fix update_memory

- src/NameGame.cc (NameGame::update_memory): fixed update_memory not
  updating memory vectors.
- needed to get reference to node data.
- shortened update sequence and avoided using another auto reference.

Signed-off-by: Aiden Woodruff <woodra@rpi.edu>

1 files changed, 3 insertions, 4 deletions

diff --git a/src/NameGame.cc b/src/NameGame.cc
index 3fc314e..e18d419 100644
--- a/src/NameGame.cc
+++ b/src/NameGame.cc
@@ -124,11 +124,10 @@ int NameGame::best_move(int nId) const {
 }
 
 void NameGame::update_memory(int nId, int strategy) {
-        auto d = graph.GetNDat(nId);
+        auto& d = graph.GetNDat(nId);
         if (!d.Val1) {
-                auto& mem = d.Val2;
-                mem.Ins(0, strategy);
-                mem.Trunc(memlen);
+                d.Val2.Ins(0, strategy);
+                d.Val2.Trunc(memlen);
         }
 }