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💣 Machine learning which might blow up in your face 💣
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12345678910111213141516171819202122232425262728293031323334353637383940#include "pad.h"
void pad_cpu(double* data, const int channels, const int height, const int width, const int pad_left, const int pad_top, const int pad_right, const int pad_bottom, double* data_padded) {
const int pad_width = width + pad_left + pad_right; const int pad_height = height + pad_top + pad_bottom;
memset(data_padded, 0, pad_height * pad_width * channels * sizeof(double));
for (int channel = 0; channel < channels; channel++) { double* px = data_padded + (pad_width * pad_top + pad_left) + channel * (pad_width * pad_height); for (int y = 0; y < height; y++) { memcpy(px, data, sizeof(double) * width); px += pad_width; data += width; } }}
void crop_cpu(double* data, const int channels, const int height, const int width, const int crop_left, const int crop_top, const int crop_right, const int crop_bottom, double* data_cropped) {
const int crop_width = width + crop_left + crop_right; const int crop_height = height + crop_top + crop_bottom;
for (int channel = 0; channel < channels; channel++) { double* px = data + (crop_width * crop_top + crop_left) + channel * (crop_width * crop_height); for (int y = 0; y < height; y++) { memcpy(data_cropped, px, sizeof(double) * width); px += crop_width; data_cropped += width; } }}