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block_var.f90
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! ----------------------------------------------------------------
! file: block_var.f90
! ----------------------------------------------------------------
! ----------------------------------------------------------------
! Battelle Memorial Institute
! Pacific Northwest Laboratory
! ----------------------------------------------------------------
! ----------------------------------------------------------------
! Created December 17, 2010 by William A. Perkins
! Last Change: 2014-06-13 15:04:30 d3g096
! ----------------------------------------------------------------
! RCS ID: $Id$ Battelle PNL
! ----------------------------------------------------------------
! MODULE block_var
!
! This module is build around the block_variable type. It is intended
! to encapsulate GA operations for a single variable and maintain
! local arrays for that variable. All indexing uses the GA indexing
! (1-based).
! ----------------------------------------------------------------
MODULE block_variable
USE utility
USE block_variable_base
IMPLICIT NONE
CHARACTER (LEN=80), PRIVATE, SAVE :: rcsid = "$Id$"
INTEGER, PUBLIC, PARAMETER :: nslice = 4
INTEGER, PUBLIC, PARAMETER :: &
&BLK_VAR_BOGUS = 0,&
&BLK_VAR_CURRENT = 1, &
&BLK_VAR_STAR = 2, &
&BLK_VAR_OLD = 3, &
&BLK_VAR_OLDOLD = 4
! ----------------------------------------------------------------
! TYPE block_var
! ----------------------------------------------------------------
TYPE block_var
TYPE (block_var_base), POINTER :: base
! handle to the Global Array for this variable
INTEGER :: ga_handle
! local copies of global array; includes both owned and ghost;
! these use MASS2 array indexes; these may not all be required
DOUBLE PRECISION, POINTER :: current(:,:)
DOUBLE PRECISION, POINTER :: star(:,:)
DOUBLE PRECISION, POINTER :: old(:,:)
DOUBLE PRECISION, POINTER :: oldold(:,:)
END type block_var
CONTAINS
! ----------------------------------------------------------------
! TYPE (block_var) FUNCTION block_var_allocate
! ----------------------------------------------------------------
TYPE (block_var) FUNCTION block_var_allocate(name, base, const) &
&RESULT(v)
IMPLICIT NONE
#include "mafdecls.fh"
#include "global.fh"
CHARACTER (LEN=*), INTENT(IN) :: name
TYPE (block_var_base), POINTER, INTENT(IN) :: base
LOGICAL, INTENT(IN), OPTIONAL :: const
POINTER v
LOGICAL :: ga_ok
INTEGER :: ierr
INTEGER :: imin, imax, jmin, jmax
CHARACTER (LEN=1024) :: msg
LOGICAL :: doconst
doconst = .FALSE.
IF (PRESENT(const)) doconst = const
ierr = 0
ALLOCATE(v, STAT=ierr)
IF (ierr .NE. 0) GOTO 100
v%base => base
ga_ok = ga_duplicate(v%base%ga_handle, v%ga_handle, name)
IF (.NOT. ga_ok) GOTO 100
! CALL ga_print(v%ga_handle)
imin = v%base%imin_used
imax = v%base%imax_used
jmin = v%base%jmin_used
jmax = v%base%jmax_used
ALLOCATE(v%current(imin:imax, jmin:jmax), STAT=ierr)
IF (ierr .NE. 0) GOTO 100
v%current = 0.0
IF (.NOT. doconst) THEN
ALLOCATE(v%star(imin:imax, jmin:jmax), &
&v%old(imin:imax, jmin:jmax), &
&v%oldold(imin:imax, jmin:jmax), STAT=ierr)
IF (ierr .NE. 0) GOTO 100
v%star = 0.0
v%old = 0.0
v%oldold = 0.0
ELSE
NULLIFY(v%star)
NULLIFY(v%old)
NULLIFY(v%oldold)
END IF
RETURN
100 CONTINUE
DEALLOCATE(v)
NULLIFY(v)
WRITE(msg, *) "Process ", ga_nodeid(), &
&": allocation error for block variable ", &
&TRIM(name)
CALL error_message(msg, fatal=.FALSE.)
