message: protection against invalid input fraction
diff: @@ -2652,6 +2652,10 @@ void TStatToolkit::MakeDistortionMapFast(THnBase * histo, TTreeSRedirector *pcst
  ::Error("TStatToolkit::MakeDistortionMapFast","Invalid dimension of input histogram");
  return;
  }
  + if (fractionCut<0 || fractionCut>0.4){
  + ::Error("TStatToolkit::MakeDistortionMapFast","Invalid input fraction cut %f\r. Should be in range <0,0.4>", fractionCut);
  + return;
  + }
  const Double_t kMinEntries=30, kUseLLFrom=20;
  const Float_t kDumpHistoFraction = TString(gSystem->Getenv("gDumpHistoFraction")).Atof(); // in debug mode - controlled by env variable "gDumpHistoFraction" fractio of histogram + fits dumped to the file
  char tname[100];
  