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!****h* ROBODoc/H5S
!
! NAME
!  MODULE H5S
!
! FILE
!  fortran/src/H5Sff.f90
!
! PURPOSE
!  This file contains Fortran interfaces for H5S functions. It includes
!  all the functions that are independent on whether the Fortran 2003 functions
!  are enabled or disabled.
!
!
! COPYRIGHT
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!   Copyright by The HDF Group.                                               *
!   Copyright by the Board of Trustees of the University of Illinois.         *
!   All rights reserved.                                                      *
!                                                                             *
!   This file is part of HDF5.  The full HDF5 copyright notice, including     *
!   terms governing use, modification, and redistribution, is contained in    *
!   the files COPYING and Copyright.html.  COPYING can be found at the root   *
!   of the source code distribution tree; Copyright.html can be found at the  *
!   root level of an installed copy of the electronic HDF5 document set and   *
!   is linked from the top-level documents page.  It can also be found at     *
!   http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
!   access to either file, you may request a copy from help@hdfgroup.org.     *
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!
! NOTES
!                         *** IMPORTANT ***
!  If you add a new H5S function you must add the function name to the
!  Windows dll file 'hdf5_fortrandll.def.in' in the fortran/src directory.
!  This is needed for Windows based operating systems.
!
!*****

MODULE H5S
  USE H5GLOBAL

CONTAINS

!
!****s* H5S/h5screate_simple_f
!
! NAME
!  h5screate_simple_f
!
! PURPOSE 	
!  Creates a new simple data space and opens it for access	.
!
! INPUTS
!  rank        - number of dimensions
!  dims        - an array of the size of each dimension
! OUTPUTS
!  space_id    - dataspace identifier
!  hdferr      - Returns 0 if successful and -1 if fails
! OPTIONAL PARAMETERS
!  maxdims     - an array of the maximum size of each dimension
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
! SOURCE
          SUBROUTINE h5screate_simple_f(rank, dims, space_id, hdferr, maxdims)

            IMPLICIT NONE
            INTEGER, INTENT(IN) :: rank             ! Number of dataspace dimensions
            INTEGER(HSIZE_T), INTENT(IN) :: dims(rank)
                                                    ! Array with the dimension
                                                    ! sizes
            INTEGER(HID_T), INTENT(OUT) :: space_id ! Dataspace identifier
            INTEGER, INTENT(OUT) :: hdferr          ! Error code
            INTEGER(HSIZE_T), OPTIONAL, INTENT(IN) :: maxdims(rank)
                                                    ! Array with the maximum
                                                    ! dimension sizes
!*****
            INTEGER(HSIZE_T), ALLOCATABLE, DIMENSION(:) :: f_maxdims

            INTERFACE
              INTEGER FUNCTION h5screate_simple_c(rank, dims, maxdims, space_id)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SCREATE_SIMPLE_C'::h5screate_simple_c
              !DEC$ENDIF
              INTEGER, INTENT(IN) :: rank
              INTEGER(HSIZE_T), INTENT(IN) :: dims(rank)
              INTEGER(HSIZE_T), DIMENSION(:),INTENT(IN) :: maxdims(rank)
              INTEGER(HID_T), INTENT(OUT) :: space_id
              END FUNCTION h5screate_simple_c
            END INTERFACE

            allocate (f_maxdims(rank), stat=hdferr)
            if (hdferr .NE. 0) then
                hdferr = -1
                return
            endif
            if (present(maxdims)) then
                f_maxdims = maxdims
            else
                f_maxdims = dims
            endif
            hdferr = h5screate_simple_c(rank, dims, f_maxdims, space_id)
            deallocate(f_maxdims)

          END SUBROUTINE h5screate_simple_f

!
!****s* H5S/h5sclose_f
!
! NAME
!  h5sclose_f
!
! PURPOSE
!  Releases and terminates access to a dataspace.
!
! INPUTS
!  space_id    - identifier of dataspace to release
! OUTPUTS
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sclose_f(space_id, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER, INTENT(OUT) :: hdferr         ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sclose_c(space_id)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SCLOSE_C'::h5sclose_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              END FUNCTION h5sclose_c
            END INTERFACE

            hdferr = h5sclose_c(space_id)

          END SUBROUTINE h5sclose_f

!
!****s* H5S/h5screate_f
!
! NAME
!  h5screate_f
!
! PURPOSE
!  Creates a new dataspace of a specified type.
!
! INPUTS
!  classtype   - the type of the dataspace to be created
! OUTPUTS
!  space_id    - dataspace identifier
!  hdferr      - Returns 0 if successful and -1 if fails
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! NOTES
!

! SOURCE
          SUBROUTINE h5screate_f(classtype, space_id, hdferr)
            IMPLICIT NONE
            INTEGER, INTENT(IN) :: classtype     ! The type of the dataspace
                                                 ! to be created.
                                                 ! Possible values are:
                                                 !  H5S_SCALAR_F (0)
                                                 !  H5S_SIMPLE_F(1)
                                                 !  H5S_NULL_F(2)
            INTEGER(HID_T), INTENT(OUT) :: space_id ! Dataspace identifier
            INTEGER, INTENT(OUT) :: hdferr          ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5screate_c(classtype, space_id)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SCREATE_C'::h5screate_c
              !DEC$ENDIF
              INTEGER, INTENT(IN) :: classtype
              INTEGER(HID_T), INTENT(OUT) :: space_id
              END FUNCTION h5screate_c
            END INTERFACE

            hdferr = h5screate_c(classtype, space_id)

          END SUBROUTINE h5screate_f

!
!****s* H5S/h5scopy_f
!
! NAME
!  h5scopy_f
!
! PURPOSE
!  Creates an exact copy of a dataspace.
!
! INPUTS
!  space_id 	 - dataspace identifier
! OUTPUTS
!  new_space_id  - identifier of dataspace's copy
!  hdferr        - Returns 0 if successful and -1 if fails
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! NOTES
!

