first test isgood

src/test_t/is_good.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "src/permutation_t/permutation_t.h"
+
+
+int main(){
+  PERMUTATION_TYPE_CHAR *p = CREATE_PERMUTATION_TYPE_CHAR(3);
+  
+  printf(" size = %u \n",p->size);
+
+  return 0;
+}