cmd/lhef2hepmc: improve warning message and display event number

Signed-off-by: Sebastien Binet <binet@cern.ch>
go-hep · May 11, 2022 · fd8c2dc · fd8c2dc
1 parent f979a1c
commit fd8c2dc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cmd/lhef2hepmc/main.go b/cmd/lhef2hepmc/main.go
@@ -120,7 +120,7 @@ func main() {
 			xsecerr2 := (sumw2/float64(nevt) - xsecval*xsecval) / float64(nevt)
 
 			if xsecerr2 < 0 {
-				log.Printf("WARNING: xsecerr^2 < 0. forcing to zero. (%f)\n", xsecerr2)
+				log.Printf("WARNING: event #%d: xsecerr^2 < 0. forcing to zero. (xsecerr^2=%g)\n", ievt, xsecerr2)
 				xsecerr2 = 0.
 			}
 			xsecerr = math.Sqrt(xsecerr2)