From 7cfb0a380311cdd7c050407b3642bbb8a07f417d Mon Sep 17 00:00:00 2001
From: allem <allemang.d@gmail.com>
Date: Wed, 8 Jan 2020 22:26:33 -0500
Subject: [PATCH] add missing operator definitions

---
 src/core.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/core.cpp b/src/core.cpp
index 5dbe99b..09ff19d 100644
--- a/src/core.cpp
+++ b/src/core.cpp
@@ -2,6 +2,7 @@
 
 #include <utility>
 #include <sstream>
+#include <algorithm>
 
 namespace tc {
     Action::Action(int from_idx, int gen)
@@ -149,4 +150,12 @@ namespace tc {
             }
         }
     }
+
+    Group operator*(const Group &g, const Group &h) {
+        return g.product(h);
+    }
+
+    Group operator^(const Group &g, int p) {
+        return g.power(p);
+    }
 }