! SOURCE
          SUBROUTINE h5scopy_f(space_id, new_space_id, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER(HID_T), INTENT(OUT) :: new_space_id
                                             ! Identifier of dataspace's copy
            INTEGER, INTENT(OUT) :: hdferr   ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5scopy_c(space_id, new_space_id)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SCOPY_C'::h5scopy_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER(HID_T), INTENT(OUT):: new_space_id
              END FUNCTION h5scopy_c
            END INTERFACE

            hdferr = h5scopy_c(space_id, new_space_id)

          END SUBROUTINE h5scopy_f

!
!****s* H5S/h5sget_select_hyper_nblocks_f
!
! NAME
!  h5sget_select_hyper_nblocks_f
!
! PURPOSE
!  Get number of hyperslab blocks.
!
! INPUTS
!  space_id    - dataspace identifier
! OUTPUTS
!  num_blocks  - number of hyperslab blocks in the current
!                hyperslab selection
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sget_select_hyper_nblocks_f(space_id, num_blocks, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER(HSSIZE_T), INTENT(OUT) :: num_blocks
                                             !number of hyperslab blocks
                                             !in the current dataspace
                                             !selection
            INTEGER, INTENT(OUT) :: hdferr   ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sget_select_hyper_nblocks_c (space_id, num_blocks)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
!  DEC$ ATTRIBUTES C,reference,decorate,alias:'H5SGET_SELECT_HYPER_NBLOCKS_C'::h5sget_select_hyper_nblocks_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER(HSSIZE_T), INTENT(OUT) :: num_blocks
              END FUNCTION h5sget_select_hyper_nblocks_c
            END INTERFACE

            hdferr =  h5sget_select_hyper_nblocks_c (space_id, num_blocks)

          END SUBROUTINE h5sget_select_hyper_nblocks_f

!
!****s* H5S/h5sget_select_hyper_blocklist_f
!
! NAME
!  h5sget_select_hyper_blocklist_f
!
! PURPOSE
!  Gets the list of hyperslab blocks currently selected.
!
! INPUTS
!  space_id    - dataspace identifier
!  startblock  - hyperslab block to start with
!  num_blocks  - number of blocks to get
! OUTPUTS
!  buf 	       - buffer to hold block list
!  hdferr      - Returns 0 if successful and -1 if fails
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
! SOURCE
          SUBROUTINE h5sget_select_hyper_blocklist_f(space_id, startblock, &
                                                    num_blocks, buf, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER(HSIZE_T), INTENT(IN) :: startblock
                                             !Hyperslab block to start with.
            INTEGER(HSIZE_T), INTENT(IN) :: num_blocks
                                             !number of hyperslab blocks
                                             !to get in the current dataspace
                                             !selection
            INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: buf
                                             !List of hyperslab blocks selected
            INTEGER, INTENT(OUT) :: hdferr   ! Error code
!*****

            INTERFACE
              INTEGER FUNCTION h5sget_select_hyper_blocklist_c(space_id, startblock, &
                                                              num_blocks, buf )
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
            !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SGET_SELECT_HYPER_BLOCKLIST_C'::h5sget_select_hyper_blocklist_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER(HSIZE_T), INTENT(IN) :: startblock
              INTEGER(HSIZE_T), INTENT(IN) :: num_blocks
              INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: buf
              END FUNCTION h5sget_select_hyper_blocklist_c
            END INTERFACE


            hdferr =  h5sget_select_hyper_blocklist_c(space_id, startblock, &
                                                       num_blocks, buf )

          END SUBROUTINE h5sget_select_hyper_blocklist_f

!
!****s* H5S/h5sget_select_bounds_f
!
! NAME
!  h5sget_select_bounds_f
!
! PURPOSE
!  Gets the bounding box containing the current selection.
!
! INPUTS
!  space_id    - dataspace identifier
!
! OUTPUTS
!  start       - starting coordinates of bounding box
!  end 	       - ending coordinates of bounding box
!  hdferr      - Returns 0 if successful and -1 if fails
! OPTIONAL PARAMETERS
!  NONE
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
! SOURCE
  SUBROUTINE  h5sget_select_bounds_f(space_id, start, END, hdferr)
    IMPLICIT NONE
    INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
    INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: start
                                           ! Starting coordinates of the bounding box.
    INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: END
                                           !Ending coordinates of the bounding box,
                                           !i.e., the coordinates of the diagonally
                                           !opposite corner
    INTEGER, INTENT(OUT) :: hdferr         ! Error code
!*****
    INTERFACE
       INTEGER FUNCTION h5sget_select_bounds_c(space_id, start, END)
         USE H5GLOBAL
         !DEC$IF DEFINED(HDF5F90_WINDOWS)
         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SGET_SELECT_BOUNDS_C'::h5sget_select_bounds_c
         !DEC$ENDIF
         INTEGER(HID_T), INTENT(IN) :: space_id
         INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: start
         INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: END
       END FUNCTION h5sget_select_bounds_c
    END INTERFACE

    hdferr =   h5sget_select_bounds_c(space_id, start, END)

  END SUBROUTINE h5sget_select_bounds_f

!
!****s* H5S/h5sget_select_elem_npoints_f
!
! NAME
!  h5sget_select_elem_npoints_f
!
! PURPOSE
!  Gets the number of element points in the current selection
!
! INPUTS
!  space_id 	 - dataspace identifier
! OUTPUTS
!  num_points 	 - number of element points in the current
!                  dataspace selection
!  hdferr        - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sget_select_elem_npoints_f(space_id, num_points, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER(HSSIZE_T), INTENT(OUT) :: num_points
                                             !number of element points
                                             !in the current dataspace
                                             !selection
            INTEGER, INTENT(OUT) :: hdferr   ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sget_select_elem_npoints_c (space_id, num_points)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
!  DEC$ ATTRIBUTES C,reference,decorate,alias:'H5SGET_SELECT_ELEM_NPOINTS_C'::h5sget_select_elem_npoints_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER(HSSIZE_T), INTENT(OUT) :: num_points
              END FUNCTION h5sget_select_elem_npoints_c
            END INTERFACE

            hdferr =  h5sget_select_elem_npoints_c (space_id, num_points)

          END SUBROUTINE h5sget_select_elem_npoints_f

!
!****s* H5S/h5sget_select_elem_pointlist_f
!
! NAME
!  h5sget_select_elem_pointlist_f
!
! PURPOSE
!  Gets the list of element points currently selected.
!
! INPUTS
!  space_id    - dataspace identifier
!  startpoint  - element point to start with
!  num_points  - number of elemnt points to get
! OUTPUTS
!  buf 	       - buffer with element points selected
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sget_select_elem_pointlist_f(space_id, startpoint, &
                                                    num_points, buf, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER(HSIZE_T), INTENT(IN) :: startpoint
                                             !Element point to start with.
            INTEGER(HSIZE_T), INTENT(IN) :: num_points
                                             !Number of element points to get
            INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: buf
                                             !List of element points selected
            INTEGER, INTENT(OUT) :: hdferr   ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sget_select_elem_pointlist_c(space_id, startpoint, &
                                                              num_points, buf )
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
!  DEC$ ATTRIBUTES C,reference,decorate,alias:'H5SGET_SELECT_ELEM_POINTLIST_C'::h5sget_select_elem_pointlist_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER(HSIZE_T), INTENT(IN) :: startpoint
              INTEGER(HSIZE_T), INTENT(IN) :: num_points
              INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: buf
              END FUNCTION h5sget_select_elem_pointlist_c
            END INTERFACE

            hdferr =  h5sget_select_elem_pointlist_c(space_id, startpoint, &
                                                       num_points, buf )

