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Please consider the following formatting changes to #13746 #3

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Merged
jditzelnew merged 1 commit into from
Nov 28, 2024
Merged

Please consider the following formatting changes to #13746 #3

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41 changes: 24 additions & 17 deletions DataFormats/simulation/include/SimulationDataFormat/O2DatabasePDG.h
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Original file line number Diff line number Diff line change
Expand Up @@ -16,20 +16,23 @@
#include "TParticlePDG.h"
#include <string>

namespace o2 {
namespace o2
{

// An ALICE specific extension of ROOT's TDatabasePDG
//
// By using O2DatabasePDG::Instance() in our code instead of
// TDatabasePDG::Instance(), correct initialization is guaranteed.
// Alternatively, a static function is exposed with which particles can be added
// to TDatabasePDG objects directly.
class O2DatabasePDG {
class O2DatabasePDG
{
//
public:
static TDatabasePDG *Instance() {
public:
static TDatabasePDG* Instance()
{
static bool initialized =
false; // initialize this --> adds particles to TDatabasePDG;
false; // initialize this --> adds particles to TDatabasePDG;
auto db = TDatabasePDG::Instance();
if (!initialized) {
addALICEParticles(db);
Expand All @@ -39,11 +42,12 @@ class O2DatabasePDG {
}

// adds ALICE particles to a given TDatabasePDG instance
static void addALICEParticles(TDatabasePDG *db = TDatabasePDG::Instance());
static void addParticlesFromExternalFile(TDatabasePDG *db);
static void addALICEParticles(TDatabasePDG* db = TDatabasePDG::Instance());
static void addParticlesFromExternalFile(TDatabasePDG* db);

// get particle's (if any) mass
static Double_t MassImpl(TParticlePDG *particle, bool &success) {
static Double_t MassImpl(TParticlePDG* particle, bool& success)
{
success = false;
if (!particle) {
return -1.;
Expand All @@ -53,8 +57,9 @@ class O2DatabasePDG {
}

// determine particle to get mass for based on PDG
static Double_t Mass(int pdg, bool &success,
TDatabasePDG *db = O2DatabasePDG::Instance()) {
static Double_t Mass(int pdg, bool& success,
TDatabasePDG* db = O2DatabasePDG::Instance())
{
if (pdg < IONBASELOW || pdg > IONBASEHIGH) {
// not an ion, return immediately
return MassImpl(db->GetParticle(pdg), success);
Expand All @@ -72,14 +77,15 @@ class O2DatabasePDG {
// remove default constructor
O2DatabasePDG() = delete;

private:
private:
static constexpr int IONBASELOW{1000000000};
static constexpr int IONBASEHIGH{1099999999};
};

// by keeping this inline, we can use it in other parts of the code, for
// instance Framework or Analysis, without needing to link against this library
inline void O2DatabasePDG::addALICEParticles(TDatabasePDG *db) {
inline void O2DatabasePDG::addALICEParticles(TDatabasePDG* db)
{
//
// Add ALICE particles to the ROOT PDG data base
// Code has been taken from AliRoot
Expand Down Expand Up @@ -657,18 +663,19 @@ inline void O2DatabasePDG::addALICEParticles(TDatabasePDG *db) {
addParticlesFromExternalFile(db);
}

inline void O2DatabasePDG::addParticlesFromExternalFile(TDatabasePDG *db) {
inline void O2DatabasePDG::addParticlesFromExternalFile(TDatabasePDG* db)
{
static bool initialized = false;
if (!initialized) {
// allow user to specify custom file
if (const char *custom = std::getenv("O2_SIM_CUSTOM_PDG")) {
if (const char* custom = std::getenv("O2_SIM_CUSTOM_PDG")) {
// TODO: make sure this is a file
db->ReadPDGTable(custom);
} else if (const char *o2Root = std::getenv("O2_ROOT")) {
} else if (const char* o2Root = std::getenv("O2_ROOT")) {
// take the maintained file from O2
auto inputExtraPDGs =
std::string(o2Root) +
"/share/Detectors/gconfig/data/extra_ions_pdg_table.dat";
std::string(o2Root) +
"/share/Detectors/gconfig/data/extra_ions_pdg_table.dat";
db->ReadPDGTable(inputExtraPDGs.c_str());
}
initialized = true;
Expand Down