[PWGCF] Updating the channel mirroring logic and adding an option to fill histograms run by run (#14940)

Author: MartijnLaarhoven

PWGCF/TwoParticleCorrelations/Tasks/longRangeDihadronCor.cxx

@@ -54,7 +54,10 @@
 #include "TRandom3.h"
 #include <TPDGCode.h>
 
+#include <map>
+#include <memory>
 #include <string>
+#include <utility>
 #include <vector>
 
 using namespace o2;
@@ -685,7 +688,7 @@ struct LongRangeDihadronCor {
         ampl = 0.;
       if (system == SameEvent)
         registry.fill(HIST("FT0Amp"), id, ampl);
-      ampl = ampl / cstFT0RelGain[iCh];
+      ampl = ampl / cstFT0RelGain[id];
       if (system == SameEvent) {
         registry.fill(HIST("FT0AmpCorrect"), id, ampl);
         histAmpCorrectPerRun[lastRunNumber]->Fill(id, ampl);
@@ -697,7 +700,7 @@ struct LongRangeDihadronCor {
         ampl = 0.;
       if (system == SameEvent)
         registry.fill(HIST("FT0Amp"), id, ampl);
-      ampl = ampl / cstFT0RelGain[iCh];
+      ampl = ampl / cstFT0RelGain[id];
       if (system == SameEvent) {
         registry.fill(HIST("FT0AmpCorrect"), id, ampl);
         histAmpCorrectPerRun[lastRunNumber]->Fill(id, ampl);