minor fix to to-string routine for game plans

moptipyapps/ttp/experiment.py

@@ -38,7 +38,7 @@ def base_setup(instance: Instance) -> tuple[Permutations, Execution]:
     """
     ge: Final[GameEncoding] = GameEncoding(instance)
     perms: Final[Permutations] = ge.search_space()
-    return (perms, Execution().set_max_fes(16_777_216).set_log_improvements(
+    return (perms, Execution().set_max_fes(1000000000).set_log_improvements(
         True).set_objective(Errors(instance)).set_search_space(perms)
         .set_solution_space(GamePlanSpace(instance)).set_encoding(
         GameEncoding(instance)))

moptipyapps/ttp/game_plan.py

@@ -40,6 +40,17 @@ def __str__(self):
         """
         Convert the game plan to a compact string.
 
+        The first line of the output is a flattened version of this matrix
+        with the values being separated by `;`. Then we place an empty line.
+
+        We then put a more easy-to-read representation and follow the pattern
+        given at https://robinxval.ugent.be/RobinX/travelRepo.php, which is
+        based upon the notation by Easton et al. Here, first, a row with the
+        team names separated by spaces is generated. Then, each row contains
+        the opponents of these teams, again separated by spaces. If an
+        opponent plays at their home, this is denoted by an `@`.
+        If a team has no scheduled opponent, then this is denoted as `-`.
+
         :return: the compact string
         """
         csv: Final[str] = CSV_SEPARATOR
@@ -67,11 +78,11 @@ def __str__(self):
                 for d in row:
                     sio.write(sep)
                     if d < 0:
-                        idx = -d - 1
-                        sio.write("@")
+                        sio.write(f"@{teams[-d - 1]}")
+                    elif d > 0:
+                        sio.write(teams[d - 1])
                     else:
-                        idx = d - 1
-                    sio.write(teams[idx])
+                        sio.write("-")
                     sep = " "
 
             return sio.getvalue()

moptipyapps/version.py

@@ -1,4 +1,4 @@
 """An internal file with the version of the `moptipyapps` package."""
 from typing import Final
 
-__version__: Final[str] = "0.8.22"
+__version__: Final[str] = "0.8.23"