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<a name="robo_top_of_doc">HDF5 FORTRAN Developer's Guide</a>
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<a name="ROBODoc2fH5A2028F0329"></a>
<a name="robo28"></a><h2>H5A (F03)</h2>
<p>[ <a href="#robo_top_of_doc">Top</a> ] [ <a href="../robo_modules.html#robo_top_of_doc">Modules</a> ]</p>
<p class="item_name">NAME</p>
<pre> H5A_PROVISIONAL
</pre>
<p class="item_name">FILE</p>
<pre> src/fortran/src/<a href="#robo_top_of_doc">H5Aff_F03.f90</a>
</pre>
<p class="item_name">PURPOSE</p>
<pre> This file contains Fortran 90 and Fortran 2003 interfaces for <a href="./H5Aff_f90.html#robo27">H5A</a> functions.
It contains the same functions as <a href="./H5Aff_F90_f90.html#robo_top_of_doc">H5Aff_F90.f90</a> but includes the
Fortran 2003 functions and the interface listings. This file will be compiled
instead of <a href="./H5Aff_F90_f90.html#robo_top_of_doc">H5Aff_F90.f90</a> if Fortran 2003 functions are enabled.
</pre>
<p class="item_name">NOTES</p>
<pre> (A) C_LOC and character strings according to the Fortran 2003 standard:
15.1.2.5 C_LOC(X)
Argument. X shall either
(1) have interoperable type and type parameters and be
(a) a variable that has the TARGET attribute and is interoperable,
(b) an allocated allocatable variable that has the TARGET attribute
and is not an array of zero size, or
(c) an associated scalar pointer, or
(2) be a nonpolymorphic scalar, have no length type parameters, and be
(a) a nonallocatable, nonpointer variable that has the TARGET attribute,
(b) an allocated allocatable variable that has the TARGET attribute, or
(c) an associated pointer.
- When X is a character, for interoperability the standard is:
15.2.1 Interoperability of intrinsic types
...if the type is character, interoperability also requires that the length type parameter
be omitted or be specified by an initialization expression whose value is one.
THEREFORE compilers that have not extended the standard require
CHARACTER(LEN=1), TARGET :: chr
or
CHARACTER, TARGET :: chr
(B)
*** IMPORTANT ***
If you add a new <a href="./H5Aff_f90.html#robo27">H5A</a> function you must add the function name to the
Windows dll file 'hdf5_fortrandll.def' in the fortran/src directory.
This is needed for Windows based operating systems.
</pre>
<hr />
<a name="H5A2028F03292fh5aread5ff"></a>
<a name="robo108"></a><h2>h5aread_f</h2>
<p>[ <a href="#robo_top_of_doc">Top</a> ] [ <a href="#robo28">H5A (F03)</a> ] [ <a href="../robo_subroutines.html#robo_top_of_doc">Subroutines</a> ]</p>
<p class="item_name">NAME</p>
<pre> <strong>h5aread_f</strong>
</pre>
<p class="item_name">PURPOSE</p>
<pre> Reads an attribute.
</pre>
<p class="item_name">INPUTS</p>
<pre> attr_id - attribute identifier
memtype_id - attribute memory type identifier
dims - 1D array of size 7, stores sizes of the
- buf array dimensions.
</pre>
<p class="item_name">OUTPUTS</p>
<pre> buf - buffer to read attribute data in
hdferr - Returns 0 if successful and -1 if fails
</pre>
<p class="item_name">AUTHOR</p>
<pre> Elena Pourmal
August 12, 1999
</pre>
<p class="item_name">HISTORY</p>
<pre> Explicit Fortran interfaces are added for
called C functions (it is needed for Windows
port). February 27, 2001
dims parameter was added to make code portable;
Aprile 4, 2001
Changed buf intent to INOUT to be consistant
with how the C functions handles it. The pg
compiler will return 0 if a buf value is not set.
February, 2008
</pre>
<p class="item_name">NOTES</p>
<pre> This function is overloaded to write INTEGER,
REAL, DOUBLE PRECISION and CHARACTER buffers
up to 7 dimensions.
</pre>
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