RETURN
END FUNCTION block_var_allocate
! ----------------------------------------------------------------
! SUBROUTINE block_var_deallocate
! ----------------------------------------------------------------
SUBROUTINE block_var_deallocate(v)
IMPLICIT NONE
#include "mafdecls.fh"
#include "global.fh"
TYPE (block_var), POINTER, INTENT(INOUT) :: v
LOGICAL :: ok
DEALLOCATE(v%current)
IF (ASSOCIATED(v%star)) DEALLOCATE(v%star)
IF (ASSOCIATED(v%old)) DEALLOCATE(v%old)
IF (ASSOCIATED(v%oldold)) DEALLOCATE(v%oldold)
ok = ga_destroy(v%ga_handle)
DEALLOCATE(v)
NULLIFY(v)
END SUBROUTINE block_var_deallocate
! ----------------------------------------------------------------
! SUBROUTINE block_var_get
!
! This fills the local copies of the global array with whatever is
! in the global array. Ghost cell values are included in the get.
! ----------------------------------------------------------------
SUBROUTINE block_var_get(var, index)
IMPLICIT NONE
#include "mafdecls.fh"
#include "global.fh"
TYPE (block_var), INTENT(INOUT) :: var
INTEGER, INTENT(IN), OPTIONAL :: index
INTEGER :: lo(ndim), hi(ndim), ld(ndim-1)
INTEGER :: imin, imax, jmin, jmax
INTEGER :: myindex
DOUBLE PRECISION, POINTER :: tmp(:,:)
myindex = BLK_VAR_CURRENT
IF (PRESENT(index)) myindex = index
lo = var%base%lo_used
hi = var%base%hi_used
ld = var%base%ld_used
lo(3) = myindex
hi(3) = myindex
imin = var%base%imin_used
imax = var%base%imax_used
jmin = var%base%jmin_used
jmax = var%base%jmax_used
NULLIFY(tmp)
SELECT CASE (myindex)
CASE (BLK_VAR_CURRENT)
tmp => var%current
CASE (BLK_VAR_STAR)
IF (ASSOCIATED(var%star)) &
&tmp => var%star
CASE (BLK_VAR_OLD)
IF (ASSOCIATED(var%old))&
&tmp => var%old
CASE (BLK_VAR_OLDOLD)
IF (ASSOCIATED(var%oldold))&
&tmp => var%oldold
END SELECT
CALL nga_get(var%ga_handle, lo, hi, tmp(imin:imax, jmin:jmax), ld)
END SUBROUTINE block_var_get
! ----------------------------------------------------------------
! SUBROUTINE block_var_put
! ----------------------------------------------------------------
SUBROUTINE block_var_put(var, index)
IMPLICIT NONE
#include "mafdecls.fh"
#include "global.fh"
TYPE (block_var), INTENT(INOUT) :: var
INTEGER, INTENT(IN), OPTIONAL :: index
INTEGER :: lo(ndim), hi(ndim), ld(ndim-1)
INTEGER :: imin, imax, jmin, jmax
DOUBLE PRECISION, POINTER :: tmp(:,:)
INTEGER :: myindex
myindex = BLK_VAR_CURRENT
IF (PRESENT(index)) myindex = index
lo = var%base%lo_owned
hi = var%base%hi_owned
ld = var%base%ld_owned
lo(3) = myindex
hi(3) = myindex
imin = var%base%imin_owned
imax = var%base%imax_owned
jmin = var%base%jmin_owned
jmax = var%base%jmax_owned
NULLIFY(tmp)
SELECT CASE (myindex)
CASE (BLK_VAR_CURRENT)
tmp => var%current
CASE (BLK_VAR_STAR)
IF (ASSOCIATED(var%star)) &
&tmp => var%star
CASE (BLK_VAR_OLD)
IF (ASSOCIATED(var%old))&
&tmp => var%old
CASE (BLK_VAR_OLDOLD)
IF (ASSOCIATED(var%oldold))&
&tmp => var%oldold
END SELECT
CALL nga_put(var%ga_handle, lo, hi, tmp(imin:imax, jmin:jmax), ld)
END SUBROUTINE block_var_put
! ----------------------------------------------------------------
! SUBROUTINE block_var_get_logical
! ----------------------------------------------------------------
SUBROUTINE block_var_get_logical(var, larray)
IMPLICIT NONE
TYPE (block_var), INTENT(INOUT) :: var
LOGICAL, INTENT(INOUT) :: larray(&
&var%base%imin_used:var%base%imax_used,&
