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| author | Frank Baker <fbaker@hdfgroup.org> | 1999-12-13 20:39:48 (GMT) |
|---|---|---|
| committer | Frank Baker <fbaker@hdfgroup.org> | 1999-12-13 20:39:48 (GMT) |
| commit | 658fdbfb981b60eb42a6be70b5e2baf9f01989cd (patch) | |
| tree | 5da339df5c8e5186fb760c16fcee5bbc0fbbffe3 /doc/html/RM_H5T.html | |
| parent | ca73fde3ba444896894a56dda3dc9f79d06a7bcd (diff) | |
| download | hdf5-658fdbfb981b60eb42a6be70b5e2baf9f01989cd.zip hdf5-658fdbfb981b60eb42a6be70b5e2baf9f01989cd.tar.gz hdf5-658fdbfb981b60eb42a6be70b5e2baf9f01989cd.tar.bz2 | |
[svn-r1874] Bringing all changes from R1.2 tree into R1.3 tree.
(except Datatypes.html, H5.format.html, ddl.html)
This version of HDF5 Ref Manual includes FORTRAN API references.
Diffstat (limited to 'doc/html/RM_H5T.html')
| -rw-r--r-- | doc/html/RM_H5T.html | 1058 |
1 files changed, 955 insertions, 103 deletions
diff --git a/doc/html/RM_H5T.html b/doc/html/RM_H5T.html index 19c65ac..1ae41cd 100644 --- a/doc/html/RM_H5T.html +++ b/doc/html/RM_H5T.html @@ -51,6 +51,10 @@ H5T These functions create and manipulate the datatype which describes elements of a dataset. + +<p> +<strong>The C Interfaces:</strong> + <table border=0> <tr><td valign=top> <i>General Datatype Operations</i> @@ -63,10 +67,19 @@ of a dataset. <li><a href="#Datatype-Lock">H5Tlock</a> <li><a href="#Datatype-GetClass">H5Tget_class</a> <li><a href="#Datatype-GetSize">H5Tget_size</a> + <li><a href="#Datatype-GetSuper">H5Tget_super</a> <li><a href="#Datatype-Close">H5Tclose</a> <p> +<i>Conversion Functions</i> + <li><a href="#Datatype-Convert">H5Tconvert</a> + <li><a href="#Datatype-Find">H5Tfind</a> + <li><a href="#Datatype-SetOverflow">H5Tset_overflow</a> + <li><a href="#Datatype-GetOverflow">H5Tget_overflow</a> + <li><a href="#Datatype-Register">H5Tregister</a> + <li><a href="#Datatype-Unregister">H5Tunregister</a> </td><td> </td><td valign=top> -<i>Atomic Datatype</i> +<i>Atomic Datatype Properties</i> + <table><tr><td valign=top> <li><a href="#Datatype-SetSize">H5Tset_size</a> <li><a href="#Datatype-GetOrder">H5Tget_order</a> <li><a href="#Datatype-SetOrder">H5Tset_order</a> @@ -78,12 +91,11 @@ of a dataset. <li><a href="#Datatype-SetPad">H5Tset_pad</a> <li><a href="#Datatype-GetSign">H5Tget_sign</a> <li><a href="#Datatype-SetSign">H5Tset_sign</a> -</td><td valign=top> -<i>Properties</i> <li><a href="#Datatype-GetFields">H5Tget_fields</a> <li><a href="#Datatype-SetFields">H5Tset_fields</a> <li><a href="#Datatype-GetEbias">H5Tget_ebias</a> <li><a href="#Datatype-SetEbias">H5Tset_ebias</a> + </td><td valign=top> <li><a href="#Datatype-GetNorm">H5Tget_norm</a> <li><a href="#Datatype-SetNorm">H5Tset_norm</a> <li><a href="#Datatype-GetInpad">H5Tget_inpad</a> @@ -92,9 +104,12 @@ of a dataset. <li><a href="#Datatype-SetCset">H5Tset_cset</a> <li><a href="#Datatype-GetStrpad">H5Tget_strpad</a> <li><a href="#Datatype-SetStrpad">H5Tset_strpad</a> + </td></tr></table> <p> +<i>Variable-length Datatypes</i> + <li><a href="#Datatype-VLCreate">H5Tvlen_create</a> </td><td> </td><td valign=top> -<i>Properties of Compound Types</i> +<i>Compound Datatype Properties</i> <li><a href="#Datatype-GetNmembers">H5Tget_nmembers</a> <li><a href="#Datatype-GetMemberName">H5Tget_member_name</a> <li><a href="#Datatype-GetMemberOffset">H5Tget_member_offset</a> @@ -104,18 +119,117 @@ of a dataset. <li><a href="#Datatype-Pack">H5Tpack</a> <li><a href="#Datatype-InsertArray">H5Tinsert_array</a> <p> -<i>Conversion Functions</i> - <li><a href="#Datatype-Convert">H5Tconvert</a> - <li><a href="#Datatype-Find">H5Tfind</a> - <li><a