1 files changed, 68 insertions, 0 deletions
diff --git a/libdimension/kD_splay_tree.c b/libdimension/kD_splay_tree.c
new file mode 100644
index 0000000..24987c4
--- /dev/null
+++ b/libdimension/kD_splay_tree.c
@@ -0,0 +1,68 @@
+/*************************************************************************
+ * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com>               *
+ *                                                                       *
+ * This file is part of The Dimension Library.                           *
+ *                                                                       *
+ * The Dimension Library is free software; you can redistribute it and/  *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Library is distributed in the hope that it will be      *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * Lesser General Public License for more details.                       *
+ *                                                                       *
+ * You should have received a copy of the GNU Lesser General Public      *
+ * License along with this program.  If not, see                         *
+ * <http://www.gnu.org/licenses/>.                                       *
+ *************************************************************************/
+
+#include "dimension_impl.h"
+#include <stdlib.h>
+
+static dmnsn_kD_splay_node *
+dmnsn_new_kD_splay_node()
+{
+  dmnsn_kD_splay_node *node = malloc(sizeof(dmnsn_kD_splay_node));
+  if (!node) {
+    dmnsn_error(DMNSN_SEVERITY_HIGH, "kD splay tree node allocation failed.");
+  }
+  return node;
+}
+
+static void
+dmnsn_delete_kD_splay_node(dmnsn_kD_splay_node *node)
+{
+  free(node);
+}
+
+/* Return an empty tree */
+dmnsn_kD_splay_node *
+dmnsn_new_kD_splay_tree()
+{
+  return NULL;
+}
+
+/* Copy a kD splay tree */
+dmnsn_kD_splay_node *dmnsn_kD_splay_copy(dmnsn_kD_splay_node *root)
+{
+  dmnsn_kD_splay_node *node = NULL;
+  if (root) {
+    node = dmnsn_new_kD_splay_node();
+    *node = *root;
+    node->left = dmnsn_kD_splay_copy(node->left);
+    node->right = dmnsn_kD_splay_copy(node->right);
+  }
+  return node;
+}
+
+void
+dmnsn_delete_kD_splay_tree(dmnsn_kD_splay_node *root)
+{
+  if (root) {
+    dmnsn_delete_kD_splay_tree(root->left);
+    dmnsn_delete_kD_splay_tree(root->right);
+    dmnsn_delete_kD_splay_node(root);
+  }
+}