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+!
+!
+! Testing Reference Interface functionality.
+!
+! MODULE H5RTEST
+
+! USE HDF5 ! This module contains all necessary modules
+
+! CONTAINS
+!
+!The following subroutine tests h5rcreate_f, h5rdereference_f
+!and H5Rget_object_type functions
+!
+ SUBROUTINE refobjtest(total_error)
+ USE HDF5 ! This module contains all necessary modules
+ IMPLICIT NONE
+ INTEGER, INTENT(OUT) :: total_error
+
+ CHARACTER(LEN=12), PARAMETER :: filename = "reference.h5"
+ CHARACTER(LEN=8), PARAMETER :: dsetnamei = "INTEGERS"
+ CHARACTER(LEN=17), PARAMETER :: dsetnamer = "OBJECT_REFERENCES"
+ CHARACTER(LEN=6), PARAMETER :: groupname1 = "GROUP1"
+ CHARACTER(LEN=6), PARAMETER :: groupname2 = "GROUP2"
+
+ INTEGER(HID_T) :: file_id ! File identifier
+ INTEGER(HID_T) :: grp1_id ! Group identifier
+ INTEGER(HID_T) :: grp2_id ! Group identifier
+ INTEGER(HID_T) :: dset1_id ! Dataset identifier
+ INTEGER(HID_T) :: dsetr_id ! Dataset identifier
+ INTEGER(HID_T) :: type_id ! Type identifier
+ INTEGER(HID_T) :: space_id ! Dataspace identifier
+ INTEGER(HID_T) :: spacer_id ! Dataspace identifier
+ INTEGER :: error, obj_type
+ INTEGER(HSIZE_T), DIMENSION(1) :: dims = (/5/)
+ INTEGER(HSIZE_T), DIMENSION(1) :: dimsr= (/4/)
+ INTEGER(HSIZE_T), DIMENSION(1) :: my_maxdims = (/5/)
+ INTEGER :: rank = 1
+ INTEGER :: rankr = 1
+ TYPE(hobj_ref_t_f), DIMENSION(4) :: ref
+ TYPE(hobj_ref_t_f), DIMENSION(4) :: ref_out
+ INTEGER, DIMENSION(5) :: data = (/1, 2, 3, 4, 5/)
+
+ !
+ ! Initialize FORTRAN predefined datatypes
+ !
+! CALL h5init_types_f(error)
+! CALL check("h5init_types_f",error,total_error)
+
+ !
+ !Create a new file with Default file access and
+ !file creation properties .
+ !
+ CALL h5fcreate_f(filename, H5F_ACC_TRUNC_F, file_id, error)
+ CALL check("h5fcreate_f",error,total_error)
+
+
+ !
+ ! Create a group inside the file
+ !
+ CALL h5gcreate_f(file_id, groupname1, grp1_id, error)
+ CALL check("h5gcreate_f",error,total_error)
+
+ !
+ ! Create a group inside the group GROUP1
+ !
+ CALL h5gcreate_f(grp1_id, groupname2, grp2_id, error)
+ CALL check("h5gcreate_f",error,total_error)
+
+ !
+ ! Create dataspaces for datasets
+ !
+ CALL h5screate_simple_f(rank, dims, space_id, error, maxdims=my_maxdims)
+ CALL check("h5screate_simple_f",error,total_error)
+ CALL h5screate_simple_f(rankr, dimsr, spacer_id, error)
+ CALL check("h5screate_simple_f",error,total_error)
+
+ !
+ ! Create integer dataset
+ !
+ CALL h5dcreate_f(file_id, dsetnamei, H5T_NATIVE_INTEGER, space_id, &
+ dset1_id, error)
+ CALL check("h5dcreate_f",error,total_error)
+ !
+ ! Create dataset to store references to the objects
+ !
+ CALL h5dcreate_f(file_id, dsetnamer, H5T_STD_REF_OBJ, spacer_id, &
+ dsetr_id, error)
+ CALL check("h5dcreate_f",error,total_error)
+ !
+ ! Create a datatype and store in the file
+ !
