! $Id: $

MODULE logic_mod

IMPLICIT NONE

  LOGICAL purmats ! true if time stepping is purely Matsuno scheme
                  ! false implies Matsuno-Leapfrog time stepping scheme
  LOGICAL forward ! true if during forward phase of Matsuno step
  LOGICAL leapf ! true if during a leapfrog time stepping step
  LOGICAL apphys ! true if during a time step when physics will be called
  LOGICAL statcl
  LOGICAL conser
  LOGICAL apdiss ! true if during a time step when dissipation will be called
  LOGICAL apdelq
  LOGICAL saison
  LOGICAL ecripar
  LOGICAL fxyhypb ! true if using hyperbolic function discretization
                  ! for latitudinal grid 
  LOGICAL ysinus ! true if using sine function discretiation
                 ! for latitudinal grid
  LOGICAL read_start ! true if reading a start.nc file to initialize fields
  LOGICAL ok_guide ! true if nudging
  LOGICAL ok_strato
  LOGICAL ok_gradsfile
  LOGICAL ok_limit  ! true for boundary conditions file creation (limit.nc)
  LOGICAL ok_etat0  ! true for initial states creation (start.nc, startphy.nc)
  LOGICAL read_orop ! true for sub-cell scales orographic params read in file
  LOGICAL hybrid ! vertical coordinate is hybrid if true (sigma otherwise)
                 ! (only used if disvert_type==2)
  LOGICAL adv_qsat_liq ! true if qsat is calculated alwats wrt liquid for
                       ! adapted Van Leer advection scheme
  INTEGER iflag_phys ! type of physics to call: 0 none, 1: phy*** package,
                     ! 2: Held & Suarez, 101-200: aquaplanets & terraplanets
  INTEGER iflag_trac

!$OMP THREADPRIVATE(purmats,forward,leapf,apphys,statcl,conser, &
!$OMP     apdiss,apdelq,saison,ecripar,fxyhypb,ysinus, &
!$OMP     read_start,ok_guide,ok_strato,ok_gradsfile, &
!$OMP     ok_limit,ok_etat0,hybrid, adv_qsat_liq)
!$OMP THREADPRIVATE(iflag_phys,iflag_trac)

!WARNING: when adding a threadprivate variable in this module
!        do not forget to add it to the copyin clause when opening an OpenMP
!        parallel section. e.g. in gcm before call leapfrog_loc 

END MODULE logic_mod