CommonPars.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
/*     Common VKalVrtCore parameters                        */
/*                              */
/*  vkalInternalStepLimit - limit step in VtCFit to avoid   */
/*                          linearity loss in strongly      */
/*                          changeable magnetic field       */
/*                     Without re-extrapolation fitter can make */
/*          2 steps, so total shift is doubled      */
/*                              */
/*  vkalNTrkM    -  Maximal amount of tracks from old version   */
/*          of fitter. Should disappear finally     */
/*                              */
/*  vkalMagCnvCst - conversion constant for field in Tesla and  */
/*          momentum in MeV and distance in mm      */
/*--------------------------------------------------------------*/
#ifndef _TrkVKalVrtCore_CommonPars_H
#define _TrkVKalVrtCore_CommonPars_H
 
#define vkalNTrkM  200
#define vkalMagCnvCst 0.29979246
#define vkalInternalStepLimit   20.
#define vkalAllowedPtChange      3.
#define vkalShiftToTrigExtrapolation      20.
#define vkalMaxNMassCnst  8
//---Fortran style 2D array - first index changes first
#define ARR2D_FS(name,N,i,j) (name)[(j)*(N) + (i)]
 
#endif