Include/dir-Test/chkIndexFlat.C: a macro to test findIndexFlat performance
DYTools.hh: BUG FIX in findIndexFlat -- the upper limit of massBin and yBin was not correctly checked
MyTools.hh. In deriveCovMFromRndStudies added a check whether flatIdx<0
CrossSection/plotCSCov.C: 1st version of a macro to process covariances