          END SUBROUTINE h5sget_select_elem_pointlist_f

!
!****s* H5S/h5sselect_elements_f
!
! NAME
!  h5sselect_elements_f
!
! PURPOSE
!  Selects elements to be included in the selection for
!  a dataspace
!
! INPUTS
!  space_id 	 - dataspace identifier
!  operator 	 - flag, valid values are:
!                   H5S_SELECT_SET_F 
!                   H5S_SELECT_APPEND_F 
!                   H5S_SELECT_PREPEND_F
!  rank 	 - number of dataspace dimensions
!  num_elements  - number of elements to be selected
!  coord 	 - 2D (rank x num_elements) array with the
!                  elements coordinates ( 1-based); in C the
!                  array is stored in 2D as (num_element x rank)
! OUTPUTS
!  hdferr        - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
! SOURCE
  SUBROUTINE h5sselect_elements_f(space_id, OPERATOR, rank, &
       num_elements, coord, hdferr)
    IMPLICIT NONE
    INTEGER(HID_T),   INTENT(IN)                                :: space_id
    INTEGER,          INTENT(IN)                                :: OPERATOR
    INTEGER,          INTENT(IN)                                :: rank
    INTEGER(SIZE_T),  INTENT(IN)                                :: num_elements
    INTEGER(HSIZE_T), INTENT(IN) , DIMENSION(rank,num_elements) :: coord
    INTEGER,          INTENT(OUT)                               :: hdferr 
!*****
    INTEGER(HSIZE_T), ALLOCATABLE, DIMENSION(:,:) :: c_coord
    INTEGER :: error, i

    INTERFACE
       INTEGER FUNCTION h5sselect_elements_c(space_id, OPERATOR,&
            num_elements,c_c_coord)
         USE H5GLOBAL
         !DEC$IF DEFINED(HDF5F90_WINDOWS)
         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SSELECT_ELEMENTS_C'::h5sselect_elements_c
         !DEC$ENDIF
         INTEGER(HID_T), INTENT(IN) :: space_id
         INTEGER, INTENT(IN) :: OPERATOR
         INTEGER(SIZE_T), INTENT(IN) :: num_elements
         INTEGER(HSIZE_T),DIMENSION(*) :: c_c_coord
       END FUNCTION h5sselect_elements_c
    END INTERFACE

    ALLOCATE(c_coord(rank,num_elements), STAT = error)
    IF (error.NE. 0) THEN
       hdferr = -1
       RETURN
    ENDIF
    DO i = 1, rank
       c_coord(i,:) = coord(rank-i+1, :) - 1
    ENDDO
    hdferr = h5sselect_elements_c(space_id, OPERATOR, num_elements, c_coord)

!  ALLOCATE(c_coord(num_elements,rank), stat = error)
!  IF (error.NE. 0) THEN
!  hdferr = -1
!  RETURN
!  ENDIF
!
!  c_coord = TRANSPOSE(coord)
!  hdferr = h5sselect_elements_c(space_id, OPERATOR, INT(rank,size_t), c_coord)


    DEALLOCATE(c_coord)

  END SUBROUTINE h5sselect_elements_f

!
!****s* H5S/h5sselect_all_f
!
! NAME
!  h5sselect_all_f
!
! PURPOSE
!  Selects the entire dataspace.
!
! INPUTS
!  space_id    - Identifier for the dataspace in which
!                selection being made
! OUTPUTS
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sselect_all_f(space_id, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id  ! Dataspace identifier
            INTEGER, INTENT(OUT) :: hdferr          ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sselect_all_c(space_id)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SSELECT_ALL_C'::h5sselect_all_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              END FUNCTION h5sselect_all_c
            END INTERFACE

            hdferr = h5sselect_all_c(space_id)

          END SUBROUTINE h5sselect_all_f

!
!****s* H5S/h5sselect_none_f
!
! NAME
!  h5sselect_none_f
!
! PURPOSE
!  Resets the selection region to include no elements.
!
! INPUTS
!  space_id    - the identifier for the dataspace in which
!                the selection is being reset.
! OUTPUTS
!  hdferr      - Returns 0 if successful and -1 if fails
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sselect_none_f(space_id, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id  ! Dataspace identifier
            INTEGER, INTENT(OUT) :: hdferr          ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sselect_none_c(space_id)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SSELECT_NONE_C'::h5sselect_none_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              END FUNCTION h5sselect_none_c
            END INTERFACE

            hdferr = h5sselect_none_c(space_id)

          END SUBROUTINE h5sselect_none_f

!
!****s* H5S/h5sselect_valid_f
!
! NAME
!  h5sselect_valid_f
!
! PURPOSE
!  Verifies that the selection is within the extent of
!  the dataspace.
!
! INPUTS
!  space_id 	 - identifier for the dataspace for which
!  selection is verified
! OUTPUTS
!  hdferr      - Returns 0 if successful and -1 if fails
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sselect_valid_f(space_id, status, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id  ! Dataspace identifier
            LOGICAL, INTENT(OUT) :: status          ! TRUE if the selection is
                                                    ! contained within the extent,
                                                    ! FALSE otherwise.
            INTEGER, INTENT(OUT) :: hdferr          ! Error code
!*****
            INTEGER :: flag ! "TRUE/FALSE/ERROR" flag from C routine

            INTERFACE
              INTEGER FUNCTION h5sselect_valid_c(space_id, flag)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SSELECT_VALID_C'::h5sselect_valid_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER :: flag
              END FUNCTION h5sselect_valid_c
            END INTERFACE

            hdferr = h5sselect_valid_c(space_id, flag)
            status = .TRUE.
            if (flag .EQ. 0) status = .FALSE.

          END SUBROUTINE h5sselect_valid_f

!
!****s* H5S/h5sget_simple_extent_npoints_f
!
! NAME
!  h5sget_simple_extent_npoints_f
!
! PURPOSE
!  Determines the number of elements in a dataspace.
!
! INPUTS
!  space_id 	 - dataspace identifier
! OUTPUTS
!  npoints 	 - number of elements in the dataspace
!  hdferr      - Returns 0 if successful and -1 if fails
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sget_simple_extent_npoints_f(space_id, npoints, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id     ! Dataspace identifier
            INTEGER(HSIZE_T), INTENT(OUT) :: npoints  ! Number of elements in
                                                       ! dataspace
            INTEGER, INTENT(OUT) :: hdferr             ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sget_simple_extent_npoints_c( space_id, npoints)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SGET_SIMPLE_EXTENT_NPOINTS_C'::h5sget_simple_extent_npoints_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER(HSIZE_T), INTENT(OUT) :: npoints
              END FUNCTION h5sget_simple_extent_npoints_c
            END INTERFACE

            hdferr = h5sget_simple_extent_npoints_c( space_id, npoints)

