| | |
| | | #include <stdio.h> |
| | | #include <math.h> |
| | | inline void col2im_add_pixel(float *im, int height, int width, int channels, |
| | | void col2im_add_pixel(float *im, int height, int width, int channels, |
| | | int row, int col, int channel, int pad, float val) |
| | | { |
| | | row -= pad; |
| | |
| | | |
| | | if (row < 0 || col < 0 || |
| | | row >= height || col >= width) return; |
| | | im[col + width*(row + channel*height)] += val; |
| | | im[col + width*(row + height*channel)] += val; |
| | | } |
| | | //This one might be too, can't remember. |
| | | void col2im_cpu(float* data_col, |
| | | const int channels, const int height, const int width, |
| | | const int ksize, const int stride, int pad, float* data_im) |
| | | int channels, int height, int width, |
| | | int ksize, int stride, int pad, float* data_im) |
| | | { |
| | | int c,h,w; |
| | | int height_col = (height - ksize) / stride + 1; |
| | |
| | | for (w = 0; w < width_col; ++w) { |
| | | int im_row = h_offset + h * stride; |
| | | int im_col = w_offset + w * stride; |
| | | double val = data_col[(c * height_col + h) * width_col + w]; |
| | | int col_index = (c * height_col + h) * width_col + w; |
| | | double val = data_col[col_index]; |
| | | col2im_add_pixel(data_im, height, width, channels, |
| | | im_row, im_col, c_im, pad, val); |
| | | } |
| | |
| | | } |
| | | } |
| | | |
| | | |