Changeset 369 in svn for trunk/src/LHEFConverter.cc

Timestamp:

May 10, 2009, 8:14:19 PM (15 years ago)

Author:

Xavier Rouby

Message:

avoid the ROOT warning when PT is very small

File:

• trunk/src/LHEFConverter.cc (modified) (1 diff)

trunk/src/LHEFConverter.cc

@@ -90 +90 @@
     element->PT = momentum.Perp();
     signPz = (element->Pz >= 0.0) ? 1.0 : -1.0;
-    element->Eta = element->PT == 0.0 ? signPz*999.9 : momentum.Eta();
+    //element->Eta = element->PT == 0.0 ? signPz*999.9 : momentum.Eta(); to avoid a warning from ROOT, replace the "==0" by "< 1e-6"
+    element->Eta = element->PT < 1e-6 ? signPz*999.9 : momentum.Eta();
     element->Phi = momentum.Phi();
     element->Rapidity = element->PT == 0.0 ? signPz*999.9 : momentum.Rapidity();