          END SUBROUTINE h5sget_simple_extent_npoints_f

!
!****s* H5S/h5sget_select_npoints_f
!
! NAME
!  h5sget_select_npoints_f
!
! PURPOSE
!  Determines the number of elements in a dataspace selection.
!
! INPUTS
!  space_id 	 - dataspace identifier
! OUTPUTS
!  npoints 	 - number of points in the dataspace selection
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
! SOURCE
          SUBROUTINE h5sget_select_npoints_f(space_id, npoints, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id     ! Dataspace identifier
            INTEGER(HSSIZE_T), INTENT(OUT) :: npoints  ! Number of elements in the
                                                       ! selection
            INTEGER, INTENT(OUT) :: hdferr             ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sget_select_npoints_c(space_id, npoints)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SGET_SELECT_NPOINTS_C'::h5sget_select_npoints_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER(HSSIZE_T), INTENT(OUT) :: npoints
              END FUNCTION h5sget_select_npoints_c
            END INTERFACE

            hdferr = h5sget_select_npoints_c(space_id, npoints)

          END SUBROUTINE h5sget_select_npoints_f

!
!****s* H5S/h5sget_simple_extent_ndims_f
!
! NAME
!  h5sget_simple_extent_ndims_f
!
! PURPOSE
!  Determines the dimensionality of a dataspace
!
! INPUTS
!  space_id 	 - dataspace identifier
! OUTPUTS
!  rank 	 - number of dataspace dimensions
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sget_simple_extent_ndims_f(space_id, rank, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id     ! Dataspace identifier
            INTEGER, INTENT(OUT) :: rank               ! Number of dimensions
            INTEGER, INTENT(OUT) :: hdferr             ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sget_simple_extent_ndims_c(space_id, rank)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SGET_SIMPLE_EXTENT_NDIMS_C'::h5sget_simple_extent_ndims_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER, INTENT(OUT) :: rank
              END FUNCTION h5sget_simple_extent_ndims_c
            END INTERFACE

            hdferr = h5sget_simple_extent_ndims_c(space_id, rank)

          END SUBROUTINE h5sget_simple_extent_ndims_f
!
!****s* H5S/h5sget_simple_extent_dims_f
!
! NAME
!  h5sget_simple_extent_dims_f
!
! PURPOSE
!  Retrieves dataspace dimension size and maximum size.
!
! INPUTS
!  space_id 	 - dataspace identifier
! OUTPUTS
!  dims 	 - array to store size of each dimension
!  maxdims 	 - array to store maximum size of each
!  dimension
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sget_simple_extent_dims_f(space_id, dims, maxdims, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: dims
                                                   ! Array to store dimension sizes
            INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: maxdims
                                                   ! Array to store max dimension
                                                   ! sizes
            INTEGER, INTENT(OUT) :: hdferr         ! Error code: -1 on failure,
                                                   ! number of dimensions on
                                                   ! on success
!*****
            INTERFACE
              INTEGER FUNCTION h5sget_simple_extent_dims_c(space_id, dims, maxdims)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SGET_SIMPLE_EXTENT_DIMS_C'::h5sget_simple_extent_dims_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: dims
              INTEGER(HSIZE_T), DIMENSION(*), INTENT(OUT) :: maxdims
              END FUNCTION h5sget_simple_extent_dims_c
            END INTERFACE

            hdferr = h5sget_simple_extent_dims_c(space_id, dims, maxdims)

          END SUBROUTINE h5sget_simple_extent_dims_f

!
!****s* H5S/h5sget_simple_extent_type_f
!
! NAME
!  h5sget_simple_extent_type_f
!
! PURPOSE
!  Determine the current class of a dataspace
!
! INPUTS
!  space_id 	 - dataspace identifier
! OUTPUTS
!  classtype 	 - class type, possible values are:
!  H5S_NO_CLASS_F (-1)
!  H5S_SCALAR_F (0)
!  H5S_SIMPLE_F (1)
!  H5S_NULL_F   (2)
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sget_simple_extent_type_f(space_id, classtype, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER, INTENT(OUT) :: classtype      ! Class type , possible values
                                                   ! are:
                                                   !  H5S_NO_CLASS_F (-1)
                                                   !  H5S_SCALAR_F (0)
                                                   !  H5S_SIMPLE_F (1)
                                                   !  H5S_NULL_F   (2)
            INTEGER, INTENT(OUT) :: hdferr         ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sget_simple_extent_type_c(space_id, classtype)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SGET_SIMPLE_EXTENT_TYPE_C'::h5sget_simple_extent_type_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER, INTENT(OUT) :: classtype
              END FUNCTION h5sget_simple_extent_type_c
            END INTERFACE

            hdferr = h5sget_simple_extent_type_c(space_id, classtype)

          END SUBROUTINE h5sget_simple_extent_type_f
!
!****s* H5S/h5sset_extent_simple_f
!
! NAME
!  h5sset_extent_simple_f
!
! PURPOSE
!  Sets or resets the size of an existing dataspace.
!
! INPUTS
!  space_id 	 - dataspace identifier
!  rank 	 - dataspace number of dimensions
!  current_size 	 - array with the new sizes of dimensions
!  maximum_size 	 - array with the new maximum sizes of
!  dimensions
! OUTPUTS
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sset_extent_simple_f(space_id, rank, current_size, &
                                            maximum_size, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER, INTENT(IN) :: rank            ! Dataspace rank
            INTEGER(HSIZE_T), DIMENSION(rank), INTENT(IN) :: current_size
                                                   ! Array with the new sizes
                                                   ! of dimensions
            INTEGER(HSIZE_T), DIMENSION(rank), INTENT(IN) :: maximum_size
                                                   ! Array with the new maximum
                                                   ! sizes of dimensions
                                                   ! sizes
            INTEGER, INTENT(OUT) :: hdferr         ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sset_extent_simple_c(space_id, rank, &
                               current_size,  maximum_size)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SSET_EXTENT_SIMPLE_C'::h5sset_extent_simple_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER, INTENT(IN) :: rank
              INTEGER(HSIZE_T), DIMENSION(rank), INTENT(IN) :: current_size
              INTEGER(HSIZE_T), DIMENSION(rank), INTENT(IN) :: maximum_size
              END FUNCTION h5sset_extent_simple_c
            END INTERFACE

            hdferr = h5sset_extent_simple_c(space_id, rank, current_size, &
                                            maximum_size)

          END SUBROUTINE h5sset_extent_simple_f
!
!****s* H5S/h5sis_simple_f
!
! NAME
!  h5sis_simple_f
!
! PURPOSE
!  Determines whether a dataspace is a simple dataspace.
!
! INPUTS
!  space_id 	 - dataspace identifier
! OUTPUTS
!  status 	 - flag to indicate if dataspace
!  is simple or not
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sis_simple_f(space_id, status, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id  ! Dataspace identifier
            LOGICAL, INTENT(OUT) :: status      ! Flag, idicates if dataspace
                                                ! is simple or not ( TRUE or
                                                ! FALSE)
            INTEGER, INTENT(OUT) :: hdferr      ! Error code
!*****
            INTEGER :: flag                     ! "TRUE/FALSE/ERROR from C"

            INTERFACE
              INTEGER FUNCTION h5sis_simple_c(space_id, flag)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SIS_SIMPLE_C'::h5sis_simple_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER :: flag
              END FUNCTION h5sis_simple_c
            END INTERFACE

            hdferr = h5sis_simple_c(space_id, flag)
            status = .TRUE.
            if (flag .EQ. 0) status = .FALSE.

