Added #include <optional>

Author: d-kad

src/games/gametree.cc

@@ -23,6 +23,7 @@
 #include <iostream>
 #include <algorithm>
 #include <numeric>
+#include <optional>
 
 #include "gambit.h"
 #include "gametree.h"

tests/test_games/noPR-AM.efg

@@ -0,0 +1,13 @@
+EFG 2 R "Untitled Extensive Game" { "Player 1" "Player 2" }
+""
+
+p "" 1 1 "" { "1" "2" } 0
+p "" 2 1 "" { "1" "2" } 0
+p "" 1 1 "" { "1" "2" } 0
+t "" 1 "Outcome 1" { 1, 1 }
+p "" 2 2 "" { "1" "2" "3" } 0
+t "" 2 "Outcome 2" { 0, 2 }
+t "" 5 "Outcome 5" { 0, 5 }
+t "" 6 "Outcome 6" { 0, 6 }
+t "" 3 "Outcome 3" { 0, 3 }
+t "" 4 "Outcome 4" { 2, 0 }

tests/test_games/noPR-action-AM.efg

@@ -0,0 +1,18 @@
+EFG 2 R "Untitled Extensive Game" { "Player 1" "Player 2" }
+""
+
+p "" 1 1 "" { "1" "2" } 0
+p "" 1 1 "" { "1" "2" } 0
+p "" 2 1 "" { "1" "2" } 0
+t "" 1 "Outcome 1" { 1, -1 }
+t "" 2 "Outcome 2" { 2, -2 }
+p "" 2 2 "" { "1" "2" } 0
+t "" 3 "Outcome 2" { 3, -3 }
+t "" 4 "Outcome 2" { 4, -4 }
+p "" 1 1 "" { "1" "2" } 0
+p "" 2 3 "" { "1" "2" } 0
+t "" 5 "Outcome 2" { 5, -5 }
+t "" 6 "Outcome 2" { 6, -6 }
+p "" 2 4 "" { "1" "2" } 0
+t "" 7 "Outcome 2" { 7, -7 }
+t "" 8 "Outcome 2" { 8, -8 }

tests/test_games/noPR-action-selten-horse.efg

@@ -0,0 +1,12 @@
+EFG 2 R "Selten's Horse': 2 players, imperfect recall" { "Player 1" "Player 2" }
+""
+
+p "" 1 1 "(1,1)" { "R" "L" } 0
+p "" 2 1 "(2,1)" { "R" "L" } 0
+t "" 1 "Outcome 1" { 1, 1 }
+p "" 1 2 "(1,2)" { "R" "L" } 0
+t "" 2 "Outcome 2" { 4, 4 }
+t "" 3 "Outcome 3" { 0, 0 }
+p "" 1 2 "(1,2)" { "R" "L" } 0
+t "" 4 "Outcome 4" { 3, 2 }
+t "" 5 "Outcome 5" { 0, 0 }

tests/test_games/noPR-information-no-deflate.efg

@@ -0,0 +1,15 @@
+EFG 2 R "Untitled Extensive Game" { "Player 1" "Player 2" }
+""
+
+p "" 1 1 "" { "1" "2" "3" } 0
+p "" 2 1 "" { "1" "2" } 0
+t "" 1 "h" { 8, -8 }
+t "" 2 "g" { 7, -7 }
+p "" 2 1 "" { "1" "2" } 0
+t "" 0
+p "" 2 2 "" { "1" "2" } 0
+t "" 5 "d" { 4, -4 }
+t "" 6 "c" { 3, -3 }
+p "" 2 2 "" { "1" "2" } 0
+t "" 7 "b" { 2, -2 }
+t "" 8 "a" { 1, -1 }