64 lines
2.4 KiB
Fortran
64 lines
2.4 KiB
Fortran
!
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! Copyright (c) 2006-2015, The Regents of the University of California,
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! through Lawrence Berkeley National Laboratory (subject to receipt of any
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! required approvals from the U.S. Dept. of Energy) and the Paul Scherrer
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! Institut (Switzerland). All rights reserved.!
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!
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! License: see file COPYING in top level of source distribution.
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!
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include 'H5hut.f90'
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program write_file_attribs
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use H5hut
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implicit none
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#if defined(PARALLEL_IO)
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include 'mpif.h'
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#endif
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integer*8, parameter :: verbosity_level = 1
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character (len=*), parameter :: FNAME = "example_file_attribs.h5"
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character (len=*), parameter :: ATTR_STRING = "FileAttrString"
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character (len=*), parameter :: ATTR_I4 = "FileAttrInt32"
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character (len=*), parameter :: ATTR_I8 = "FileAttrInt64"
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character (len=*), parameter :: ATTR_R4 = "FileAttrFloat32"
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character (len=*), parameter :: ATTR_R8 = "FileAttrFloat64"
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character (len=*),parameter :: string_value = "This is a string attribute bound to the file."
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integer*4, parameter, dimension(*) :: i4_value = (/0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144/)
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integer*8, parameter, dimension(*) :: i8_value = (/42, 43, 44, 45/)
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real*4, parameter, dimension(*) :: r4_value = (/2.71828/)
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real*8, parameter, dimension(*) :: r8_value = (/3.141592653589793238462643383279502884197169/)
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integer*8 :: file_id, status
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#if defined(PARALLEL_IO)
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integer :: ierr
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call mpi_init(ierr)
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#endif
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! abort program on any H5hut error
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call h5_abort_on_error()
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call h5_set_verbosity_level (verbosity_level)
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! MPI_COMM_WORLD is used, if file is opened with default properties
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file_id = h5_openfile (FNAME, H5_O_WRONLY, H5_PROP_DEFAULT)
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! write attributes
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status = h5_writefileattrib_string (file_id, ATTR_STRING, string_value)
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status = h5_writefileattrib_i4 (file_id, ATTR_I4, i4_value, int8(size(i4_value, 1)))
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status = h5_writefileattrib_i8 (file_id, ATTR_I8, i8_value, int8(size(i8_value, 1)))
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status = h5_writefileattrib_r4 (file_id, ATTR_R4, r4_value, int8(size(r4_value, 1)))
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status = h5_writefileattrib_r8 (file_id, ATTR_R8, r8_value, int8(size(r8_value, 1)))
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! cleanup
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status = h5_closefile (file_id)
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#if defined(PARALLEL_IO)
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call mpi_finalize(ierr)
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#endif
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end program write_file_attribs
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