          END SUBROUTINE h5sis_simple_f

!
!****s* H5S/h5soffset_simple_f
!
! NAME
!  h5soffset_simple_f
!
! PURPOSE
!  Sets the offset of a simple dataspace.
!
! INPUTS
!  space_id 	 - dataspace identifier
!  offset 	 - the offset at which to position the
!  selection
! OUTPUTS
!  hdferr      - Returns 0 if successful and -1 if fails
! OPTIONAL PARAMETERS
!  NONE
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5soffset_simple_f(space_id, offset, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER(HSSIZE_T), DIMENSION(*), INTENT(IN) ::  offset
                                                   ! The offset at which to position
                                                   ! the selection
            INTEGER, INTENT(OUT) :: hdferr         ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5soffset_simple_c(space_id, offset)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SOFFSET_SIMPLE_C'::h5soffset_simple_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER(HSSIZE_T), DIMENSION(*), INTENT(IN) ::  offset
              END FUNCTION h5soffset_simple_c
            END INTERFACE

            hdferr = h5soffset_simple_c(space_id, offset)

          END SUBROUTINE h5soffset_simple_f

!
!****s* H5S/h5sextent_copy_f
!
! NAME
!  h5sextent_copy_f
!
! PURPOSE
!  Copies the extent of a dataspace.
!
! INPUTS
!  dest_space_id 	 - the identifier for the dataspace to which
!  the extent is copied
!  source_space_id 	 - the identifier for the dataspace from
!  which the extent is copied
! OUTPUTS
!  hdferr      - Returns 0 if successful and -1 if fails
! OPTIONAL PARAMETERS
!  NONE
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! NOTES
!

! SOURCE
          SUBROUTINE h5sextent_copy_f(dest_space_id, source_space_id, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: dest_space_id  ! Identifier of destination
                                                         ! dataspace
            INTEGER(HID_T), INTENT(IN) :: source_space_id ! Identifier of source
                                                          ! dataspace
            INTEGER, INTENT(OUT) :: hdferr                ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sextent_copy_c(dest_space_id, source_space_id)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SEXTENT_COPY_C'::h5sextent_copy_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: dest_space_id
              INTEGER(HID_T), INTENT(IN) :: source_space_id
              END FUNCTION h5sextent_copy_c
            END INTERFACE

            hdferr = h5sextent_copy_c(dest_space_id, source_space_id)

          END SUBROUTINE h5sextent_copy_f

!
!****s* H5S/h5sset_extent_none_f
!
! NAME
!  h5sset_extent_none_f
!
! PURPOSE
!  Removes the extent from a dataspace.
!
! INPUTS
!  space_id 	 - dataspace identifier
! OUTPUTS
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sset_extent_none_f(space_id, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id  ! Dataspace identifier
            INTEGER, INTENT(OUT) :: hdferr          ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sset_extent_none_c(space_id)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SSET_EXTENT_NONE_C'::h5sset_extent_none_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              END FUNCTION h5sset_extent_none_c
            END INTERFACE

            hdferr = h5sset_extent_none_c(space_id)

          END SUBROUTINE h5sset_extent_none_f

!
!****s* H5S/h5sselect_hyperslab_f
!
! NAME
!  h5sselect_hyperslab_f
!
! PURPOSE
!  Selects a hyperslab region to add to the current selected
!  region
!
! INPUTS
!  space_id 	 - dataspace identifier
!  operator 	 - flag, valid values are:
!  H5S_SELECT_SET_F (0)
!  H5S_SELECT_OR_F (1)
!  start 	 - array with hyperslab offsets
!  count 	 - number of blocks included in the
!  hyperslab
! OUTPUTS
!  hdferr      - Returns 0 if successful and -1 if fails
! OPTIONAL PARAMETERS
!  stride 	 - array with hyperslab strides
!  block 	 - array with hyperslab block sizes
!
! AUTHOR
!  Elena Pourmal
!  August 12, 1999
!
! HISTORY
!  Explicit Fortran interfaces were added for
!  called C functions (it is needed for Windows
!  port).  March 6, 2001
!
! SOURCE
          SUBROUTINE h5sselect_hyperslab_f(space_id, operator, start, count, &
                                           hdferr, stride, block)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
            INTEGER, INTENT(IN) :: operator     ! Flag, valid values are:
                                                ! H5S_SELECT_SET_F (0)
                                                ! H5S_SELECT_OR_F (1)
                                                !
            INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: start
                                          ! Starting coordinates of the hyperslab
            INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: count
                                          ! Number of blocks to select
                                          ! from dataspace
            INTEGER, INTENT(OUT) :: hdferr     ! Error code
            INTEGER(HSIZE_T), DIMENSION(:), OPTIONAL, INTENT(IN) :: stride
                                          ! Array of how many elements to move
                                          ! in each direction
            INTEGER(HSIZE_T), DIMENSION(:), OPTIONAL, INTENT(IN) :: block
                                          ! Sizes of element block
!*****
            INTEGER(HSIZE_T), DIMENSION(:), ALLOCATABLE :: def_block
            INTEGER(HSIZE_T), DIMENSION(:), ALLOCATABLE :: def_stride
            INTEGER :: rank
            INTEGER :: error1, error2

            INTERFACE
              INTEGER FUNCTION h5sselect_hyperslab_c(space_id, operator, &
                               start, count, stride, block)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SSELECT_HYPERSLAB_C'::h5sselect_hyperslab_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER, INTENT(IN) :: operator
              INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: start
              INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: count
              INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: stride
              INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: block
              END FUNCTION h5sselect_hyperslab_c
            END INTERFACE

            if (present(stride).and. present(block)) then
            hdferr = h5sselect_hyperslab_c(space_id, operator, start, count, &
                                           stride, block)
            return
            endif
            ! Case of optional parameters.
            !
            ! Find the rank of the dataspace to allocate memery for
            ! default stride and block arrays.
            !
            CALL h5sget_simple_extent_ndims_f(space_id, rank, hdferr)
            if( hdferr .EQ. -1) return
            !
            if (present(stride).and. .not.present(block)) then
            allocate(def_block(rank), stat=error1)
                if (error1.NE.0) then
                    hdferr = -1
                    return
                endif
            def_block = 1
            hdferr = h5sselect_hyperslab_c(space_id, operator, start, count, &
                                           stride, def_block)
            deallocate(def_block)
            return
            endif

            if (.not.present(stride).and. present(block)) then
            allocate(def_stride(rank), stat=error2)
                if (error2.NE.0) then
                    hdferr = -1
                    return
                endif
            def_stride = 1
            hdferr = h5sselect_hyperslab_c(space_id, operator, start, count, &
                                           def_stride, block)
            deallocate(def_stride)
            return
            endif
            allocate(def_block(rank), stat=error1)
            allocate(def_stride(rank), stat=error2)
                if ((error1.NE.0) .OR. (error2.NE.0)) then
                    hdferr = -1
                    return
                endif
            def_block = 1
            def_stride = 1
            hdferr = h5sselect_hyperslab_c(space_id, operator, start, count, &
                                           def_stride, def_block)
            deallocate(def_block)
            deallocate(def_stride)

