TPCFastTransformHelperO2.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#ifndef ALICEO2_TPC_TPCFASTTRANSFORMHELPERO2_H_
#define ALICEO2_TPC_TPCFASTTRANSFORMHELPERO2_H_
 
#include "TPCFastTransformPOD.h"
#include "GPUCommonRtypes.h"
 
namespace o2
{
namespace tpc
{
 
using namespace o2::gpu;
 
class TPCFastTransformHelperO2
{
 public:
 
  TPCFastTransformHelperO2() = default;
 
  TPCFastTransformHelperO2(const TPCFastTransformHelperO2&) = delete;
 
  TPCFastTransformHelperO2& operator=(const TPCFastTransformHelperO2&) = delete;
 
  ~TPCFastTransformHelperO2() = default;
 
  static TPCFastTransformHelperO2* instance();
 
 
  std::unique_ptr<TPCFastTransform> create(int64_t TimeStamp);
 
  std::unique_ptr<TPCFastTransform> create(int64_t TimeStamp, const TPCFastSpaceChargeCorrection& correction);
 
  int updateCalibration(TPCFastTransform& fastTransform, int64_t TimeStamp, float vDriftFactor = 1.f, float vDriftRef = 0.f, float driftTimeOffset = 0.f)
  {
    return updateCalibrationImpl(fastTransform, TimeStamp, vDriftFactor, vDriftRef, driftTimeOffset);
  }
 
  int updateCalibration(TPCFastTransformPOD& fastTransform, int64_t TimeStamp, float vDriftFactor = 1.f, float vDriftRef = 0.f, float driftTimeOffset = 0.f)
  {
    return updateCalibrationImpl(fastTransform, TimeStamp, vDriftFactor, vDriftRef, driftTimeOffset);
  }
 
  const TPCFastTransformGeo& getGeometry() { return mGeo; }
 
  void testGeometry(const TPCFastTransformGeo& fastTransform) const;
 
 private:
  void init();
 
  template <typename T>
  int updateCalibrationImpl(T& transform, int64_t TimeStamp, float vDriftFactor, float vDriftRef, float driftTimeOffset);
 
  static TPCFastTransformHelperO2* sInstance; 
  bool mIsInitialized = 0;                    
  TPCFastTransformGeo mGeo;                   
 
  ClassDefNV(TPCFastTransformHelperO2, 3);
};
} // namespace tpc
} // namespace o2
#endif