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Diffstat (limited to 'libdimension/internal/prtree.h')
| -rw-r--r-- | libdimension/internal/prtree.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libdimension/internal/prtree.h b/libdimension/internal/prtree.h new file mode 100644 index 0000000..7d85f44 --- /dev/null +++ b/libdimension/internal/prtree.h @@ -0,0 +1,38 @@ +/************************************************************************* + * Copyright (C) 2010-2012 Tavian Barnes <tavianator@tavianator.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/>. * + *************************************************************************/ + +/** + * @file. + * Priority R-trees. PR-trees are a data structure introduced by Arge, de Berg, + * Haverkort, and Yi, which provides asymptotically optimal worst-case lookup, + * while remaining efficient with real-world data. Their structure is derived + * from B-trees. + */ + +#ifndef DMNSN_INTERNAL_PRTREE_H +#define DMNSN_INTERNAL_PRTREE_H + +#include "internal.h" +#include "internal/bvh.h" + +/// Create a PR-tree. +DMNSN_INTERNAL dmnsn_bvh_node *dmnsn_new_prtree(const dmnsn_array *objects); + +#endif // DMNSN_INTERNAL_PRTREE_H |