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      1 /***********************************************************************
      2  * Software License Agreement (BSD License)
      3  *
      4  * Copyright 2008-2009  Marius Muja (mariusm (at) cs.ubc.ca). All rights reserved.
      5  * Copyright 2008-2009  David G. Lowe (lowe (at) cs.ubc.ca). All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  *
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  *************************************************************************/
     28 
     29 #include "precomp.hpp"
     30 #include "opencv2/flann.hpp"
     31 
     32 namespace cvflann
     33 {
     34     /** Global variable indicating the distance metric to be used.
     35      * \deprecated Provided for backward compatibility
     36     */
     37     flann_distance_t flann_distance_type_ = FLANN_DIST_L2;
     38     flann_distance_t flann_distance_type() { return flann_distance_type_; }
     39 
     40     /**
     41      * Set distance type to used
     42      * \deprecated
     43      */
     44     void set_distance_type(flann_distance_t distance_type, int /*order*/)
     45     {
     46         printf("[WARNING] The cvflann::set_distance_type function is deperecated, "
     47             "use cv::flann::GenericIndex<Distance> instead.\n");
     48         if (distance_type != FLANN_DIST_L1 && distance_type != FLANN_DIST_L2) {
     49             printf("[ERROR] cvflann::set_distance_type only provides backwards compatibility "
     50             "for the L1 and L2 distances. "
     51             "For other distance types you must use cv::flann::GenericIndex<Distance>\n");
     52         }
     53         flann_distance_type_ = distance_type;
     54     }
     55 
     56     void dummyfunc() {}
     57 }
     58