href="#Datatype-SetOverflow">H5Tset_overflow</a> - <li><a href="#Datatype-GetOverflow">H5Tget_overflow</a> - <li><a href="#Datatype-RegisterHard">H5Tregister_hard</a> - <li><a href="#Datatype-RegisterSoft">H5Tregister_soft</a> - <li><a href="#Datatype-Unregister">H5Tunregister</a> +<i>Enumeration Datatypes</i> + <li><a href="#Datatype-EnumCreate">H5Tenum_create</a> + <li><a href="#Datatype-EnumInsert">H5Tenum_insert</a> + <li><a href="#Datatype-EnumNameOf">H5Tenum_nameof</a> + <li><a href="#Datatype-EnumValueOf">H5Tenum_valueof</a> + <li><a href="#Datatype-GetMemberValue">H5Tget_member_value</a> +<p> +<i>Opaque Datatypes</i> + <li><a href="#Datatype-SetTag">H5Tset_tag</a> + <li><a href="#Datatype-GetTag">H5Tget_tag</a> </td></tr> </table> <p> +<strong>The FORTRAN90 Interfaces:</strong> +<br> + +<font size=-1> +<i>In general, each FORTRAN90 subroutine performs exactly the same task +as the corresponding C function. The links below go to the C function +descriptions, which serve as general descriptions for both. A button, +under <strong>Non-C API(s)</strong> at the end of the C function description, +opens an external browser window displaying the FORTRAN90-specific +information. You will probably want to adjust the size and location of +this external window so that both browser windows are visible and to +facilitate moving easily between them.</i> +</font> + +<table border=0> +<tr><td valign=top> +<i>General Datatype Operations</i> +<!--<li><a href="#Datatype-Create">h5tcreate_f</a> --> + <li><a href="#Datatype-Open">h5topen_f</a> + <li><a href="#Datatype-Commit">h5tcommit_f</a> +<!--<li><a href="#Datatype-Committed">h5tcommitted_f</a> --> + <li><a href="#Datatype-Copy">h5tcopy_f</a> +<!--<li><a href="#Datatype-Equal">h5tequal_f</a> --> +<!--<li><a href="#Datatype-Lock">h5tlock_f</a> --> +</td><td valign=top> +<br> + <li><a href="#Datatype-GetClass">h5tget_class_f</a> + <li><a href="#Datatype-GetSize">h5tget_size_f</a> +<!--<li><a href="#Datatype-GetSuper">h5tget_super_f</a> --> + <li><a href="#Datatype-Close">h5tclose_f</a> +<!--<p> --> +<!--<i>Conversion Functions</i> --> +<!--<li><a href="#Datatype-Convert">h5tconvert_f</a> --> +<!--<li><a href="#Datatype-Find">h5tfind_f</a> --> +<!--<li><a href="#Datatype-SetOverflow">h5tset_overflow_f</a> --> +<!--<li><a href="#Datatype-GetOverflow">h5tget_overflow_f</a> --> +<!--<li><a href="#Datatype-Register">h5tregister_f</a> --> +<!--<li><a href="#Datatype-Unregister">h5tunregister_f</a> --> +</td><td> </td><td valign=top> +</td><td> </td><td valign=top> +</td><td> </td><td valign=top> +<i>Atomic Datatype Properties</i> +<!-- <table><tr><td valign=top> --> + <li><a href="#Datatype-SetSize">h5tset_size_f</a> + <li><a href="#Datatype-GetOrder">h5tget_order_f</a> + <li><a href="#Datatype-SetOrder">h5tset_order_f</a> +<!--<li><a href="#Datatype-GetPrecision">h5tget_precision_f</a> --> +<!--<li><a href="#Datatype-SetPrecision">h5tset_precision_f</a> --> +<!--<li><a href="#Datatype-GetOffset">h5tget_offset_f</a> --> +<!--<li><a href="#Datatype-SetOffset">h5tset_offset_f</a> --> +<!--<li><a href="#Datatype-GetPad">h5tget_pad_f</a> --> +<!--<li><a href="#Datatype-SetPad">h5tset_pad_f</a> --> +<!--<li><a href="#Datatype-GetSign">h5tget_sign_f</a> --> +<!--<li><a href="#Datatype-SetSign">h5tset_sign_f</a> --> +<!--<li><a href="#Datatype-GetFields">h5tget_fields_f</a> --> +<!--<li><a href="#Datatype-SetFields">h5tset_fields_f</a> --> +<!--<li><a href="#Datatype-GetEbias">h5tget_ebias_f</a> --> +<!--<li><a href="#Datatype-SetEbias">h5tset_ebias_f</a> --> +<!-- </td><td valign=top> --> +<!