          END SUBROUTINE h5sselect_hyperslab_f
!  !$!
!  !$!****s* H5S/h5scombine_hyperslab_f
!  !$!
!  !$! NAME
!  !$!		h5scombine_hyperslab_f
!  !$!
!  !$! PURPOSE
!  !$!	Combine a hyperslab selection with the current
!  !$!               selection for a dataspace
!  !$!
!  !$! INPUTS
!  !$!		space_id	- dataspace of selection to use
!  !$!		operator	- flag, valid values are:
!  !$!				  H5S_SELECT_NOOP_F
!  !$!				  H5S_SELECT_SET_F
!  !$!				  H5S_SELECT_OR_F
!  !$!				  H5S_SELECT_AND_F
!  !$!				  H5S_SELECT_XOR_F
!  !$!				  H5S_SELECT_NOTB_F
!  !$!				  H5S_SELECT_NOTA_F
!  !$!				  H5S_SELECT_APPEND_F
!  !$!				  H5S_SELECT_PREPEND_F
!  !$!		start		- array with hyperslab offsets
!  !$!		count		- number of blocks included in the
!  !$!				  hyperslab
!  !$! OUTPUTS
!  !$!               hyper_id        - identifier for the new hyperslab
!  !$!		hdferr:		- error code
!  !$!				 	Success:  0
!  !$!				 	Failure: -1
!  !$! OPTIONAL PARAMETERS
!  !$!		stride		- array with hyperslab strides
!  !$!		block		- array with hyperslab block sizes
!  !$!
!  !$! AUTHOR
!  !$!	Elena Pourmal
!  !$!		October 7, 2002
!  !$!
!  !$! HISTORY
!  !$!
!  !$!
!  !$! NOTES
!  !$! Commented out until 1.6 ? 10/08/2002
!  !$!
!  !$! SOURCE
!  SUBROUTINE h5scombine_hyperslab_f(space_id, operator, start, count, &
!  hyper_id,  hdferr, stride, block)
!  IMPLICIT NONE
!  INTEGER(HID_T), INTENT(IN) :: space_id ! Dataspace identifier
!  INTEGER, INTENT(IN) :: operator     ! Flag, valid values are:
						!  H5S_SELECT_NOOP_F
						!  H5S_SELECT_SET_F
						!  H5S_SELECT_OR_F
						!  H5S_SELECT_AND_F
						!  H5S_SELECT_XOR_F
						!  H5S_SELECT_NOTB_F
						!  H5S_SELECT_NOTA_F
						!  H5S_SELECT_APPEND_F
						!  H5S_SELECT_PREPEND_F
                                                !
!  INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: start
                                          ! Starting coordinates of the hyperslab
!  INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: count
                                          ! Number of blocks to select
                                          ! from dataspace
!  INTEGER(HID_T), INTENT(OUT) :: hyper_id ! New hyperslab identifier
!  INTEGER, INTENT(OUT) :: hdferr     ! Error code
!  INTEGER(HSIZE_T), DIMENSION(:), OPTIONAL, INTENT(IN) :: stride
                                          ! Array of how many elements to move
                                          ! in each direction
!  INTEGER(HSIZE_T), DIMENSION(:), OPTIONAL, INTENT(IN) :: block
                                          ! Sizes of element block
!  INTEGER(HSIZE_T), DIMENSION(:), ALLOCATABLE :: def_block
!  INTEGER(HSIZE_T), DIMENSION(:), ALLOCATABLE :: def_stride
!  INTEGER :: rank
!  INTEGER :: error1, error2

!  INTERFACE
!  INTEGER FUNCTION h5scombine_hyperslab_c(space_id, operator, &
!  start, count, stride, block, hyper_id)
!  USE H5GLOBAL
!  !DEC$IF DEFINED(HDF5F90_WINDOWS)
!  !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SCOMBINE_HYPERSLAB_C'::h5scombine_hyperslab_c
!  !DEC$ENDIF
!  INTEGER(HID_T), INTENT(IN) :: space_id
!  INTEGER, INTENT(IN) :: operator
!  INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: start
!  INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: count
!  INTEGER(HSIZE_T), DIMENSION(*), OPTIONAL, INTENT(IN) :: stride
!  INTEGER(HSIZE_T), DIMENSION(*), OPTIONAL, INTENT(IN) :: block
!  INTEGER(HID_T), INTENT(OUT) :: hyper_id
!  END FUNCTION h5scombine_hyperslab_c
!  END INTERFACE

!  if (present(stride).and. present(block)) then
!  hdferr = h5scombine_hyperslab_c(space_id, operator, start, count, &
!  stride, block, hyper_id)
!  return
!  endif
            ! Case of optional parameters.
            !
            ! Find the rank of the dataspace to allocate memery for
            ! default stride and block arrays.
            !
!  CALL h5sget_simple_extent_ndims_f(space_id, rank, hdferr)
!  if( hdferr .EQ. -1) return
            !
!  if (present(stride).and. .not.present(block)) then
!  allocate(def_block(rank), stat=error1)
!  if (error1.NE.0) then
!  hdferr = -1
!  return
!  endif
!  def_block = 1
!  hdferr = h5scombine_hyperslab_c(space_id, operator, start, count, &
!  stride, def_block, hyper_id)
!  deallocate(def_block)
!  return
!  endif

!  if (.not.present(stride).and. present(block)) then
!  allocate(def_stride(rank), stat=error2)
!  if (error2.NE.0) then
!  hdferr = -1
!  return
!  endif
!  def_stride = 1
!  hdferr = h5scombine_hyperslab_c(space_id, operator, start, count, &
!  def_stride, block, hyper_id)
!  deallocate(def_stride)
!  return
!  endif
!  allocate(def_block(rank), stat=error1)
!  allocate(def_stride(rank), stat=error2)
!  if ((error1.NE.0) .OR. (error2.NE.0)) then
!  hdferr = -1
!  return
!  endif
!  def_block = 1
!  def_stride = 1
!  hdferr = h5scombine_hyperslab_c(space_id, operator, start, count, &
!  def_stride, def_block, hyper_id)
!  deallocate(def_block)
!  deallocate(def_stride)

