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50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
//----------------------------------------------------------------------
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// File: kd_pr_search.h
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// Programmer: Sunil Arya and David Mount
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// Description: Priority kd-tree search
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// Last modified: 01/04/05 (Version 1.0)
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//----------------------------------------------------------------------
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// Copyright (c) 1997-2005 University of Maryland and Sunil Arya and
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// David Mount. All Rights Reserved.
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//
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// This software and related documentation is part of the Approximate
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// Nearest Neighbor Library (ANN). This software is provided under
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// the provisions of the Lesser GNU Public License (LGPL). See the
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// file ../ReadMe.txt for further information.
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//
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// The University of Maryland (U.M.) and the authors make no
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// representations about the suitability or fitness of this software for
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// any purpose. It is provided "as is" without express or implied
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// warranty.
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//----------------------------------------------------------------------
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// History:
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// Revision 0.1 03/04/98
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// Initial release
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//----------------------------------------------------------------------
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#ifndef ANN_kd_pr_search_H
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#define ANN_kd_pr_search_H
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#include "kd_tree.h" // kd-tree declarations
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#include "kd_util.h" // kd-tree utilities
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#include "pr_queue.h" // priority queue declarations
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#include "pr_queue_k.h" // k-element priority queue
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#include <ANN/ANNperf.h> // performance evaluation
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//----------------------------------------------------------------------
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// Global variables
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// Active for the life of each call to Appx_Near_Neigh() or
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// Appx_k_Near_Neigh().
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//----------------------------------------------------------------------
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extern double ANNprEps; // the error bound
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extern int ANNprDim; // dimension of space
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extern ANNpoint ANNprQ; // query point
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extern double ANNprMaxErr; // max tolerable squared error
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extern ANNpointArray ANNprPts; // the points
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extern ANNpr_queue *ANNprBoxPQ; // priority queue for boxes
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extern ANNmin_k *ANNprPointMK; // set of k closest points
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#endif
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