1 | //---------------------------------------------------------------------- |
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2 | // File: kd_search.h |
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3 | // Programmer: Sunil Arya and David Mount |
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4 | // Description: Standard 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_search_H |
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26 | #define ANN_kd_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_k.h" // k-element priority queue |
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31 | |
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32 | #include <ANN/ANNperf.h> // performance evaluation |
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33 | |
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34 | //---------------------------------------------------------------------- |
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35 | // More global variables |
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36 | // These are active for the life of each call to annkSearch(). They |
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37 | // are set to save the number of variables that need to be passed |
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38 | // among the various search procedures. |
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39 | //---------------------------------------------------------------------- |
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40 | |
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41 | extern int ANNkdDim; // dimension of space (static copy) |
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42 | extern ANNpoint ANNkdQ; // query point (static copy) |
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43 | extern double ANNkdMaxErr; // max tolerable squared error |
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44 | extern ANNpointArray ANNkdPts; // the points (static copy) |
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45 | extern ANNmin_k *ANNkdPointMK; // set of k closest points |
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46 | extern int ANNptsVisited; // number of points visited |
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47 | |
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48 | #endif |
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