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https://github.com/HDFGroup/hdf5.git
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25ec07450a
and replace it with new url for COPYING file. Fix 2 lines in java error test expected output file where messages include line numbers changed by reducing the copyright header by 2 lines.
302 lines
8.3 KiB
Fortran
302 lines
8.3 KiB
Fortran
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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! Copyright by The HDF Group. *
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! Copyright by the Board of Trustees of the University of Illinois. *
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! All rights reserved. *
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! *
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! This file is part of HDF5. The full HDF5 copyright notice, including *
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! terms governing use, modification, and redistribution, is contained in *
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! the COPYING file, which can be found at the root of the source code *
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! distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
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! If you do not have access to either file, you may request a copy from *
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! help@hdfgroup.org. *
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! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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!
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!
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! This program creates two files, copy1.h5, and copy2.h5.
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! In copy1.h5, it creates a 3x4 dataset called 'Copy1',
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! and write 0's to this dataset.
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! In copy2.h5, it create a 3x4 dataset called 'Copy2',
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! and write 1's to this dataset.
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! It closes both files, reopens both files, selects two
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! points in copy1.h5 and writes values to them. Then it
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! uses an H5Scopy to write the same selection to copy2.h5.
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! Program reopens the files, and reads and prints the contents of
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! the two datasets.
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!
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PROGRAM SELECTEXAMPLE
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USE HDF5 ! This module contains all necessary modules
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IMPLICIT NONE
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CHARACTER(LEN=8), PARAMETER :: filename1 = "copy1.h5" ! File name
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CHARACTER(LEN=8), PARAMETER :: filename2 = "copy2.h5" !
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CHARACTER(LEN=5), PARAMETER :: dsetname1 = "Copy1" ! Dataset name
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CHARACTER(LEN=5), PARAMETER :: dsetname2 = "Copy2" !
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INTEGER, PARAMETER :: RANK = 2 ! Dataset rank
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INTEGER(SIZE_T), PARAMETER :: NUMP = 2 ! Number of points selected
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INTEGER(HID_T) :: file1_id ! File1 identifier
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INTEGER(HID_T) :: file2_id ! File2 identifier
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INTEGER(HID_T) :: dset1_id ! Dataset1 identifier
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INTEGER(HID_T) :: dset2_id ! Dataset2 identifier
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INTEGER(HID_T) :: dataspace1 ! Dataspace identifier
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INTEGER(HID_T) :: dataspace2 ! Dataspace identifier
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INTEGER(HID_T) :: memspace ! memspace identifier
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INTEGER(HSIZE_T), DIMENSION(1) :: dimsm = (/2/)
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! Memory dataspace dimensions
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INTEGER(HSIZE_T), DIMENSION(2) :: dimsf = (/3,4/)
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! File dataspace dimensions
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INTEGER(HSIZE_T), DIMENSION(RANK,NUMP) :: coord ! Elements coordinates
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! in the file
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INTEGER, DIMENSION(3,4) :: buf1, buf2, bufnew ! Data buffers
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INTEGER, DIMENSION(2) :: val = (/53, 59/) ! Values to write
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INTEGER :: memrank = 1 ! Rank of the dataset in memory
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INTEGER :: i, j
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INTEGER :: error ! Error flag
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INTEGER(HSIZE_T), DIMENSION(2) :: data_dims
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!
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! Create two files containing identical datasets. Write 0's to one
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! and 1's to the other.
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!
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!
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! Data initialization.
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!
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do i = 1, 3
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do j = 1, 4
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buf1(i,j) = 0;
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end do
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end do
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do i = 1, 3
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do j = 1, 4
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buf2(i,j) = 1;
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end do
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end do
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!
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! Initialize FORTRAN interface.
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!
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CALL h5open_f(error)
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!
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! Create file1, file2 using default properties.
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!
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CALL h5fcreate_f(filename1, H5F_ACC_TRUNC_F, file1_id, error)
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CALL h5fcreate_f(filename2, H5F_ACC_TRUNC_F, file2_id, error)
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!
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! Create the data space for the datasets.
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!
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CALL h5screate_simple_f(RANK, dimsf, dataspace1, error)
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CALL h5screate_simple_f(RANK, dimsf, dataspace2, error)
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!
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! Create the datasets with default properties.
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!
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CALL h5dcreate_f(file1_id, dsetname1, H5T_NATIVE_INTEGER, dataspace1, &
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dset1_id, error)
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CALL h5dcreate_f(file2_id, dsetname2, H5T_NATIVE_INTEGER, dataspace2, &
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dset2_id, error)
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!
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! Write the datasets.
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!