+ CALL h5tcopy_f(H5T_NATIVE_REAL, type_id, error)
+ CALL check("h5tcopy_f",error,total_error)
+ CALL h5tcommit_f(file_id, "MyType", type_id, error)
+ CALL check("h5tcommit_f",error,total_error)
+
+ !
+ ! Close dataspaces, groups and integer dataset
+ !
+ CALL h5sclose_f(space_id, error)
+ CALL check("h5sclose_f",error,total_error)
+ CALL h5sclose_f(spacer_id, error)
+ CALL check("h5sclose_f",error,total_error)
+ CALL h5dclose_f(dset1_id, error)
+ CALL check("h5dclose_f",error,total_error)
+ CALL h5tclose_f(type_id, error)
+ CALL check("h5tclose_f",error,total_error)
+ CALL h5gclose_f(grp1_id, error)
+ CALL check("h5gclose_f",error,total_error)
+ CALL h5gclose_f(grp2_id, error)
+ CALL check("h5gclose_f",error,total_error)
+
+
+ !
+ ! Craete references to two groups, integer dataset and shared datatype
+ ! and write it to the dataset in the file
+ !
+ CALL h5rcreate_f(file_id, groupname1, ref(1), error)
+ CALL check("h5rcreate_f",error,total_error)
+ CALL h5rcreate_f(file_id, "/GROUP1/GROUP2", ref(2), error)
+ CALL check("h5rcreate_f",error,total_error)
+ CALL h5rcreate_f(file_id, dsetnamei, ref(3), error)
+ CALL check("h5rcreate_f",error,total_error)
+ CALL h5rcreate_f(file_id, "MyType", ref(4), error)
+ CALL check("h5rcreate_f",error,total_error)
+
+ CALL h5dwrite_f(dsetr_id, H5T_STD_REF_OBJ, ref, error)
+ CALL check("h5dwrite_f",error,total_error)
+
+ !
+ !Close the dataset
+ !
+ CALL h5dclose_f(dsetr_id, error)
+ CALL check("h5dclose_f",error,total_error)
+
+ !
+ ! Reopen the dataset with object references
+ !
+ CALL h5dopen_f(file_id, dsetnamer,dsetr_id,error)
+ CALL check("h5dopen_f",error,total_error)
+ CALL h5dread_f(dsetr_id, H5T_STD_REF_OBJ, ref_out, error)
+ CALL check("h5dread_f",error,total_error)
+
+ !
+ !get the third reference's type and Dereference it
+ !
+ CALL h5rget_object_type_obj_f(dsetr_id, ref(3), obj_type, error)
+ CALL check("h5rget_object_type_obj_f",error,total_error)
+ if (obj_type == 2) then
+ CALL h5rdereference_f(dsetr_id, ref(3), dset1_id, error)
+ CALL check("h5rdereference_f",error,total_error)
+
+ CALL h5dwrite_f(dset1_id, H5T_NATIVE_INTEGER, data, error)
+ CALL check("h5dwrite_f",error,total_error)
+ end if
+
+ !
+ !get the fourth reference's type and Dereference it
+ !
+ CALL h5rget_object_type_obj_f(dsetr_id, ref(4), obj_type, error)
+ CALL check("h5rget_object_type_obj_f",error,total_error)
+ if (obj_type == 3) then
+ CALL h5rdereference_f(dsetr_id, ref(4), type_id, error)
+ CALL check("h5rdereference_f",error,total_error)
+ end if
+
+ !
+ ! Close all objects.
+ !
+ CALL h5dclose_f(dset1_id, error)
+ CALL check("h5dclose_f",error,total_error)
+ CALL h5tclose_f(type_id, error)
+ CALL check("h5tclose_f",error,total_error)
+
+ CALL h5dclose_f(dsetr_id, error)
+ CALL check("h5dclose_f",error,total_error)
+ CALL h5fclose_f(file_id, error)
+ CALL check("h5fclose_f",error,total_error)
+ !
+ ! Close FORTRAN predefined datatypes.
+ !
+! CALL h5close_types_f(error)
+! CALL check("h5close_types_f",error,total_error)
+ RETURN
+
+ END SUBROUTINE refobjtest
+!
+!The following subroutine tests h5rget_region_f, h5rcreate_f
+!and h5rdereference_f functionalities
+!
