[37] | 1 | //---------------------------------------------------------------------- |
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| 2 | // File: kd_pr_search.h |
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| 3 | // Programmer: Sunil Arya and David Mount |
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| 4 | // Description: Priority kd-tree search |
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| 5 | // Last modified: 01/04/05 (Version 1.0) |
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| 6 | //---------------------------------------------------------------------- |
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| 7 | // Copyright (c) 1997-2005 University of Maryland and Sunil Arya and |
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| 8 | // David Mount. All Rights Reserved. |
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| 9 | // |
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| 10 | // This software and related documentation is part of the Approximate |
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| 11 | // Nearest Neighbor Library (ANN). This software is provided under |
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| 12 | // the provisions of the Lesser GNU Public License (LGPL). See the |
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| 13 | // file ../ReadMe.txt for further information. |
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| 14 | // |
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| 15 | // The University of Maryland (U.M.) and the authors make no |
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| 16 | // representations about the suitability or fitness of this software for |
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| 17 | // any purpose. It is provided "as is" without express or implied |
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| 18 | // warranty. |
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| 19 | //---------------------------------------------------------------------- |
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| 20 | // History: |
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| 21 | // Revision 0.1 03/04/98 |
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| 22 | // Initial release |
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| 23 | //---------------------------------------------------------------------- |
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| 24 | |
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| 25 | #ifndef ANN_kd_pr_search_H |
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| 26 | #define ANN_kd_pr_search_H |
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| 27 | |
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| 28 | #include "kd_tree.h" // kd-tree declarations |
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| 29 | #include "kd_util.h" // kd-tree utilities |
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| 30 | #include "pr_queue.h" // priority queue declarations |
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| 31 | #include "pr_queue_k.h" // k-element priority queue |
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| 32 | |
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| 33 | #include <ANN/ANNperf.h> // performance evaluation |
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| 34 | |
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| 35 | //---------------------------------------------------------------------- |
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| 36 | // Global variables |
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| 37 | // Active for the life of each call to Appx_Near_Neigh() or |
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| 38 | // Appx_k_Near_Neigh(). |
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| 39 | //---------------------------------------------------------------------- |
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| 40 | |
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| 41 | extern double ANNprEps; // the error bound |
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| 42 | extern int ANNprDim; // dimension of space |
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| 43 | extern ANNpoint ANNprQ; // query point |
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| 44 | extern double ANNprMaxErr; // max tolerable squared error |
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| 45 | extern ANNpointArray ANNprPts; // the points |
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| 46 | extern ANNpr_queue *ANNprBoxPQ; // priority queue for boxes |
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| 47 | extern ANNmin_k *ANNprPointMK; // set of k closest points |
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| 48 | |
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| 49 | #endif |
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