype>

void col2im_gpu(const Dtype* data_col, const int channels,

const int height, const int width, const int patch_h, const int patch_w,

const int pad_h, const int pad_w, const int stride_h,

const int stride_w, Dtype* data_im);

} // namespace caffe

#endif // CAFFE_UTIL_IM2COL_HPP_