text: #ifndef DATA_H
  #define DATA_H
  #include <pthread.h>
  
  #include "darknet.h"
  #include "matrix.h"
  #include "list.h"
  #include "image.h"
  #include "tree.h"
  
  static inline float distance_from_edge(int x, int max)
  {
      int dx = (max/2) - x;
      if (dx < 0) dx = -dx;
      dx = (max/2) + 1 - dx;
      dx *= 2;
      float dist = (float)dx/max;
      if (dist > 1) dist = 1;
      return dist;
  }
  void load_data_blocking(load_args args);
  
  
  void print_letters(float *pred, int n);
  data load_data_captcha(char **paths, int n, int m, int k, int w, int h);
  data load_data_captcha_encode(char **paths, int n, int m, int w, int h);
  data load_data_detection(int n, char **paths, int m, int w, int h, int boxes, int classes, float jitter, float hue, float saturation, float exposure);
  data load_data_tag(char **paths, int n, int m, int k, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure);
  matrix load_image_augment_paths(char **paths, int n, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure, int center);
  data load_data_super(char **paths, int n, int m, int w, int h, int scale);
  data load_data_augment(char **paths, int n, int m, char **labels, int k, tree *hierarchy, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure, int center);
  data load_data_regression(char **paths, int n, int m, int classes, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure);
  data load_go(char *filename);
  
  
  data load_data_writing(char **paths, int n, int m, int w, int h, int out_w, int out_h);
  
  void get_random_batch(data d, int n, float *X, float *y);
  data get_data_part(data d, int part, int total);
  data get_random_data(data d, int num);
  data load_categorical_data_csv(char *filename, int target, int k);
  void normalize_data_rows(data d);
  void scale_data_rows(data d, float s);
  void translate_data_rows(data d, float s);
  void randomize_data(data d);
  data *split_data(data d, int part, int total);
  data concat_datas(data *d, int n);
  void fill_truth(char *path, char **labels, int k, float *truth);
  
  #endif
  