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authorTavian Barnes <tavianator@gmail.com>2009-10-05 16:47:57 +0000
committerTavian Barnes <tavianator@gmail.com>2009-10-05 16:47:57 +0000
commitf3ca60606f557f24b615860e1142c70c93802fc5 (patch)
tree8448cf64e40c5e7495e725ba3587514c5be88e06 /libdimension/kD_splay_tree.h
parentcea53848d3469fcae387c9f6ae689220d2385a56 (diff)
downloaddimension-f3ca60606f557f24b615860e1142c70c93802fc5.tar.xz
Begin kD splay tree implementation.
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diff --git a/libdimension/kD_splay_tree.h b/libdimension/kD_splay_tree.h
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+/*************************************************************************
+ * 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/>. *
+ *************************************************************************/
+
+#ifndef DIMENSION_IMPL_KD_SPLAY_TREE_H
+#define DIMENSION_IMPL_KD_SPLAY_TREE_H
+
+typedef struct dmnsn_kD_splay_node dmnsn_kD_splay_node;
+
+struct dmnsn_kD_splay_node {
+ /* Tree children */
+ dmnsn_kD_splay_node *left, *right;
+
+ /* Parent node for easy backtracking */
+ dmnsn_kD_splay_node *parent;
+
+ /* Bounding box corners */
+ dmnsn_vector min, max;
+
+ /* Node payload */
+ dmnsn_object *object;
+};
+
+dmnsn_kD_splay_node *dmnsn_new_kD_splay_tree();
+dmnsn_kD_splay_node *dmnsn_kD_splay_copy(dmnsn_kD_splay_node *root);
+void dmnsn_delete_kD_splay_tree(dmnsn_kD_splay_node *root);
+
+dmnsn_kD_splay_node *dmnsn_kD_splay_insert(dmnsn_kD_splay_node *root,
+ dmnsn_object *object);
+
+#endif /* DIMENSION_IMPL_KD_SPLAY_TREE_H */