!  END SUBROUTINE h5scombine_hyperslab_f

!  !$!
!  !$!****s* H5S/
!  !$!
!  !$! NAME
!  !$!		h5scombine_select_f
!  !$!
!  !$! PURPOSE
!  !$!	Combine two hyperslab selections with an operation
!  !$!               and return a dataspace with resulting selection.
!  !$!
!  !$! INPUTS
!  !$!		space1_id	- dataspace of selection to use
!  !$!		operator	- flag, valid values are:
!  !$!				  H5S_SELECT_NOOP_F
!  !$!				  H5S_SELECT_SET_F
!  !$!				  H5S_SELECT_OR_F
!  !$!				  H5S_SELECT_AND_F
!  !$!				  H5S_SELECT_XOR_F
!  !$!				  H5S_SELECT_NOTB_F
!  !$!				  H5S_SELECT_NOTA_F
!  !$!				  H5S_SELECT_APPEND_F
!  !$!				  H5S_SELECT_PREPEND_F
!  !$!		space2_id	- dataspace of selection to use
!  !$! OUTPUTS
!  !$!               ds_id           - idataspace identifier with the new selection
!  !$!		hdferr:		- error code
!  !$!				 	Success:  0
!  !$!				 	Failure: -1
!  !$! OPTIONAL PARAMETERS		- NONE
!  !$!
!  !$! AUTHOR
!  !$!	Elena Pourmal
!  !$!		October 7, 2002
!  !$!
!  !$! HISTORY
!  !$!
!  !$!
!  !$! NOTES commented out until 1.6 release(?) 10/08/2002
!  !$!

!  ! SOURCE
!  !$          SUBROUTINE h5scombine_select_f(space1_id, operator, space2_id, &
!  ds_id,  hdferr)
!  IMPLICIT NONE
!  INTEGER(HID_T), INTENT(IN) :: space1_id ! First dataspace identifier
!  INTEGER(HID_T), INTENT(IN) :: space2_id ! Second dataspace identifier
!  INTEGER, INTENT(IN) :: operator     ! Flag, valid values are:
						!  H5S_SELECT_NOOP_F
						!  H5S_SELECT_SET_F
						!  H5S_SELECT_OR_F
						!  H5S_SELECT_AND_F
						!  H5S_SELECT_XOR_F
						!  H5S_SELECT_NOTB_F
						!  H5S_SELECT_NOTA_F
						!  H5S_SELECT_APPEND_F
						!  H5S_SELECT_PREPEND_F
                                                !
!  INTEGER(HID_T), INTENT(OUT) :: ds_id ! New dataspace identifier
!  INTEGER, INTENT(OUT) :: hdferr     ! Error code
!
!  INTERFACE
!  INTEGER FUNCTION h5scombine_select_c(space1_id, operator, &
!  space2_id, ds_id)
!  USE H5GLOBAL
!  !DEC$IF DEFINED(HDF5F90_WINDOWS)
!  !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SCOMBINE_SELECT_C'::h5scombine_select_c
!  !DEC$ENDIF
!  INTEGER(HID_T), INTENT(IN) :: space1_id
!  INTEGER(HID_T), INTENT(IN) :: space2_id
!  INTEGER, INTENT(IN) :: operator
!  INTEGER(HID_T), INTENT(OUT) :: ds_id
!  END FUNCTION h5scombine_select_c
!  END INTERFACE

!  hdferr = h5scombine_select_c(space1_id, operator, space2_id, &
!  ds_id)
!  return

!  END SUBROUTINE h5scombine_select_f

!  !$!
!  !$!****s* H5S/
!  !$!
!  !$! NAME
!  !$!		h5sselect_select_f
!  !$!
!  !$! PURPOSE
!  !$!	Refine a hyperslab selection with an operation
!  !$!               using second hyperslab
!  !$!
!  !$! INPUTS
!  !$!		space1_id	- dataspace of selection  to modify
!  !$!		operator	- flag, valid values are:
!  !$!				  H5S_SELECT_NOOP_F
!  !$!				  H5S_SELECT_SET_F
!  !$!				  H5S_SELECT_OR_F
!  !$!				  H5S_SELECT_AND_F
!  !$!				  H5S_SELECT_XOR_F
!  !$!				  H5S_SELECT_NOTB_F
!  !$!				  H5S_SELECT_NOTA_F
!  !$!				  H5S_SELECT_APPEND_F
!  !$!				  H5S_SELECT_PREPEND_F
!  !$!		space2_id	- dataspace of selection to use
!  !$!
!  !$! OUTPUTS
!  !$!		hdferr:		- error code
!  !$!				 	Success:  0
!  !$!				 	Failure: -1
!  !$! OPTIONAL PARAMETERS		- NONE
!  !$!
!  !$! AUTHOR
!  !$!	Elena Pourmal
!  !$!		October 7, 2002
!  !$!
!  !$! HISTORY
!  !$!
!  !$!
!  !$! NOTESCommented out until 1.6 release(?) 10/08/2002 EIP
!  !$!

!  ! SOURCE
!  SUBROUTINE h5sselect_select_f(space1_id, operator, space2_id, &
!  hdferr)
!  IMPLICIT NONE
!  INTEGER(HID_T), INTENT(INOUT) :: space1_id ! Dataspace identifier to
                                                       ! modify
!  INTEGER(HID_T), INTENT(IN) :: space2_id ! Second dataspace identifier
!  INTEGER, INTENT(IN) :: operator     ! Flag, valid values are:
						!  H5S_SELECT_NOOP_F
						!  H5S_SELECT_SET_F
						!  H5S_SELECT_OR_F
						!  H5S_SELECT_AND_F
						!  H5S_SELECT_XOR_F
						!  H5S_SELECT_NOTB_F
						!  H5S_SELECT_NOTA_F
						!  H5S_SELECT_APPEND_F
						!  H5S_SELECT_PREPEND_F
                                                !
!  INTEGER, INTENT(OUT) :: hdferr     ! Error code

!  INTERFACE
!  INTEGER FUNCTION h5sselect_select_c(space1_id, operator, &
!  space2_id)
!  USE H5GLOBAL
!  !DEC$IF DEFINED(HDF5F90_WINDOWS)
!  !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SSELECT_SELECT_C'::h5sselect_select_c
!  !DEC$ENDIF
!  INTEGER(HID_T), INTENT(INOUT) :: space1_id
!  INTEGER(HID_T), INTENT(IN) :: space2_id
!  INTEGER, INTENT(IN) :: operator
!  END FUNCTION h5sselect_select_c
!  END INTERFACE

