Improving preprocessing functions

main.c

@@ -20,7 +20,7 @@ int main(int argc, char *argv[])
     print_network(net);
     destroy_network(net);*/
 
-    /*Data *data = csv_to_samples("mydata.csv", ",", 70.0, "yes", 3);
+    /*Data *data = csv_to_samples("mydata.csv", 3, ",", 70.0, "yes", 3);
     destroy_data(data);*/
     
     return 0;

preprocessing.c

@@ -42,6 +42,13 @@ Data *init_data()
     return data;
 }
 
+void add_sample_to_data(Data *data, Sample *sample)
+{
+    data->last_sample->next_sample = sample;
+    data->last_sample = sample;
+    data->size++;
+}
+
 void destroy_sample(Sample *sample)
 {
     Feature *temp1;
@@ -73,7 +80,7 @@ void destroy_data(Data *data)
     free(data);
 }
 
-Data *csv_to_samples(char *path_to_csv, char *features_separator, float train_percent, char *apply_onthot_encode, int n_classes)
+Data *csv_to_samples(char *path_to_csv, int n_features, char *features_separator, float train_percent, char *apply_onthot_encode, int n_classes)
 {
     Data *data = init_data();
     FILE *file = fopen(path_to_csv, "r");

preprocessing.h

@@ -42,10 +42,10 @@ Feature *init_feature(float value);
 OneHotLabel *init_onehotlabel(float value);
 Sample *init_sample();
 Data *init_data();
+void add_sample_to_data(Data *data, Sample *sample);
 void destroy_sample(Sample *sample);
 void destroy_data(Data *data);
-Data *csv_to_samples(char *path_to_csv, char *features_separator, float train_percent, char *apply_onthot_encode, int n_classes);
-//Data *csv_to_samples(char *path_to_csv, char *features_separator, float train_percent);
+Data *csv_to_samples(char *path_to_csv, int n_features, char *features_separator, float train_percent, char *apply_onthot_encode, int n_classes);
 void print_data(const Data *data);
 
 #endif