114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2014, OpenCV Foundation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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/** @file
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@author Tolga Birdal <tbirdal AT gmail.com>
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*/
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#ifndef __OPENCV_SURFACE_MATCHING_T_HASH_INT_HPP__
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#define __OPENCV_SURFACE_MATCHING_T_HASH_INT_HPP__
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#include <stdio.h>
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#include <stdlib.h>
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namespace cv
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{
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namespace ppf_match_3d
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{
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//! @addtogroup surface_matching
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//! @{
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typedef uint KeyType;
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typedef struct hashnode_i
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{
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KeyType key;
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void *data;
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struct hashnode_i *next;
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} hashnode_i ;
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typedef struct HSHTBL_i
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{
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size_t size;
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struct hashnode_i **nodes;
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size_t (*hashfunc)(uint);
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} hashtable_int;
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/** @brief Round up to the next highest power of 2
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from http://www-graphics.stanford.edu/~seander/bithacks.html
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*/
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inline static uint next_power_of_two(uint value)
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{
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--value;
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value |= value >> 1;
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value |= value >> 2;
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value |= value >> 4;
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value |= value >> 8;
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value |= value >> 16;
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++value;
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return value;
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}
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hashtable_int *hashtableCreate(size_t size, size_t (*hashfunc)(uint));
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void hashtableDestroy(hashtable_int *hashtbl);
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int hashtableInsert(hashtable_int *hashtbl, KeyType key, void *data);
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int hashtableInsertHashed(hashtable_int *hashtbl, KeyType key, void *data);
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int hashtableRemove(hashtable_int *hashtbl, KeyType key);
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void *hashtableGet(hashtable_int *hashtbl, KeyType key);
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hashnode_i* hashtableGetBucketHashed(hashtable_int *hashtbl, KeyType key);
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int hashtableResize(hashtable_int *hashtbl, size_t size);
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hashtable_int *hashtable_int_clone(hashtable_int *hashtbl);
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hashtable_int *hashtableRead(FILE* f);
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int hashtableWrite(const hashtable_int * hashtbl, const size_t dataSize, FILE* f);
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void hashtablePrint(hashtable_int *hashtbl);
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//! @}
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} // namespace ppf_match_3d
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} // namespace cv
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#endif
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