Merge pull request #456 from miweberSMI/master

Fix STARLight parameter setting for older AliRoot versions
alisw · Feb 16, 2021 · 6a818ce · 6a818ce
2 parents 50a23fe + 7468695
commit 6a818ce
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/MC/GeneratorConfig.C b/MC/GeneratorConfig.C
@@ -1381,7 +1381,8 @@ GeneratorStarlight(){
   genStarLight->SetParameter("XSEC_METHOD   = 1      # Set to 0 to use old method for calculating gamma-gamma luminosity"); //CM
   genStarLight->SetParameter("BSLOPE_DEFINITION = 0");   // using default slope
   genStarLight->SetParameter("BSLOPE_VALUE      = 4.0"); // default slope value
-  genStarLight->SetParameter("PRINT_VM = 2"); // print cross sections and fluxes vs rapidity in stdout for VM photoproduction processes
+  if(genStarLight->Class_Version() > 3) // this option is only in later versions
+    genStarLight->SetParameter("PRINT_VM = 2"); // print cross sections and fluxes vs rapidity in stdout for VM photoproduction processes
 
   genStarLight->SetRapidityMotherRange(yminConfig,ymaxConfig);
   if (!genCocktail) return genStarLight;