&var%base%jmin_used:var%base%jmax_used)
INTEGER :: lo(ndim), hi(ndim), ld(ndim-1)
INTEGER :: imin, imax, jmin, jmax, i, j
lo = var%base%lo_used
hi = var%base%hi_used
ld = var%base%ld_used
lo(3) = 1
hi(3) = 1
imin = var%base%imin_used
imax = var%base%imax_used
jmin = var%base%jmin_used
jmax = var%base%jmax_used
CALL nga_get(var%ga_handle, lo, hi, var%current(imin:imax, jmin:jmax), ld)
DO i = imin, imax
DO j = jmin, jmax
larray(i, j) = (var%current(i,j) .GT. 0.5)
END DO
END DO
END SUBROUTINE block_var_get_logical
! ----------------------------------------------------------------
! SUBROUTINE block_var_put_logical
! ----------------------------------------------------------------
SUBROUTINE block_var_put_logical(var, larray)
IMPLICIT NONE
TYPE (block_var), INTENT(INOUT) :: var
LOGICAL, INTENT(IN) :: larray(&
&var%base%imin_used:var%base%imax_used,&
&var%base%jmin_used:var%base%jmax_used)
INTEGER :: lo(ndim), hi(ndim), ld(ndim-1)
INTEGER :: imin, imax, jmin, jmax, i, j
lo = var%base%lo_owned
hi = var%base%hi_owned
ld = var%base%ld_owned
lo(3) = 1
hi(3) = 1
imin = var%base%imin_owned
imax = var%base%imax_owned
jmin = var%base%jmin_owned
jmax = var%base%jmax_owned
var%current = 0.0
DO i = imin, imax
DO j = jmin, jmax
IF (larray(i, j)) var%current(i,j) = 1.0
END DO
END DO
CALL nga_put(var%ga_handle, lo, hi, var%current(imin:imax, jmin:jmax), ld)
END SUBROUTINE block_var_put_logical
! ----------------------------------------------------------------
! SUBROUTINE block_var_initialize
! ----------------------------------------------------------------
SUBROUTINE block_var_initialize(var, val)
IMPLICIT NONE
TYPE (block_var), INTENT(INOUT) :: var
DOUBLE PRECISION, INTENT(IN) :: val
var%current = val
IF (ASSOCIATED(var%star)) CALL block_var_iterate(var)
IF (ASSOCIATED(var%old)) THEN
CALL block_var_timestep(var)
CALL block_var_timestep(var)
END IF
END SUBROUTINE block_var_initialize
! ----------------------------------------------------------------
! SUBROUTINE block_var_iterate
! ----------------------------------------------------------------
SUBROUTINE block_var_iterate(var)
IMPLICIT NONE
TYPE (block_var), INTENT(INOUT) :: var
INTEGER :: imin, imax, jmin, jmax
imin = var%base%imin_owned
imax = var%base%imax_owned
jmin = var%base%jmin_owned
jmax = var%base%jmax_owned
var%star(imin:imax, jmin:jmax) = var%current(imin:imax, jmin:jmax)
CALL block_var_put(var, BLK_VAR_STAR)
END SUBROUTINE block_var_iterate
! ----------------------------------------------------------------
! SUBROUTINE block_var_timestep
! ----------------------------------------------------------------
SUBROUTINE block_var_timestep(var)
IMPLICIT NONE
TYPE (block_var), INTENT(INOUT) :: var
INTEGER :: imin, imax, jmin, jmax
imin = var%base%imin_owned
imax = var%base%imax_owned
jmin = var%base%jmin_owned
jmax = var%base%jmax_owned
var%oldold(imin:imax, jmin:jmax) = var%old(imin:imax, jmin:jmax)
var%old(imin:imax, jmin:jmax) = var%current(imin:imax, jmin:jmax)
CALL block_var_put(var, BLK_VAR_OLD)
CALL block_var_put(var, BLK_VAR_OLDOLD)
! remote old values are never needed on the local processor, so no
! need to get
END SUBROUTINE block_var_timestep
! ----------------------------------------------------------------
! SUBROUTINE block_var_get_all
!
! This fills buffer with the entire global array of the specified
! variable (and index).
!
