+#include "utils.h"
+#include "sort.h"
+
+bool ascending(int a, int b) {
+ return a > b;
+}
+
+bool descending(int a, int b) {
+ return a < b;
+}
+
+bool ascending_and_even(int a, int b) {
+ return (((a % 2 != 0) && (b % 2 == 0)) || ((a % 2 == 0) && (b % 2 == 0) && ascending(a, b)) \
+ || ((a % 2 != 0) && (b % 2 != 0) && ascending(a, b)));
+}
+
+bool ascending_and_odd(int a, int b) {
+ return (((a % 2 == 0) && (b % 2 != 0)) || ((a % 2 == 0) && (b % 2 == 0) && ascending(a, b)) \
+ || ((a % 2 != 0) && (b % 2 != 0) && ascending(a, b)));
+}
+
+static bool sort_first(int* array, unsigned length, s_criteria_cb sort_criteria) {
+ bool rt = false;
+ for (unsigned i = 0; i < length-1; i++) {
+ if (sort_criteria(array[i], array[i+1])) {
+ swap_int(&array[i], &array[i+1]);
+ rt = true;
+ }
+ }
+ return rt;
+}
+
+/* the feature of this function is awaited in the array.c file */
+void sort_bubble_array(int* array, unsigned length, s_criteria_cb sort_criteria) {
+ bool rt;
+ do {
+ rt = sort_first(array, length, sort_criteria);
+ } while (rt);
+}