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C========================= Include ctvmft.inc ==========================
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C============ include file for the constrained fit module CTVMFT =======
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C ----------------------------------------------------------------------
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C Single precision stuff
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C Counters of the used numbers of Vtx ..
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INTEGER NVERTX ! Number of vertices
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INTEGER NMASSC ! Number of mass constraints
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INTEGER NTRACK ! Number of tracks, this fit
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C Vertex track associations
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LOGICAL TRKVTX(MAXTRK,MAXVTX) ! (Track,Vertex) assoc. table
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INTEGER VTXPNT(MAXVTX,2) ! Vertex association information
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C Conversion constraints info
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INTEGER CVTX (MAXVTX) ! Conversion constraint specs
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LOGICAL TRKMCN(MAXTRK,MAXMCN) ! (Track,Mass_Constraint) table
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REAL CMASS (MAXMCN) ! Constraint mass
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C Required Input Track Specifications
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CHARACTER*4 TKBANK(MAXTRK) ! Track bank type (e.g. 'TRKS')
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INTEGER LIST (MAXTRK) ! Track bank number
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REAL TMASS (MAXTRK) ! Track mass assignment
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C Fit input, collected using the input specifications
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REAL PAR0 (5,MAXTRK) ! Original trk parameter values
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REAL G (5,5,MAXTRK) ! Fitted trk parameter covar.
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C Optional Input, Required Data for Pointing Constraints
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REAL XYZPV0(3) ! Primary vertex: XYZ
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REAL EXYZPV(3,3) ! Primary vertex: covariance
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REAL XZSLOPE,YZSLOPE ! beamline slopes vs z direction
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INTEGER RUNNUM,TRGNUM ! Run and Event Number
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INTEGER ITER ! Number of iterative steps
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INTEGER NTSCUT ! Total number of cut steps
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C Output; Results of the Fit
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INTEGER MATDIM ! Dimension of matrix, this fit
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INTEGER NDOF ! Number of degrees of freedom
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LOGICAL VTXVTX(MAXVTX,MAXVTX) ! Vertex geneology
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REAL CHISQR(0:MAXITR) ! Overall fit Chi Square result
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REAL CHIT (MAXTRK) ! Track contr. to Chi Square
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REAL CHIV (0:MAXVTX) ! Vertex fit Chi Squares
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REAL CHIM (MAXMCN) ! Mass constraint Chi Squares
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REAL PAR (5,MAXTRK) ! Fitted trk helix parameters
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REAL PARDIF(5,MAXTRK) ! Parameter diff (fit-input)
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REAL FMCDIF(MAXMCN) ! Mass constraint residuals
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REAL PCON (MAXVTX,2) ! Pointing constraint tests
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REAL SANG (MAXVTX,2) ! Pointing constraint tests
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REAL XYZVRT(3,0:MAXVTX) ! Primary, Second vertices
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REAL TRKP4 (MAXTRK,6) ! Track Px,Py,Pz,E,Pt P
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REAL VTXP4 (4,MAXVTX) ! Vertex 4-momentum sum
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REAL MCNP4 (4,MAXMCN) ! 4-mom sum for mass constr.
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REAL DDA (MAXTRK,8) ! d(Px,Py)/d(Crv,Phi,Xs,Ys)
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REAL DXYZPV(3) ! Primary displacement in fit
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INTEGER VOFF (MAXVTX) ! Vertex offset pointers
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INTEGER POFF (MAXVTX) ! Point Phi offset pointers
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INTEGER COFF (MAXVTX) ! Point Cotan offset pointers
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INTEGER TOFF (MAXTRK) ! Track offset pointers
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INTEGER MOFF ! Mass offset pointers
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C Memory
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INTEGER TKERR (MAXTRK) ! Trk error flag, previous fit
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INTEGER IJKERR(3) ! Error code reporting
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REAL XYZPV (3)
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INTEGER UVWXYZ(UDIM)
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EQUIVALENCE(XYZPV,XYZVRT(1,0)) ! Danger: equiv. statements
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EQUIVALENCE(UVWXYZ,ITER)
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C CTC first approximation and track-vertex step parameters
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REAL DRMAX,RVMAX,DZMAX,TRNMAX,DSMIN
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C Useful conversion parameter
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REAL PSCALE ! Mom.scale conversion
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! [cm^-1 -> Gev/c]
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COMMON /CTVMFR/
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> RUNNUM,TRGNUM,ITER,NTSCUT
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> ,NVERTX,NMASSC,NTRACK
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> ,TRKVTX,TRKMCN,VTXPNT,CMASS,CVTX
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> ,VTXVTX
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> ,TKBANK,LIST,TMASS
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> ,MATDIM
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> ,TKERR
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> ,NDOF,CHISQR,CHIT,CHIV,CHIM
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> ,XYZPV0,EXYZPV
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> ,XZSLOPE,YZSLOPE
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> ,XYZVRT,DXYZPV
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> ,PAR,G
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> ,TRKP4,VTXP4,MCNP4,DDA
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> ,VOFF,TOFF,POFF,COFF,MOFF
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> ,PAR0,PARDIF
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> ,FMCDIF,PCON,SANG
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> ,DRMAX,RVMAX,DZMAX,TRNMAX,DSMIN
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> ,IJKERR
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> ,PSCALE
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C ----------------------------------------------------------------------
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C Double precision stuff
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C Covariance matrix, fit parameters
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REAL*8 VMAT(MAXDIM,MAXDIM+1)
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COMMON /CTVMFD/
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> VMAT
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