From 08d2cc9b2b7a1e9064ad84d1f4d57fd9b37a28b3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ku=C4=8Dera?=
 <26327373+vkucera@users.noreply.github.com>
Date: Mon, 4 May 2026 16:07:24 +0200
Subject: [PATCH] Remove unused file

---
 PWGCF/FemtoWorld/Core/FemtoWorldUtils.h | 106 ------------------------
 1 file changed, 106 deletions(-)
 delete mode 100644 PWGCF/FemtoWorld/Core/FemtoWorldUtils.h

diff --git a/PWGCF/FemtoWorld/Core/FemtoWorldUtils.h b/PWGCF/FemtoWorld/Core/FemtoWorldUtils.h
deleted file mode 100644
index b3f7a654ccd..00000000000
--- a/PWGCF/FemtoWorld/Core/FemtoWorldUtils.h
+++ /dev/null
@@ -1,106 +0,0 @@
-// 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.
-
-/// \file CFFilter.cxx
-/// \brief Utilities for the FemtoWorld framework
-///
-/// \author Luca Barioglio, TU München, luca.barioglio@cern.ch
-/// \author Zuzanna Chochulska, WUT Warsaw, zchochul@cern.ch
-
-#ifndef PWGCF_FEMTOWORLD_CORE_FEMTOWORLDUTILS_H_
-#define PWGCF_FEMTOWORLD_CORE_FEMTOWORLDUTILS_H_
-
-#include "PWGCF/FemtoWorld/DataModel/FemtoWorldDerived.h"
-
-#include <Framework/Logger.h>
-
-#include <cstdlib>
-#include <ostream>
-#include <vector>
-
-namespace o2::analysis::femtoWorld
-{
-
-enum kPIDselection {
-  k3d5sigma = 0,
-  k3sigma = 1,
-  k2d5sigma = 2
-};
-
-enum kDetector {
-  kTPC = 0,
-  kTPCTOF = 1,
-  kNdetectors = 2
-};
-
-/// internal function that returns the kPIDselection element corresponding to a specifica n-sigma value
-/// \param nSigma number of sigmas for PID
-/// \param vNsigma vector with the number of sigmas of interest
-/// \return kPIDselection corresponding to n-sigma
-kPIDselection getPIDselection(const float nSigma, const std::vector<float>& vNsigma)
-{
-  for (int i = 0; i < (int)vNsigma.size(); i++) {
-    if (abs(nSigma - vNsigma[i]) < 1e-3) {
-      return static_cast<kPIDselection>(i);
-    }
-  }
-  LOG(info) << "Invalid value of nSigma: " << nSigma << ". Standard 3 sigma returned." << std::endl;
-  return kPIDselection::k3sigma;
-}
-
-/// function that checks whether the PID selection specified in the vectors is fulfilled
-/// \param pidcut Bit-wise container for the PID
-/// \param vSpecies vector with ID corresponding to the selected species (output from cutculator)
-/// \param nSpecies number of available selected species (output from cutculator)
-/// \param nSigma number of sigma selection fo PID
-/// \param vNsigma vector with available n-sigma selections for PID
-/// \param kDetector enum corresponding to the PID technique
-/// \return Whether the PID selection specified in the vectors is fulfilled
-bool isPIDSelected(aod::femtoworldparticle::cutContainerType const& pidcut, std::vector<int> const& vSpecies, int nSpecies, float nSigma, const std::vector<float>& vNsigma, const kDetector iDet = kDetector::kTPC)
-{
-  bool pidSelection = true;
-  kPIDselection iNsigma = getPIDselection(nSigma, vNsigma);
-  for (auto iSpecies : vSpecies) {
-    //\todo we also need the possibility to specify whether the bit is true/false ->std>>vector<std::pair<int, int>>
-    // if (!((pidcut >> it.first) & it.second)) {
-    int bit_to_check = nSpecies * kDetector::kNdetectors * iNsigma + iSpecies * kDetector::kNdetectors + iDet;
-    if (!(pidcut & (1UL << bit_to_check))) {
-      pidSelection = false;
-    }
-  }
-  return pidSelection;
-};
-
-/// function that checks whether the PID selection specified in the vectors is fulfilled, depending on the momentum TPC or TPC+TOF PID is conducted
-/// \param pidcut Bit-wise container for the PID
-/// \param momentum Momentum of the track
-/// \param pidThresh Momentum threshold that separates between TPC and TPC+TOF PID
-/// \param vSpecies Vector with the species of interest (number returned by the CutCulator)
-/// \param nSpecies number of available selected species (output from cutculator)
-/// \param nSigmaTPC Number of TPC sigmas for selection
-/// \param nSigmaTPCTOF Number of TPC+TOF sigmas for selection (circular selection)
-/// \return Whether the PID selection is fulfilled
-bool isFullPIDSelected(aod::femtoworldparticle::cutContainerType const& pidCut, float const momentum, float const pidThresh, std::vector<int> const& vSpecies, int nSpecies, const std::vector<float>& vNsigma = {3.5, 3., 2.5}, const float nSigmaTPC = 3.5, const float nSigmaTPCTOF = 3.5)
-{
-  bool pidSelection = true;
-  if (momentum < pidThresh) {
-    /// TPC PID only
-    pidSelection = isPIDSelected(pidCut, vSpecies, nSpecies, nSigmaTPC, vNsigma, kDetector::kTPC);
-  } else {
-    /// TPC + TOF PID
-    pidSelection = isPIDSelected(pidCut, vSpecies, nSpecies, nSigmaTPCTOF, vNsigma, kDetector::kTPCTOF);
-  }
-  return pidSelection;
-};
-
-} // namespace o2::analysis::femtoWorld
-
-#endif // PWGCF_FEMTOWORLD_CORE_FEMTOWORLDUTILS_H_