#include "RecoVertex/PrimaryVertexProducer/interface/DAClusterizerInZ_vect.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/GeometryCommonDetAlgo/interface/Measurement1D.h"
#include "RecoVertex/VertexPrimitives/interface/VertexException.h"
#include <cmath>
#include <cassert>
#include <limits>
#include <iomanip>
#include "FWCore/Utilities/interface/isFinite.h"
#include "vdt/vdtMath.h"
#include <Math/SMatrix.h>