Changes in external/fastjet/PseudoJet.cc [1d208a2:b7b836a] in git

File:

• external/fastjet/PseudoJet.cc (modified) (7 diffs)

external/fastjet/PseudoJet.cc

@@ -1 +1 @@
 //FJSTARTHEADER
-// $Id: PseudoJet.cc 4100 2016-03-15 20:50:22Z salam $
-//
-// Copyright (c) 2005-2014, Matteo Cacciari, Gavin P. Salam and Gregory Soyez
+// $Id: PseudoJet.cc 4354 2018-04-22 07:12:37Z salam $
+//
+// Copyright (c) 2005-2018, Matteo Cacciari, Gavin P. Salam and Gregory Soyez
 //
 //----------------------------------------------------------------------
@@ -203 +203 @@
 //----------------------------------------------------------------------
 /// multiply the jet's momentum by the coefficient
-void PseudoJet::operator*=(double coeff) {
+PseudoJet & PseudoJet::operator*=(double coeff) {
   // operator*= aims to maintain the rapidity and azimuth
   // for the PseudoJet; if they have already been evaluated
@@ -218 +218 @@
   _kt2*= coeff*coeff;
   // phi and rap are unchanged
+  return *this;
 }
 
 //----------------------------------------------------------------------
 /// divide the jet's momentum by the coefficient
-void PseudoJet::operator/=(double coeff) {
+PseudoJet & PseudoJet::operator/=(double coeff) {
   (*this) *= 1.0/coeff;
+  return *this;
 }
 
@@ -229 +231 @@
 //----------------------------------------------------------------------
 /// add the other jet's momentum to this jet
-void PseudoJet::operator+=(const PseudoJet & other_jet) {
+PseudoJet & PseudoJet::operator+=(const PseudoJet & other_jet) {
   _px += other_jet._px;
   _py += other_jet._py;
@@ -235 +237 @@
   _E  += other_jet._E ;
   _finish_init(); // we need to recalculate phi,rap,kt2
+  return *this;
 }
 
@@ -240 +243 @@
 //----------------------------------------------------------------------
 /// subtract the other jet's momentum from this jet
-void PseudoJet::operator-=(const PseudoJet & other_jet) {
+PseudoJet & PseudoJet::operator-=(const PseudoJet & other_jet) {
   _px -= other_jet._px;
   _py -= other_jet._py;
@@ -246 +249 @@
   _E  -= other_jet._E ;
   _finish_init(); // we need to recalculate phi,rap,kt2
+  return *this;
 }