+ SUBROUTINE refregtest(total_error)
+ USE HDF5 ! This module contains all necessary modules
+ IMPLICIT NONE
+ INTEGER, INTENT(OUT) :: total_error
+
+ CHARACTER(LEN=9), PARAMETER :: filename = "Refreg.h5"
+ CHARACTER(LEN=6), PARAMETER :: dsetnamev = "MATRIX"
+ CHARACTER(LEN=17), PARAMETER :: dsetnamer = "REGION_REFERENCES"
+
+ INTEGER(HID_T) :: file_id ! File identifier
+ INTEGER(HID_T) :: space_id ! Dataspace identifier
+ INTEGER(HID_T) :: spacer_id ! Dataspace identifier
+ INTEGER(HID_T) :: dsetv_id ! Dataset identifier
+ INTEGER(HID_T) :: dsetr_id ! Dataset identifier
+ INTEGER :: error
+ TYPE(hdset_reg_ref_t_f) , DIMENSION(2) :: ref ! Buffers to store references
+ TYPE(hdset_reg_ref_t_f) , DIMENSION(2) :: ref_out !
+ INTEGER(HSIZE_T), DIMENSION(2) :: dims = (/2,9/) ! Datasets dimensions
+ INTEGER(HSIZE_T), DIMENSION(1) :: dimsr = (/2/) !
+ INTEGER(HSSIZE_T), DIMENSION(2) :: start
+ INTEGER(HSIZE_T), DIMENSION(2) :: count
+ INTEGER :: rankr = 1
+ INTEGER :: rank = 2
+ INTEGER , DIMENSION(2,9) :: data
+ INTEGER , DIMENSION(2,9) :: data_out = 0
+ INTEGER(HSSIZE_T) , DIMENSION(2,3) :: coord
+ INTEGER(SIZE_T) ::num_points = 3 ! Number of selected points
+ INTEGER :: i, j
+ coord = reshape((/1,1,2,7,1,9/), (/2,3/)) ! Coordinates of selected points
+ data = reshape ((/1,1,1,2,2,2,3,3,3,4,4,4,5,5,5,6,6,6/), (/2,9/))
+
+ !
+ ! Initialize FORTRAN predefined datatypes.
+ !
+! CALL h5init_types_f(error)
+! CALL check("h5init_types_f", error, total_error)
+ !
+ ! Create a new file.
+ !
+ CALL h5fcreate_f(filename, H5F_ACC_TRUNC_F, file_id, error)
+ ! Default file access and file creation
+ ! properties are used.
+ CALL check("h5fcreate_f", error, total_error)
+ !
+ ! Create dataspaces:
+ !
+ ! for dataset with references to dataset regions
+ !
+ CALL h5screate_simple_f(rankr, dimsr, spacer_id, error)
+ CALL check("h5screate_simple_f", error, total_error)
+ !
+ ! for integer dataset
+ !
+ CALL h5screate_simple_f(rank, dims, space_id, error)
+ CALL check("h5screate_simple_f", error, total_error)
+ !
+ ! Create and write datasets:
+ !
+ ! Integer dataset
+ !
+ CALL h5dcreate_f(file_id, dsetnamev, H5T_NATIVE_INTEGER, space_id, &
+ dsetv_id, error)
+ CALL check("h5dcreate_f", error, total_error)
+ CALL h5dwrite_f(dsetv_id, H5T_NATIVE_INTEGER, data, error)
+ CALL check("h5dwrite_f", error, total_error)
+
+ CALL h5dclose_f(dsetv_id, error)
+ CALL check("h5dclose_f", error, total_error)
+ !
+ ! Dataset with references
+ !
+ CALL h5dcreate_f(file_id, dsetnamer, H5T_STD_REF_DSETREG, spacer_id, &
+ dsetr_id, error)
+ CALL check("h5dcreate_f", error, total_error)
+ !
+ ! Create a reference to the hyperslab selection.
+ !
+ start(1) = 0
+ start(2) = 3
+ count(1) = 2
+ count(2) = 3
+ CALL h5sselect_hyperslab_f(space_id, H5S_SELECT_SET_F, &
+ start, count, error)
+ CALL check("h5sselect_hyperslab_f", error, total_error)
+ CALL h5rcreate_f(file_id, dsetnamev, space_id, ref(1), error)
+ CALL check("h5rcreate_f", error, total_error)
+ !
