Refactor negative particle momentum handling

Author: wirthni

PWGJE/TableProducer/diffWakeTreeProducer.cxx

@@ -232,27 +232,30 @@ struct DiffWakeTreeProducer {
 
       int64_t particlePx = (track.px() * 6000);
       if (particlePx < 0)
+      {
         substituteP |= static_cast<uint64_t>(1) << uppermostBit;
-      if (particlePx < 0)
         particlePx = (-1) * particlePx;
+      }
       substituteP |= (particlePx & bitmask20Bits) << lowermostBit;
 
       uppermostBit = 41;
       lowermostBit = 21;
       int64_t particlePy = (track.py() * 6000);
       if (particlePy < 0)
+      {
         substituteP |= static_cast<uint64_t>(1) << uppermostBit;
-      if (particlePy < 0)
         particlePy = (-1) * particlePy;
+      }
       substituteP |= (particlePy & bitmask20Bits) << lowermostBit;
 
       uppermostBit = 62;
       lowermostBit = 42;
       int64_t particlePz = (track.pz() * 6000);
       if (particlePz < 0)
+      {
         substituteP |= static_cast<uint64_t>(1) << uppermostBit;
-      if (particlePz < 0)
         particlePz = (-1) * particlePz;
+      }
       substituteP |= (particlePz & bitmask20Bits) << lowermostBit;
 
       // dEdx