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data_dims(1) = 3
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data_dims(2) = 4
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CALL h5dwrite_f(dset1_id, H5T_NATIVE_INTEGER, buf1, data_dims, error)
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CALL h5dwrite_f(dset2_id, H5T_NATIVE_INTEGER, buf2, data_dims, error)
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!
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! Close the dataspace for the datasets.
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!
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CALL h5sclose_f(dataspace1, error)
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CALL h5sclose_f(dataspace2, error)
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!
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! Close the datasets.
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!
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CALL h5dclose_f(dset1_id, error)
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CALL h5dclose_f(dset2_id, error)
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!
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! Close the files.
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!
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CALL h5fclose_f(file1_id, error)
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CALL h5fclose_f(file2_id, error)
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!
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! Open the two files. Select two points in one file, write values to
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! those point locations, then do H5Scopy and write the values to the
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! other file. Close files.
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!
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!
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! Open the files.
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!
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CALL h5fopen_f (filename1, H5F_ACC_RDWR_F, file1_id, error)
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CALL h5fopen_f (filename2, H5F_ACC_RDWR_F, file2_id, error)
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!
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! Open the datasets.
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!
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CALL h5dopen_f(file1_id, dsetname1, dset1_id, error)
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CALL h5dopen_f(file2_id, dsetname2, dset2_id, error)
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!
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! Get dataset1's dataspace identifier.
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!
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CALL h5dget_space_f(dset1_id, dataspace1, error)
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!
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! Create memory dataspace.
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!
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CALL h5screate_simple_f(memrank, dimsm, memspace, error)
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!
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! Set the selected point positions. Because Fortran array index starts
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! from 1, so add one to the actual select points in C.
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!
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coord(1,1) = 1
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coord(2,1) = 2
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coord(1,2) = 1
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coord(2,2) = 4
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!
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! Select the elements in file space.
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!
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CALL h5sselect_elements_f(dataspace1, H5S_SELECT_SET_F, RANK, NUMP,&
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coord, error)
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!
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! Write value into the selected points in dataset1.
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!
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data_dims(1) = 2
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CALL H5dwrite_f(dset1_id, H5T_NATIVE_INTEGER, val, data_dims, error, &
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mem_space_id=memspace, file_space_id=dataspace1)
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!
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! Copy the daspace1 into dataspace2.
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!
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CALL h5scopy_f(dataspace1, dataspace2, error)
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!
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! Write value into the selected points in dataset2.
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!
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data_dims(1) = 2
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CALL H5dwrite_f(dset2_id, H5T_NATIVE_INTEGER, val, data_dims, error, &
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mem_space_id=memspace, file_space_id=dataspace2)
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!
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! Close the dataspace for the datasets.
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!
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CALL h5sclose_f(dataspace1, error)
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CALL h5sclose_f(dataspace2, error)
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!
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! Close the memoryspace.
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!
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CALL h5sclose_f(memspace, error)
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!
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! Close the datasets.
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!
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CALL h5dclose_f(dset1_id, error)
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CALL h5dclose_f(dset2_id, error)
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!
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! Close the files.
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!
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CALL h5fclose_f(file1_id, error)
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CALL h5fclose_f(file2_id, error)
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!
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! Open both files and print the contents of the datasets.
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!
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!
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! Open the files.
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!
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CALL h5fopen_f (filename1, H5F_ACC_RDWR_F, file1_id, error)
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CALL h5fopen_f (filename2, H5F_ACC_RDWR_F, file2_id, error)
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!
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! Open the datasets.
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!
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CALL h5dopen_f(file1_id, dsetname1, dset1_id, error)
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CALL h5dopen_f(file2_id, dsetname2, dset2_id, error)
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!
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! Read dataset from the first file.
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!
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data_dims(1) = 3
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data_dims(2) = 4
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CALL h5dread_f(dset1_id, H5T_NATIVE_INTEGER, bufnew, data_dims, error)
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!
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! Display the data read from dataset "Copy1"
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!
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write(*,*) "The data in dataset Copy1 is: "
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do i = 1, 3
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print *, (bufnew(i,j), j = 1,4)
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end do
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!
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! Read dataset from the second file.
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!
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CALL h5dread_f(dset2_id, H5T_NATIVE_INTEGER, bufnew, data_dims, error)
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!
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! Display the data read from dataset "Copy2"
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!
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write(*,*) "The data in dataset Copy2 is: "
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do i = 1, 3
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print *, (bufnew(i,j), j = 1,4)
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end do
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!
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! Close datasets.
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!
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CALL h5dclose_f(dset1_id, error)
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CALL h5dclose_f(dset2_id, error)
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!
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! Close files.
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!
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CALL h5fclose_f(file1_id, error)
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CALL h5fclose_f(file2_id, error)
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!
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! Close FORTRAN interface.
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!
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CALL h5close_f(error)
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END PROGRAM SELECTEXAMPLE
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