.. _program_listing_file_larflow_Reco_TrackOTFit.h:

Program Listing for File TrackOTFit.h
=====================================

|exhale_lsh| :ref:`Return to documentation for file <file_larflow_Reco_TrackOTFit.h>` (``larflow/Reco/TrackOTFit.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef __LARFLOW_RECO_TRACK_OTFIT_H__
   #define __LARFLOW_RECO_TRACK_OTFIT_H__
   
   #include <vector>
   
   namespace larflow {
   namespace reco {
   
     class TrackOTFit {
   
     public:
   
       TrackOTFit() {};
       virtual ~TrackOTFit() {};
   
   
       void fit( std::vector< std::vector<float> >& initial_track,
                 std::vector< std::vector<float> >& track_pts_w_feat_v );
   
       
       static float d2_segment_point( const std::vector<float>& seg_start,
                               const std::vector<float>& seg_end,
                               const std::vector<float>& testpt );
       
       static std::vector<float> grad_d2_wrt_segend( const std::vector<float>& seg_start,
                                                     const std::vector<float>& seg_end,
                                                     const std::vector<float>& testpt );
   
       static void getLossAndGradient(  const std::vector< std::vector<float> >& initial_track,
                                        const std::vector< std::vector<float> >& track_pts_w_feat_v,
                                        float& loss,
                                        std::vector<float>& grad );
   
       static void getWeightedLossAndGradient(  const std::vector< std::vector<float> >& initial_track,
                                                const std::vector< std::vector<float> >& track_pts_w_feat_v,
                                                float& loss,
                                                float& totweight,
                                                std::vector<float>& grad );
       
     };
     
   }
   }
   
   #endif