! It is assumed that buffer has the correct dimensions. The caller
! should get the buffer using function block_buffer()
! ----------------------------------------------------------------
SUBROUTINE block_var_get_all(var, buffer, index)
IMPLICIT NONE
#include "mafdecls.fh"
#include "global.fh"
TYPE (block_var), INTENT(IN) :: var
DOUBLE PRECISION, INTENT(OUT) :: buffer(:, :)
INTEGER, INTENT(IN), OPTIONAL :: index
INTEGER :: myindex
INTEGER :: junk, lo(ndim), hi(ndim), ld(ndim)
myindex = BLK_VAR_CURRENT
IF (PRESENT(index)) myindex = index
CALL nga_inquire(var%ga_handle, junk, junk, hi)
lo = 1
ld = hi - lo + 1
lo(3) = myindex
hi(3) = myindex
CALL nga_get(var%ga_handle, lo, hi, buffer, ld)
END SUBROUTINE block_var_get_all
! ----------------------------------------------------------------
! SUBROUTINE block_var_put_all
!
! This fills buffer with the entire global array of the specified
! variable (and index).
!
! It is assumed that buffer has the correct dimensions. The caller
! should fill the buffer using function block_buffer()
! ----------------------------------------------------------------
SUBROUTINE block_var_put_all(var, buffer, index)
IMPLICIT NONE
#include "mafdecls.fh"
#include "global.fh"
TYPE (block_var), INTENT(IN) :: var
DOUBLE PRECISION, INTENT(OUT) :: buffer(:, :)
INTEGER, INTENT(IN), OPTIONAL :: index
INTEGER :: myindex
INTEGER :: junk, lo(ndim), hi(ndim), ld(ndim)
myindex = BLK_VAR_CURRENT
IF (PRESENT(index)) myindex = index
CALL nga_inquire(var%ga_handle, junk, junk, hi)
lo = 1
ld = hi - lo + 1
lo(3) = myindex
hi(3) = myindex
CALL nga_put(var%ga_handle, lo, hi, buffer, ld)
END SUBROUTINE block_var_put_all
! ----------------------------------------------------------------
! SUBROUTINE block_var_get_some
! ----------------------------------------------------------------
SUBROUTINE block_var_get_some(var, imin, imax, jmin, jmax, buffer, index)
IMPLICIT NONE
TYPE (block_var), INTENT(IN) :: var
INTEGER, INTENT(IN) :: imin, imax, jmin, jmax
DOUBLE PRECISION, INTENT(INOUT) :: buffer(imin:imax, jmin:jmax)
INTEGER, INTENT(IN), OPTIONAL :: index
INTEGER :: myindex, lo(ndim), hi(ndim), ld(ndim)
myindex = BLK_VAR_CURRENT
IF (PRESENT(index)) myindex = index
lo(1) = imin - i_index_min + 1
lo(2) = jmin - j_index_min + 1
lo(3) = myindex
hi(1) = imax - i_index_min + 1
hi(2) = jmax - j_index_min + 1
hi(3) = myindex
ld = hi - lo + 1
CALL nga_get(var%ga_handle, lo, hi, buffer(imin:imax, jmin:jmax), ld)
END SUBROUTINE block_var_get_some
! ----------------------------------------------------------------
! SUBROUTINE block_var_sync
! ----------------------------------------------------------------
SUBROUTINE block_var_sync()
IMPLICIT NONE
CALL ga_sync()
END SUBROUTINE block_var_sync
! ----------------------------------------------------------------
! SUBROUTINE block_var_interpolate
! ----------------------------------------------------------------
SUBROUTINE block_var_interpolate(v1, v2, factor, vout)
IMPLICIT NONE
TYPE (block_var), INTENT(INOUT) :: v1
TYPE (block_var), INTENT(INOUT) :: v2
DOUBLE PRECISION, INTENT(IN) :: factor
TYPE (block_var), INTENT(INOUT) :: vout
INTEGER :: imin, imax, jmin, jmax, i, j
imin = vout%base%imin_owned
imax = vout%base%imax_owned
jmin = vout%base%jmin_owned
jmax = vout%base%jmax_owned
DO i = imin, imax
DO j = jmin, jmax
vout%current(i, j) = &
&(v2%current(i, j) - v1%current(i, j))*factor +&
& v1%current(i, j)
END DO
END DO
CALL block_var_put(vout, BLK_VAR_CURRENT)
END SUBROUTINE block_var_interpolate
END MODULE block_variable