From 10886dd81bbaf3b6132a1a4acf0e4c977c484329 Mon Sep 17 00:00:00 2001
From: Jean-loup Gailly <jloup@gailly.net>
Date: Thu, 4 Feb 2010 16:49:09 +0100
Subject: [PATCH] Suppress unused tree_get_node().

---
 uct/tree.c | 38 --------------------------------------
 uct/tree.h |  1 -
 2 files changed, 39 deletions(-)

diff --git a/uct/tree.c b/uct/tree.c
index 37d1615..94df30c 100644
--- a/uct/tree.c
+++ b/uct/tree.c
@@ -424,44 +424,6 @@ tree_normalize(struct tree *tree, int factor)
 }
 
 
-/* Get a node of given coordinate from within parent, possibly creating it
- * if necessary - in a very raw form (no .d, priors, ...). */
-/* FIXME: Adjust for board symmetry. */
-struct tree_node *
-tree_get_node(struct tree *t, struct tree_node *parent, coord_t c, bool create)
-{
-	if (!parent->children || parent->children->coord >= c) {
-		/* Special case: Insertion at the beginning. */
-		if (parent->children && parent->children->coord == c)
-			return parent->children;
-		if (!create)
-			return NULL;
-
-		struct tree_node *nn = tree_init_node(t, c, parent->depth + 1);
-		nn->parent = parent; nn->sibling = parent->children;
-		parent->children = nn;
-		return nn;
-	}
-
-	/* No candidate at the beginning, look through all the children. */
-
-	struct tree_node *ni;
-	for (ni = parent->children; ni->sibling; ni = ni->sibling)
-		if (ni->sibling->coord >= c)
-			break;
-
-	if (ni->sibling && ni->sibling->coord == c)
-		return ni->sibling;
-	assert(ni->coord < c);
-	if (!create)
-		return NULL;
-
-	struct tree_node *nn = tree_init_node(t, c, parent->depth + 1);
-	nn->parent = parent; nn->sibling = ni->sibling; ni->sibling = nn;
-	return nn;
-}
-
-
 /* Tree symmetry: When possible, we will localize the tree to a single part
  * of the board in tree_expand_node() and possibly flip along symmetry axes
  * to another part of the board in tree_promote_at(). We follow b->symmetry
diff --git a/uct/tree.h b/uct/tree.h
index 5009351..2320235 100644
--- a/uct/tree.h
+++ b/uct/tree.h
@@ -82,7 +82,6 @@ void tree_merge(struct tree *dest, struct tree *src);
 void tree_normalize(struct tree *tree, int factor);
 
 /* Warning: All these functions are THREAD-UNSAFE! */
-struct tree_node *tree_get_node(struct tree *tree, struct tree_node *node, coord_t c, bool create);
 void tree_expand_node(struct tree *tree, struct tree_node *node, struct board *b, enum stone color, struct uct *u, int parity);
 void tree_promote_node(struct tree *tree, struct tree_node *node);
 bool tree_promote_at(struct tree *tree, struct board *b, coord_t c);
-- 
2.11.4.GIT