+ ! Create a reference to elements selection.
+ !
+ CALL h5sselect_none_f(space_id, error)
+ CALL check("h5sselect_none_f", error, total_error)
+ CALL h5sselect_elements_f(space_id, H5S_SELECT_SET_F, rank, num_points,&
+ coord, error)
+ CALL check("h5sselect_elements_f", error, total_error)
+ CALL h5rcreate_f(file_id, dsetnamev, space_id, ref(2), error)
+ CALL check("h5rcreate_f", error, total_error)
+ !
+ ! Write dataset with the references.
+ !
+ CALL h5dwrite_f(dsetr_id, H5T_STD_REF_DSETREG, ref, error)
+ CALL check("h5dwrite_f", error, total_error)
+ !
+ ! Close all objects.
+ !
+ CALL h5sclose_f(space_id, error)
+ CALL check("h5sclose_f", error, total_error)
+ CALL h5sclose_f(spacer_id, error)
+ CALL check("h5sclose_f", error, total_error)
+ CALL h5dclose_f(dsetr_id, error)
+ CALL check("h5dclose_f", error, total_error)
+ CALL h5fclose_f(file_id, error)
+ CALL check("h5fclose_f", error, total_error)
+ !
+ ! Reopen the file to test selections.
+ !
+ CALL h5fopen_f (filename, H5F_ACC_RDWR_F, file_id, error)
+ CALL check("h5fopen_f", error, total_error)
+ CALL h5dopen_f(file_id, dsetnamer, dsetr_id, error)
+ CALL check("h5dopen_f", error, total_error)
+ !
+ ! Read references to the dataset regions.
+ !
+ CALL h5dread_f(dsetr_id, H5T_STD_REF_DSETREG, ref_out, error)
+ CALL check("h5dread_f", error, total_error)
+ !
+ ! Dereference the first reference.
+ !
+ CALL H5rdereference_f(dsetr_id, ref_out(1), dsetv_id, error)
+ CALL check("h5rdereference_f", error, total_error)
+ CALL H5rget_region_f(dsetr_id, ref_out(1), space_id, error)
+ CALL check("h5rget_region_f", error, total_error)
+ !
+ ! Read selected data from the dataset.
+ !
+ CALL h5dread_f(dsetv_id, H5T_NATIVE_INTEGER, data_out, error, &
+ mem_space_id = space_id, file_space_id = space_id)
+ CALL check("h5dread_f", error, total_error)
+ CALL h5sclose_f(space_id, error)
+ CALL check("h5sclose_f", error, total_error)
+ CALL h5dclose_f(dsetv_id, error)
+ CALL check("h5dclose_f", error, total_error)
+ data_out = 0
+ !
+ ! Dereference the second reference.
+ !
+ CALL H5rdereference_f(dsetr_id, ref_out(2), dsetv_id, error)
+ CALL check("h5rdereference_f", error, total_error)
+ CALL H5rget_region_f(dsetr_id, ref_out(2), space_id, error)
+ CALL check("h5rget_region_f", error, total_error)
+ !
+ ! Read selected data from the dataset.
+ !
+ CALL h5dread_f(dsetv_id, H5T_NATIVE_INTEGER, data_out, error, &
+ mem_space_id = space_id, file_space_id = space_id)
+ CALL check("h5dread_f", error, total_error)
+ !
+ ! Close all objects
+ !
+ CALL h5sclose_f(space_id, error)
+ CALL check("h5sclose_f", error, total_error)
+ CALL h5dclose_f(dsetv_id, error)
+ CALL check("h5dclose_f", error, total_error)
+ CALL h5dclose_f(dsetr_id, error)
+ CALL check("h5dclose_f", error, total_error)
+ CALL h5fclose_f(file_id, error)
+ CALL check("h5fclose_f", error, total_error)
+ !
+ ! Close FORTRAN predefined datatypes.
+ !
+! CALL h5close_types_f(error)
+! CALL check("h5close_types_f",error,total_error)
+ RETURN
+
+ END SUBROUTINE refregtest
+
+
+! END MODULE H5RTEST