!  hdferr = h5sselect_select_c(space1_id, operator, space2_id)
!  return

!  END SUBROUTINE h5sselect_select_f

!
!****s* H5S/h5sget_select_type_f
!
! NAME
!  h5sget_select_type_f
!
! PURPOSE
!  Retrieve the type of selection
!
! INPUTS
!  space_id 	 - dataspace iidentifier with selection
! OUTPUTS
!  type 	 - flag, valid values are:
!                    H5S_SEL_ERROR_F
!                    H5S_SEL_NONE_F
!                    H5S_SEL_POINTS_F
!                    H5S_SEL_HYPERSLABS_F
!                    H5S_SEL_ALL_F
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  Elena Pourmal
!  October 7, 2002
!
! SOURCE
          SUBROUTINE h5sget_select_type_f(space_id, type, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(INOUT) :: space_id ! Dataspace identifier to
            INTEGER, INTENT(OUT) :: type        ! Selection type
						!  H5S_SEL_ERROR_F
						!  H5S_SEL_NONE_F
						!  H5S_SEL_POINTS_F
						!  H5S_SEL_HYPERSLABS_F
						!  H5S_SEL_ALL_F
            INTEGER, INTENT(OUT) :: hdferr     ! Error code
!*****
            INTERFACE
              INTEGER FUNCTION h5sget_select_type_c(space_id, type)
              USE H5GLOBAL
              !DEC$IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SGET_SELECT_TYPE_C'::h5sget_select_type_c
              !DEC$ENDIF
              INTEGER(HID_T), INTENT(IN) :: space_id
              INTEGER, INTENT(OUT) :: type
              END FUNCTION h5sget_select_type_c
            END INTERFACE

            hdferr = h5sget_select_type_c(space_id, type)
            return

          END SUBROUTINE h5sget_select_type_f

!
!****s* H5S/H5Sdecode_f
!
! NAME
!  H5Sdecode_f
!
! PURPOSE
!  Decode a binary object description of data space and return a new object handle.
!
! INPUTS
!  buf 	 -  Buffer for the data space object to be decoded.
!  obj_id 	 - Object ID
! OUTPUTS
!  hdferr      - Returns 0 if successful and -1 if fails
!
! AUTHOR
!  M. Scot Breitenfeld
!  March 26, 2008
! SOURCE
  SUBROUTINE h5sdecode_f(buf, obj_id, hdferr)
    IMPLICIT NONE
    CHARACTER(LEN=*), INTENT(IN) :: buf ! Buffer for the data space object to be decoded.
    INTEGER(HID_T), INTENT(OUT) :: obj_id  ! Object ID
    INTEGER, INTENT(OUT) :: hdferr     ! Error code
!*****
    INTERFACE
       INTEGER FUNCTION h5sdecode_c(buf, obj_id)
         USE H5GLOBAL
         !DEC$IF DEFINED(HDF5F90_WINDOWS)
         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SDECODE_C'::h5sdecode_c
         !DEC$ENDIF
         !DEC$ATTRIBUTES reference :: buf
         CHARACTER(LEN=*), INTENT(IN) :: buf
         INTEGER(HID_T), INTENT(OUT) :: obj_id  ! Object ID
       END FUNCTION h5sdecode_c
    END INTERFACE

    hdferr = h5sdecode_c(buf, obj_id)

  END SUBROUTINE h5sdecode_f

!
!****s* H5S/H5Sencode_f
!
! NAME
!  H5Sencode_f
!
! PURPOSE
!  Encode a data space object description into a binary buffer.
!
! INPUTS
!  obj_id 	 - Identifier of the object to be encoded.
!  buf 	 - Buffer for the object to be encoded into.
!  nalloc 	 - The size of the allocated buffer.
! OUTPUTS
!  nalloc 	 - The size of the buffer needed.
!  hdferr      - Returns 0 if successful and -1 if fails.
!
! AUTHOR
!  M. Scot Breitenfeld
!  March 26, 2008
! SOURCE
  SUBROUTINE h5sencode_f(obj_id, buf, nalloc, hdferr)
    IMPLICIT NONE
    INTEGER(HID_T), INTENT(IN) :: obj_id ! Identifier of the object to be encoded.
    CHARACTER(LEN=*), INTENT(OUT) :: buf ! Buffer for the object to be encoded into.
    INTEGER(SIZE_T), INTENT(INOUT) :: nalloc ! The size of the allocated buffer.
    INTEGER, INTENT(OUT) :: hdferr     ! Error code
!*****

    INTERFACE
       INTEGER FUNCTION h5sencode_c(buf, obj_id, nalloc)
         USE H5GLOBAL
         !DEC$IF DEFINED(HDF5F90_WINDOWS)
         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SENCODE_C'::h5sencode_c
         !DEC$ENDIF
         !DEC$ATTRIBUTES reference :: buf
         INTEGER(HID_T), INTENT(IN) :: obj_id
         CHARACTER(LEN=*), INTENT(OUT) :: buf
         INTEGER(SIZE_T), INTENT(INOUT) :: nalloc
       END FUNCTION h5sencode_c
    END INTERFACE

    hdferr = h5sencode_c(buf, obj_id, nalloc)

  END SUBROUTINE h5sencode_f

!****s* H5S/h5sextent_equal_f
!
! NAME
!  h5sextent_equal_f
!
! PURPOSE
!  Determines whether two dataspace extents are equal.
!
! INPUTS
!  space1_id 	 - First dataspace identifier.
!  space2_id 	 - Second dataspace identifier.
! OUTPUTS
!  Equal 	 - .TRUE. if equal, .FALSE. if unequal.
!  hdferr      - Returns 0 if successful and -1 if fails
! AUTHOR
!  M. Scot Breitenfeld
!  April 2, 2008
!
! SOURCE
  SUBROUTINE h5sextent_equal_f(space1_id, space2_id, equal, hdferr)
    IMPLICIT NONE
    INTEGER(HID_T), INTENT(IN) :: space1_id ! First dataspace identifier.
    INTEGER(HID_T), INTENT(IN) :: space2_id ! Second dataspace identifier.
    LOGICAL, INTENT(OUT) :: Equal ! .TRUE. if equal, .FALSE. if unequal.
    INTEGER, INTENT(OUT) :: hdferr                ! Error code
!*****
    INTEGER(HID_T) :: c_equal

    INTERFACE
       INTEGER FUNCTION h5sextent_equal_c(space1_id, space2_id, c_equal)
         USE H5GLOBAL
         !DEC$IF DEFINED(HDF5F90_WINDOWS)
         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5SEXTENT_EQUAL_C'::h5sextent_equal_c
         !DEC$ENDIF
         INTEGER(HID_T), INTENT(IN) :: space1_id
         INTEGER(HID_T), INTENT(IN) :: space2_id
         INTEGER(HID_T) :: c_equal
       END FUNCTION h5sextent_equal_c
    END INTERFACE

    hdferr = h5sextent_equal_c(space1_id, space2_id, c_equal)


    equal = .FALSE.
    IF(c_equal.GT.0) equal = .TRUE.


  END SUBROUTINE h5sextent_equal_f

END MODULE H5S