FPGATrackSimNNMap.cxx

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// Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
 
#include "FPGATrackSimMaps/FPGATrackSimNNMap.h"
 
#include <string>
#include <sstream>
#include <exception>
#include <AsgMessaging/MessageCheck.h>
 
using namespace std;
using namespace asg::msgUserCode;
 
// Constructor/Desctructor
 
 
 
FPGATrackSimNNMap::FPGATrackSimNNMap(const std::string & filepath) 
{
 
    // Open file with NN weights
    std::string weightsFileName = filepath;
    std::ifstream input_cfg(weightsFileName.c_str());
    if (input_cfg.is_open()) 
      ANA_MSG_INFO("Opened file: " << weightsFileName);
    else {
        ANA_MSG_FATAL("Unable to open file: " << weightsFileName);
        throw ("FPGATrackSimNNMap could not open " + weightsFileName);
    }
 
    auto cfg = lwt::parse_json_graph( input_cfg );
    m_lwnn_map = std::shared_ptr<lwt::LightweightGraph> (new lwt::LightweightGraph( cfg ));
}
 
// Returns pointer to NN weighting map
 
std::shared_ptr<lwt::LightweightGraph> FPGATrackSimNNMap::getNNMap() const {return m_lwnn_map;}