FPGATrackSimTypes.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRIGFPGATrackSimOBJECTS_FPGATrackSimTYPES_H
#define TRIGFPGATrackSimOBJECTS_FPGATrackSimTYPES_H
 
#include <iostream>
#include <cmath>
#include <array>
#include <cstdint>
 
#define MODULE_BADMODULE -1
#define SECTOR_NOTFOUND -1
#define FITTRACKS_OK 0
#define FITTRACKS_BAD -1
 
 
typedef int32_t pid_t;      // pattern id
typedef int32_t module_t;   // module id
typedef int32_t sector_t;   // sector number
typedef uint32_t layer_bitmask_t; // bitmask that stores at least as many bits as layers
 
//To label the origin of FPGATrackSimHits
enum class SiliconTech { strip, pixel, nTechs, undefined };
 
//The detector zone that the FPGATrackSimHit was in
enum class DetectorZone { barrel, posEndcap, negEndcap, nZones, undefined };
 
// Enum to hold the different types of hits in FPGATrackSimOfflineHit
enum class OfflineHitType { Measurement, InertMaterial, BremPoint, Scatterer, Perigee, Outlier, Hole, Other };
 
// An Enum to hold the stage of the track
enum class TrackStage { FIRST, SECOND };
 
// Enum to hold the type of correction for hits on track
enum class TrackCorrType { None = 0, First = 1, Second = 2 };
 
// Enum to hold type of sample (for truth cuts)
enum class SampleType { skipTruth, singleElectrons=11, singleMuons=13, singlePions=211, LLPs=1000 };
 
std::ostream& operator<<(std::ostream& os, SiliconTech t);
std::ostream& operator<<(std::ostream& os, DetectorZone t);
 
// Calculate euclidean norm
inline double eucnorm(double x, double y, double z)
{
  return sqrt(pow(x, 2) + pow(y, 2) + pow(z, 2));
}
 
// Calculate opening angle between two vectors in euclidean space
inline double eucangle(double x, double y, double z, double u, double v, double w)
{
  return acos((x * u + y * v + z * w) / (eucnorm(x, y, z) * eucnorm(u, v, w)));
}
 
 
#endif