//----------------------------------------------------------------------
// File: kd_search.h
// Programmer: Sunil Arya and David Mount
// Description: Standard kd-tree search
// Last modified: 01/04/05 (Version 1.0)
//----------------------------------------------------------------------
// Copyright (c) 1997-2005 University of Maryland and Sunil Arya and
// David Mount. All Rights Reserved.
//
// This software and related documentation is part of the Approximate
// Nearest Neighbor Library (ANN). This software is provided under
// the provisions of the Lesser GNU Public License (LGPL). See the
// file ../ReadMe.txt for further information.
//
// The University of Maryland (U.M.) and the authors make no
// representations about the suitability or fitness of this software for
// any purpose. It is provided "as is" without express or implied
// warranty.
//----------------------------------------------------------------------
// History:
// Revision 0.1 03/04/98
// Initial release
//----------------------------------------------------------------------
#ifndef ANN_kd_search_H
#define ANN_kd_search_H
#include "kd_tree.h" // kd-tree declarations
#include "kd_util.h" // kd-tree utilities
#include "pr_queue_k.h" // k-element priority queue
#include <ANN/ANNperf.h> // performance evaluation
//----------------------------------------------------------------------
// More global variables
// These are active for the life of each call to annkSearch(). They
// are set to save the number of variables that need to be passed
// among the various search procedures.
//----------------------------------------------------------------------
extern int ANNkdDim; // dimension of space (static copy)
extern ANNpoint ANNkdQ; // query point (static copy)
extern double ANNkdMaxErr; // max tolerable squared error
extern ANNpointArray ANNkdPts; // the points (static copy)
extern ANNmin_k *ANNkdPointMK; // set of k closest points
extern int ANNptsVisited; // number of points visited
#endif