--<li><a href="#Datatype-GetNorm">h5tget_norm_f</a> --> +<!--<li><a href="#Datatype-SetNorm">h5tset_norm_f</a> --> +<!--<li><a href="#Datatype-GetInpad">h5tget_inpad_f</a> --> +<!--<li><a href="#Datatype-SetInpad">h5tset_inpad_f</a> --> +<!--<li><a href="#Datatype-GetCset">h5tget_cset_f</a> --> +<!--<li><a href="#Datatype-SetCset">h5tset_cset_f</a> --> +<!--<li><a href="#Datatype-GetStrpad">h5tget_strpad_f</a> --> +<!--<li><a href="#Datatype-SetStrpad">h5tset_strpad_f</a> --> +<!-- </td></tr></table> --> +<!--<p> --> +<!--<i>Variable-length Datatypes</i> --> +<!--<li><a href="#Datatype-VLCreate">h5tvlen_create_f</a> --> +<!--</td><td> </td><td valign=top> --> +<!--<i>Compound Datatype Properties</i> --> +<!--<li><a href="#Datatype-GetNmembers">h5tget_nmembers_f</a> --> +<!--<li><a href="#Datatype-GetMemberName">h5tget_member_name_f</a> --> +<!--<li><a href="#Datatype-GetMemberOffset">h5tget_member_offset_f</a> --> +<!--<li><a href="#Datatype-GetMemberDims">h5tget_member_dims_f</a> --> +<!--<li><a href="#Datatype-GetMemberType">h5tget_member_type_f</a> --> +<!--<li><a href="#Datatype-Insert">h5tinsert_f</a> --> +<!--<li><a href="#Datatype-Pack">h5tpack_f</a> --> +<!--<li><a href="#Datatype-InsertArray">h5tinsert_array_f</a> --> +<!--<p> --> +<!--<i>Enumeration Datatypes</i> --> +<!--<li><a href="#Datatype-EnumCreate">h5tenum_create_f</a> --> +<!--<li><a href="#Datatype-EnumInsert">h5tenum_insert_f</a> --> +<!--<li><a href="#Datatype-EnumNameOf">h5tenum_nameof_f</a> --> +<!--<li><a href="#Datatype-EnumValueOf">h5tenum_valueof_f</a> --> +<!--<li><a href="#Datatype-GetMemberValue">h5tget_member_value_f</a> --> +<!--<p> --> +<!--<i>Opaque Datatypes</i> --> +<!--<li><a href="#Datatype-SetTag">h5tset_tag_f</a> --> +<!--<li><a href="#Datatype-GetTag">h5tget_tag_f</a> --> +</td></tr> +</table> + + +<p> The Datatype interface, H5T, provides a mechanism to describe the storage format of individual data points of a data set and is hopefully designed in such a way as to allow new features to be @@ -162,13 +276,20 @@ in the <cite>HDF5 User's Guide</cite> for further information, including a compl <dt><strong>Parameters:</strong> <dl> <dt><em>hid_t</em> <code>loc_id</code> - <dd>A file, group, or datatype identifier. + <dd>IN: A file or group identifier. <dt><em>const char *</em> <code>name</code> - <dd>A datatype name. + <dd>IN: A datatype name, defined within the file or group identified by <code>loc_id</code>. </dl> <dt><strong>Returns:</strong> <dd>Returns a named datatype identifier if successful; otherwise returns a negative value. +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5topen_f" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> + <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -191,15 +312,22 @@ in the <cite>HDF5 User's Guide</cite> for further information, including a compl <dt><strong>Parameters:</strong> <dl> <dt><em>hid_t</em> <code>loc_id</code> - <dd>A file or group identifier. + <dd>IN: A file or group identifier. <dt><em>const char *</em> <code>name</code> - <dd>A datatype name. + <dd>IN: A datatype name. <dt><em>hid_t</em> <code>type</code> - <dd>A datatype identifier. + <dd>IN: A datatype identifier. </dl> <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5tcommit_f" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> + <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -207,7 +335,7 @@ in the <cite>HDF5 User's Guide</cite> for further information, including a compl <dl> <dt><strong>Name:</strong> <a