module MD_data
!-----------------------------------------------------------------------------
#ifndef LANG0
! commom.langevin
!      common /langforc/
      real(kind=8),dimension(:,:),allocatable :: friction,stochforc !(3,0:MAXRES2)
      real(kind=8),dimension(:),allocatable :: fric_work,stoch_work,&
       fricgam !(MAXRES6)
      real(kind=8),dimension(:,:),allocatable :: fricmat,fricvec,&
       pfric_mat,vfric_mat,afric_mat,prand_mat,vrand_mat1,&
       vrand_mat2 !(MAXRES2,MAXRES2)
      real(kind=8),dimension(:,:,:),allocatable :: pfric0_mat,&
       afric0_mat,vfric0_mat,prand0_mat,vrand0_mat1,vrand0_mat2 !(MAXRES2,MAXRES2,0:maxflag_stoch)
      logical,dimension(:),allocatable :: flag_stoch !(0:maxflag_stoch)
!      common /langmat/
      real(kind=8),dimension(:,:),allocatable :: mt1,mt2,mt3 !(maxres2,maxres2)
!-----------------------------------------------------------------------------
#else
! commom.langevin.lang0
!      common /langforc/
      real(kind=8),dimension(:,:),allocatable :: friction,stochforc !(3,0:MAXRES2)
      real(kind=8),dimension(:,:),allocatable :: fricmat,fricvec !(MAXRES2,MAXRES2)
      real(kind=8),dimension(:),allocatable :: fric_work,stoch_work,&
       fricgam !(MAXRES6)
      logical,dimension(:),allocatable :: flag_stoch !(0:maxflag_stoch)
      real(kind=8) :: vrand_mat1,vrand_mat2,prand_mat,vfric_mat,&
       afric_mat,pfric_mat,pfric0_mat,afric0_mat,vfric0_mat,prand0_mat,&
       vrand0_mat1,vrand0_mat2
!      common /langmat/
      integer :: mt1,mt2,mt3
#endif
!-----------------------------------------------------------------------------
! commom.hairpin in CSA module
!-----------------------------------------------------------------------------
! common.mce in MCM_MD module
!-----------------------------------------------------------------------------
! common.MD
!      common /mdgrad/ in module.energy
!      common /back_constr/ in module.energy
!      common /qmeas/ others in module.geometry
      real(kind=8) :: eq_time
      integer :: iset,nset
      integer,dimension(:),allocatable :: mset !(maxprocs/20)
      logical :: usampl
!      common /mdpar/
      real(kind=8) :: v_ini,d_time,d_time0,scal_fric,&
       t_bath,tau_bath,dvmax,damax
      integer :: n_timestep,ntime_split,ntime_split0,maxtime_split,&
       ntwx,ntwe
      logical :: mdpdb,large,print_compon,tbf,rest
!      common /MDcalc/
      real(kind=8) :: totT,totE,potE,EK,amax,edriftmax,kinetic_T,totTafm
      real(kind=8),dimension(:),allocatable :: potEcomp !(0:n_ene+4)
!      common /lagrange/
      real(kind=8),dimension(:,:),allocatable :: d_t,d_a,d_t_old !(3,0:MAXRES2)
      real(kind=8),dimension(:),allocatable :: d_a_work !(6*MAXRES)
      real(kind=8),dimension(:,:),allocatable :: Gmat,Ginv,A,&
       Gsqrp,Gsqrm,Gvec !(maxres2,maxres2)
      real(kind=8),dimension(:),allocatable :: DM,DU1,DU2
      real(kind=8),dimension(:),allocatable :: DMorig,DU1orig,DU2orig
      real(kind=8),dimension(:),allocatable :: Geigen !(maxres2)
      real(kind=8),dimension(:),allocatable ::vtot !(maxres2)
      logical :: reset_moment,reset_vel,rattle,RESPA
      integer :: dimen,dimen1,dimen3
      integer :: lang,count_reset_moment,count_reset_vel
!      common /inertia/
      real(kind=8),dimension(5) :: IP,mp
      real(kind=8),dimension(:,:),allocatable :: ISC,msc !(ntyp+1)
!      common /langevin/
      real(kind=8) :: rwat,etawat
      real(kind=8), dimension(5) :: pstok,gamp,stdfp
      real(kind=8) :: cPoise=2.9361d0, Rb=0.001986d0
      real(kind=8),dimension(:,:),allocatable :: gamsc !(ntyp1)
      real(kind=8),dimension(:,:),allocatable :: stdfsc !(ntyp)

      real(kind=8),dimension(:,:),allocatable :: restok !(ntyp+1)
      logical :: surfarea
      integer :: reset_fricmat
!      common /mdpmpi/
      integer :: igmult_start,igmult_end,my_ng_count,myginv_ng_count
      integer,dimension(:),allocatable :: ng_start,ng_counts,&
       nginv_counts !(0:MaxProcs-1)
      integer,dimension(:),allocatable :: nginv_start !(0:MaxProcs)
!-----------------------------------------------------------------------------
! common.muca
!      common /double_muca/
      real(kind=8) :: elow,ehigh,factor,hbin,factor_min
      real(kind=8),dimension(:),allocatable :: emuca,nemuca,&
       nemuca2,hist !(4*maxres)
!      common /integer_muca/
      integer :: nmuca,imtime,muca_smooth
!      common /mucarem/
      real(kind=8),dimension(:),allocatable :: elowi,ehighi !(maxprocs)
!-----------------------------------------------------------------------------
! Maximum number of timesteps for which stochastic MD matrices can be stored
      integer,parameter :: maxflag_stoch=0
!-----------------------------------------------------------------------------
!      common /przechowalnia/ subroutines: setup_MD_matrices
      real(kind=8),dimension(:,:),allocatable :: Gcopy !(maxres2,maxres2), maxres2=2*maxres
!-----------------------------------------------------------------------------
!      common /przechowalnia/ subroutines: setup_fricmat,setup_MD_matrices
      real(kind=8),dimension(:),allocatable :: Ghalf
!-----------------------------------------------------------------------------
!      COMMON /BANII/ D
      real(kind=8),DIMENSION(:),allocatable :: D_ban !(MAXRES6) maxres6=6*maxres
!-----------------------------------------------------------------------------
      logical preminim ! pre-minimizaation flag
      end module MD_data