15 April 2026  10:51:44.200 PM
 
test_digraph_arc_test():
  Fortran90 version
  Test test_digraph_arc(), which returns digraphs
  defined by an arc list.

digraph_arc_example_abc_test():
  digraph_arc_example_abc() returns the abc digraph arc list.
 
  The abc digraph arc list
 
 1: ( 1, 2)
 2: ( 2, 3)
 3: ( 3, 1)

digraph_arc_example_abcd_test():
  digraph_arc_example_abcd() returns the abcd digraph arc list.
 
  The abcd digraph arc list
 
 1: ( 1, 2)
 2: ( 2, 3)
 3: ( 3, 1)
 4: ( 3, 4)
 5: ( 4, 1)

digraph_arc_example_cycler_test():
  digraph_arc_example_cycler() returns the cycler digraph arc list.
 
  The cycler digraph arc list
 
 1: ( 1, 3)
 2: ( 1, 5)
 3: ( 2, 6)
 4: ( 2, 8)
 5: ( 3, 4)
 6: ( 3, 6)
 7: ( 3, 7)
 8: ( 4, 3)
 9: ( 5, 2)
10: ( 6, 4)
11: ( 6, 8)
12: ( 7, 7)
13: ( 7, 9)
14: ( 8, 1)
15: ( 9, 5)
16: ( 9, 7)

digraph_arc_example_five_test():
  digraph_arc_example_five() returns the five digraph arc list.
 
  The five digraph arc list
 
 1: ( 1, 2)
 2: ( 2, 5)
 3: ( 3, 1)
 4: ( 4, 1)
 5: ( 5, 1)

digraph_arc_example_moler_test():
  digraph_arc_example_moler() returns the Moler digraph arc list.
 
  The Moler digraph arc list
 
 1: ( 1, 2)
 2: ( 1, 6)
 3: ( 2, 3)
 4: ( 2, 4)
 5: ( 3, 4)
 6: ( 3, 5)
 7: ( 3, 6)
 8: ( 4, 1)
 9: ( 5, 5)
10: ( 6, 1)

digraph_arc_example_sauer_test():
  digraph_arc_example_sauer() returns the Sauer digraph arc list.
 
  The Sauer digraph arc list
 
 1: ( 5, 1)
 2: ( 1, 2)
 3: ( 3, 2)
 4: ( 2, 3)
 5: ( 4, 3)
 6: ( 8, 4)
 7: ( 2, 5)
 8: ( 9, 5)
 9: ( 3, 6)
10: ( 9, 6)
11: ( 2, 7)
12: (12, 7)
13: ( 3, 8)
14: (12, 8)
15: ( 1, 9)
16: (13, 9)
17: ( 5,10)
18: ( 6,10)
19: ( 7,10)
20: ( 9,10)
21: (14,10)
22: ( 6,11)
23: ( 7,11)
24: ( 8,11)
25: (12,11)
26: (14,11)
27: ( 4,12)
28: (15,12)
29: (10,13)
30: (14,13)
31: (13,14)
32: (15,14)
33: (11,15)
34: (14,15)

digraph_arc_example_sixty_test():
  digraph_arc_example_sixty() returns the Sixty digraph arc list.
 
  The Sixty digraph arc list
 
 1: ( 1, 1)
 2: ( 1, 2)
 3: ( 1, 3)
 4: ( 1, 4)
 5: ( 1, 5)
 6: ( 1, 6)
 7: ( 1, 7)
 8: ( 1, 8)
 9: ( 1, 9)
10: ( 1,10)
11: ( 1,11)
12: ( 1,12)
13: ( 2, 2)
14: ( 2, 4)
15: ( 2, 6)
16: ( 2, 7)
17: ( 2, 8)
18: ( 2,10)
19: ( 2,11)
20: ( 2,12)
21: ( 3, 3)
22: ( 3, 6)
23: ( 3, 8)
24: ( 3, 9)
25: ( 3,11)
26: ( 3,12)
27: ( 4, 4)
28: ( 4, 8)
29: ( 4,10)
30: ( 4,12)
31: ( 5, 5)
32: ( 5, 7)
33: ( 5, 9)
34: ( 5,10)
35: ( 5,11)
36: ( 5,12)
37: ( 6, 6)
38: ( 6, 8)
39: ( 6,11)
40: ( 6,12)
41: ( 7, 7)
42: ( 7,10)
43: ( 7,11)
44: ( 7,12)
45: ( 8, 8)
46: ( 8,12)
47: ( 9, 9)
48: ( 9,11)
49: ( 9,12)
50: (10,10)
51: (10,12)
52: (11,11)
53: (11,12)
54: (12,12)
 
test_digraph_arc_test():
  Normal end of execution.
 
15 April 2026  10:51:44.200 PM