[Common] [TOF] fix parameters for negative tracks (#8753)

Author: njacazio

Common/TableProducer/PID/pidTOFMerge.cxx

@@ -206,7 +206,7 @@ struct TOFCalibConfig {
     const std::string nameShiftPos = metadataInfo.isMC() ? mTimeShiftCCDBPathPosMC : mTimeShiftCCDBPathPos;
     updateTimeShift(nameShiftPos, true);
     const std::string nameShiftNeg = metadataInfo.isMC() ? mTimeShiftCCDBPathNegMC : mTimeShiftCCDBPathNeg;
-    updateTimeShift(nameShiftNeg, true);
+    updateTimeShift(nameShiftNeg, false);
 
     // Calibration object is defined
     LOG(info) << "Parametrization at init time:";
@@ -690,7 +690,7 @@ struct tofEventTime {
           if constexpr (removeTOFEvTimeBias) {
             evTimeMakerTOF.removeBias<Run3TrksWtof::iterator, filterForTOFEventTime>(trk, nGoodTracksForTOF, t0TOF[0], t0TOF[1], 2);
           }
-          if (t0TOF[1] < errDiamond && (maxEvTimeTOF <= 0 || abs(t0TOF[0]) < maxEvTimeTOF)) {
+          if (t0TOF[1] < errDiamond && (maxEvTimeTOF <= 0 || std::abs(t0TOF[0]) < maxEvTimeTOF)) {
             flags |= o2::aod::pidflags::enums::PIDFlags::EvTimeTOF;
 
             weight = 1.f / (t0TOF[1] * t0TOF[1]);
@@ -754,7 +754,7 @@ struct tofEventTime {
             evTimeMakerTOF.removeBias<Run3TrksWtof::iterator, filterForTOFEventTime>(trk, nGoodTracksForTOF, et, erret, 2);
           }
           uint8_t flags = 0;
-          if (erret < errDiamond && (maxEvTimeTOF <= 0.f || abs(et) < maxEvTimeTOF)) {
+          if (erret < errDiamond && (maxEvTimeTOF <= 0.f || std::abs(et) < maxEvTimeTOF)) {
             flags |= o2::aod::pidflags::enums::PIDFlags::EvTimeTOF;
           } else {
             et = 0.f;