- fix a memory leak by deleting the RoOFitResult created from RooMinimizer

 - some fixes for printout and tolerance


git-svn-id: http://root.cern.ch/svn/root/trunk@43228 27541ba8-7e3a-0410-8455-c3a389f83636

roofit/roostats/src/AsymptoticCalculator.cxx

@@ -274,15 +274,15 @@ Double_t AsymptoticCalculator::EvaluateNLL(RooAbsPdf & pdf, RooAbsData& data,
     else {
 
        
-       int minimPrintLevel = ROOT::Math::MinimizerOptions::DefaultPrintLevel();
-       if (verbose > 1) minimPrintLevel = verbose; 
+       int minimPrintLevel = verbose;
        
        RooMinimizer minim(*nll);
        int strategy = ROOT::Math::MinimizerOptions::DefaultStrategy();
        minim.setStrategy( strategy);
        // use tolerance - but never smaller than 1 (default in RooMinimizer)
        double tol =  ROOT::Math::MinimizerOptions::DefaultTolerance();
-       if (tol > 1.)  minim.setEps( tol );
+       tol = std::max(tol,1.0); // 1.0 is the minimum value used in RooMinimizer
+       minim.setEps( tol );
        //LM: RooMinimizer.setPrintLevel has +1 offset - so subtruct  here -1
        minim.setPrintLevel(minimPrintLevel-1);
        int status = -1;
@@ -334,6 +334,7 @@ Double_t AsymptoticCalculator::EvaluateNLL(RooAbsPdf & pdf, RooAbsData& data,
        }
 
        minim.optimizeConst(false);
+       if (result) delete result;
 
 
     }