diff options
Diffstat (limited to 'fortran/src/H5Dff.F90')
| -rw-r--r-- | fortran/src/H5Dff.F90 | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/fortran/src/H5Dff.F90 b/fortran/src/H5Dff.F90 index 6073570..2353ca2 100644 --- a/fortran/src/H5Dff.F90 +++ b/fortran/src/H5Dff.F90 @@ -2283,6 +2283,8 @@ CONTAINS !! \param hdferr \fortran_error !! \param xfer_prp Identifier of a transfer property list for this I/O operation. !! +!! See C API: @ref H5Dread_multi() +!! SUBROUTINE h5dread_multi_f(count, dset_id, mem_type_id, mem_space_id, file_space_id, buf, hdferr, xfer_prp) IMPLICIT NONE @@ -2320,6 +2322,7 @@ CONTAINS hdferr = H5Dread_multi(count, dset_id, mem_type_id, mem_space_id, file_space_id, xfer_prp_default, buf) END SUBROUTINE h5dread_multi_f + !> !! \ingroup FH5D !! @@ -2334,6 +2337,8 @@ CONTAINS !! \param hdferr \fortran_error !! \param xfer_prp Identifier of a transfer property list for this I/O operation. !! +!! See C API: @ref H5Dwrite_multi() +!! SUBROUTINE h5dwrite_multi_f(count, dset_id, mem_type_id, mem_space_id, file_space_id, buf, hdferr, xfer_prp) IMPLICIT NONE @@ -2372,6 +2377,141 @@ CONTAINS END SUBROUTINE h5dwrite_multi_f +!> +!! \ingroup FH5D +!! +!! \brief Reads a raw data chunk directly from a dataset in a file into a buffer. +!! +!! \param dset_id Identifier of the dataset to read from +!! \param offset Logical position of the chunk's first element in the dataspace, \Bold{0-based indices} +!! \param filters Mask for identifying the filters in use +!! \param buf Buffer containing data to be read from the chunk +!! \param hdferr \fortran_error +!! \param dxpl_id Dataset transfer property list identifier +!! +!! See C API: @ref H5Dread_chunk() +!! + SUBROUTINE h5dread_chunk_f(dset_id, offset, filters, buf, hdferr, dxpl_id) + IMPLICIT NONE + + INTEGER(HID_T) , INTENT(IN) :: dset_id + INTEGER(HSIZE_T) , INTENT(IN), DIMENSION(:) :: offset + INTEGER(C_INT32_T), INTENT(INOUT) :: filters + TYPE(C_PTR) :: buf + INTEGER , INTENT(OUT) :: hdferr + INTEGER(HID_T) , INTENT(IN), OPTIONAL :: dxpl_id + + INTEGER(HID_T) :: dxpl_id_default + INTEGER(HSIZE_T), DIMENSION(:), ALLOCATABLE :: offset_c + INTEGER(HSIZE_T) :: i, rank + + INTERFACE + INTEGER(C_INT) FUNCTION H5Dread_chunk(dset_id, dxpl_id, offset, filters, buf) & + BIND(C, NAME='H5Dread_chunk') + IMPORT :: SIZE_T, HSIZE_T, HID_T + IMPORT :: C_PTR, C_INT32_T, C_INT + IMPLICIT NONE + INTEGER(HID_T) , VALUE :: dset_id + INTEGER(HID_T) , VALUE :: dxpl_id + INTEGER(HSIZE_T) , DIMENSION(*) :: offset + INTEGER(C_INT32_T) :: filters + TYPE(C_PTR) , VALUE :: buf + END FUNCTION H5Dread_chunk + END INTERFACE + + dxpl_id_default = H5P_DEFAULT_F + IF (PRESENT(dxpl_id)) dxpl_id_default = dxpl_id + + rank = SIZE(offset, KIND=HSIZE_T) + + ALLOCATE(offset_c(rank), STAT=hdferr) + IF (hdferr .NE. 0 ) THEN + hdferr = -1 + RETURN + ENDIF + + ! + ! Reverse dimensions due to C-FORTRAN storage order + ! + DO i = 1, rank + offset_c(i) = offset(rank - i + 1) + ENDDO + + hdferr = INT(H5Dread_chunk(dset_id, dxpl_id_default, offset_c, filters, buf)) + + DEALLOCATE(offset_c) + + END SUBROUTINE h5dread_chunk_f + +!> +!! \ingroup FH5D +!! +!! \brief Writes a raw data chunk from a buffer directly to a dataset in a file. +!! +!! \param dset_id Identifier of the dataset to write to +!! \param filters Mask for identifying the filters in use +!! \param offset Logical position of the chunk's first element in the dataspace, \Bold{0-based indices} +!! \param data_size Size of the actual data to be written in bytes +!! \param buf Buffer containing data to be written to the chunk +!! \param hdferr \fortran_error +!! \param dxpl_id Dataset transfer property list identifier +!! +!! See C API: @ref H5Dwrite_chunk() +!! + SUBROUTINE h5dwrite_chunk_f(dset_id, filters, offset, data_size, buf, hdferr, dxpl_id) + IMPLICIT NONE + + INTEGER(HID_T) , INTENT(IN) :: dset_id + INTEGER(C_INT32_T), INTENT(IN) :: filters + INTEGER(HSIZE_T) , INTENT(IN), DIMENSION(:) :: offset + INTEGER(SIZE_T) , INTENT(IN) :: data_size + TYPE(C_PTR) :: buf + INTEGER , INTENT(OUT) :: hdferr + INTEGER(HID_T) , INTENT(IN), OPTIONAL :: dxpl_id + + INTEGER(HID_T) :: dxpl_id_default + INTEGER(HSIZE_T), DIMENSION(:), ALLOCATABLE :: offset_c + INTEGER(HSIZE_T) :: i, rank + + INTERFACE + INTEGER(C_INT) FUNCTION H5Dwrite_chunk(dset_id, dxpl_id, filters, offset, data_size, buf) & + BIND(C, NAME='H5Dwrite_chunk') + IMPORT :: SIZE_T, HSIZE_T, HID_T + IMPORT :: C_PTR, C_INT32_T, C_INT + IMPLICIT NONE + INTEGER(HID_T) , VALUE :: dset_id + INTEGER(HID_T) , VALUE :: dxpl_id + INTEGER(C_INT32_T), VALUE :: filters + INTEGER(HSIZE_T), DIMENSION(*) :: offset + INTEGER(SIZE_T) , VALUE :: data_size + TYPE(C_PTR) , VALUE :: buf + END FUNCTION H5Dwrite_chunk + END INTERFACE + + dxpl_id_default = H5P_DEFAULT_F + IF (PRESENT(dxpl_id)) dxpl_id_default = dxpl_id + + rank = SIZE(offset, KIND=HSIZE_T) + + ALLOCATE(offset_c(rank), STAT=hdferr) + IF (hdferr .NE. 0 ) THEN + hdferr = -1 + RETURN + ENDIF + + ! + ! Reverse dimensions due to C-FORTRAN storage order + ! + DO i = 1, rank + offset_c(i) = offset(rank - i + 1) + ENDDO + + hdferr = INT(H5Dwrite_chunk(dset_id, dxpl_id_default, filters, offset_c, data_size, buf)) + + DEALLOCATE(offset_c) + + END SUBROUTINE h5dwrite_chunk_f + END MODULE H5D |