name="Datatype-Committed">H5Tcommitted</a> <dt><strong>Signature:</strong> - <dd><em>hbool_t</em><code>H5Tcommitted</code>(<em>hid_t</em> <code>type</code>) + <dd><em>htri_t</em><code>H5Tcommitted</code>(<em>hid_t</em> <code>type</code>) <dt><strong>Purpose:</strong> <dd>Determines whether a datatype is a named type or a transient type. <dt><strong>Description:</strong> @@ -220,12 +348,22 @@ in the <cite>HDF5 User's Guide</cite> for further information, including a compl able to share the datatype with other datasets in the same file. <dt><strong>Parameters:</strong> <dl> - <dt>hid_t</em> <code>type</code> - <dd>Datatype identifier. + <dt><em>hid_t</em> <code>type</code> + <dd>IN: Datatype identifier. </dl> <dt><strong>Returns:</strong> - <dd>The successful return values are TRUE if committed, else FALSE. + <dd>When successful, returns a positive value, for <code>TRUE</code>, + if the datatype has been committed, or <code>0</code> (zero), + for <code>FALSE</code>, if the datatype has not been committed. Otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -250,31 +388,51 @@ in the <cite>HDF5 User's Guide</cite> for further information, including a compl and the size of the array is </em><code>dim</code>. The new member's name, <code>name</code>, must be unique within the compound datatype. - The <code>offset</code> argument defines the start of the + The <code>offset</code> argument defines the byte offset of the start of the member in an instance of the compound datatype and <code>member_id</code> is the type identifier of the new member. The total member size should be relatively small. + <p> + The functionality of the <code>perm</code> parameter has + not yet been implemented. + Currently, <code>perm</code> is best set to <code>NULL</code>. + (When implemented, <code>perm</code> will specify the mapping + of dimensions within a struct. At that time, a + <code>NULL</code> value for <code>perm</code> will mean + no mappiing change is to take place. Thus, using a value + of <code>NULL</code> ensures that application behavior will + remain unchanged upon implementation of this functionality.) <dt><strong>Parameters:</strong> <dl> <dt><em>hid_t</em> <code>parent_id</code> - <dd>Identifier of the parent compound datatype. + <dd>IN: Identifier of the parent compound datatype. <dt><em>const char *</em><code>name</code> - <dd>Name of new member. + <dd>IN: Name of new member. <dt><em>size_t</em> <code>offset</code> - <dd>Offset to start of new member within compound datatype. + <dd>IN: Offset to start of new member within compound datatype. <dt><em>int</em> <code>ndims</code> - <dd>Dimensionality of new member. + <dd>IN: Dimensionality of new member. + Valid values are <code>0</code> (zero) + through <code>4</code> (four). <dt><em>const size_t *</em><code>dim</code> - <dd>Size of new member array. + <dd>IN: Size of new member array. <dt><em>const int *</em><code>perm</code> - <dd>Pointer to buffer to store the permutation vector of + <dd>IN: Pointer to buffer to store the permutation vector of the field. <dt><em>hid_t</em> <code>member_id</code> - <dd>Identifier of the datatype of the new member. + <dd>IN: Identifier of the datatype of the new member. </dl> <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -299,15 +457,23 @@ in the <cite>HDF5 User's Guide</cite> for further information, including a compl <dt><strong>Parameters:</strong> <dl> <dt><em>hid_t</em> <code>src_id</code> - <dd>Identifier for the source datatype. + <dd>IN: Identifier for the source datatype. <dt><em>hid_t</em> <code>dst_id</code> - <dd>Identifier for the destination datatype. + <dd>IN: Identifier for the destination datatype. <dt><em>H5T_cdata_t **</em><code>pcdata</code> - <dd>Pointer to type conversion data. + <dd>IN: Pointer to type conversion data. </dl> <dt><strong>Returns:</strong> <dd>Returns a pointer to a suitable conversion function if successful. Otherwise returns NULL. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -353,6 +519,14 @@ in the <cite>HDF5 User's Guide</cite> for further information, including a compl <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -386,6 +560,14 @@ in the <cite>HDF5 User's Guide</cite> for further information, including a compl <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -412,6 +594,14 @@ H5Tget_overflow () <dd>Returns a pointer to an application-defined function if successful. Otherwise returns NULL; this can happen if no overflow handling function is registered. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -427,9 +617,16 @@ H5Tget_overflow () <dt><strong>Description:</strong> <dd><code>H5Tcreate</code> creates a new dataype of the specified class with the specified number of bytes. - Currently, only the <code>H5T_COMPOUND</code> datatype class is - supported with this function. Use <code>H5Tcopy</code> - to create integer or floating-point datatypes. + <p> + The following datatype classes are supported with this function: + <ul> + <li><code>H5T_COMPOUND</code> + <li><code>H5T_OPAQUE</code> + <li><code>H5T_ENUM</code> + </ul> + <p> + Use <code>H5Tcopy</code> to create integer or floating-point datatypes. + <p> The datatype identifier returned from this function should be released with <code>H5Tclose</code> or resource leaks will result. <dt><strong>Parameters:</strong> @@ -442,6 +639,54 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns datatype identifier if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + + +<hr> +<dl> +<dt><strong>Name:</strong> <a name="Datatype-VLCreate">H5Tvlen_create</a> +<dt><strong>Signature:</strong> + <dd><em>hid_t </em><code>H5Tvlen_create</code>(<em>hid_t </em><code>base_type_id</code> + ) +<dt><strong>Purpose:</strong> + <dd>Creates a new variable-length dataype. +<dt><strong>Description:</strong> + <dd><code>H5Tvlen_create</code> creates a new variable-length (VL) dataype. + <p> + The base datatype will be the datatype that the sequence is composed of, + characters for character strings, vertex coordinates for polygon lists, etc. + The base type specified for the VL datatype can be of any HDF5 datatype, + including another VL datatype, a compound datatype or an atomic datatype. + <p> + When necessary, use <code>H5Tget_super</code> to determine the base type + of the VL datatype. + <p> + The datatype identifier returned from this function should be + released with <code>H5Tclose</code> or resource leaks will result. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>base_type_id</code> + <dd>Base type of datatype to create. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns datatype identifier if successful; + otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -529,6 +774,13 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns a datatype identifier if successful; otherwise returns a negative value +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5tcopy_f" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> + <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -536,7 +788,7 @@ H5Tget_overflow () <dl> <dt><strong>Name:</strong> <a name="Datatype-Equal">H5Tequal</a> <dt><strong>Signature:</strong> - <dd><em>hbool_t </em><code>H5Tequal</code>(<em>hid_t </em><code>type_id1</code>, + <dd><em>htri_t </em><code>H5Tequal</code>(<em>hid_t </em><code>type_id1</code>, <em>hid_t</em><code>type_id2</code> ) <dt><strong>Purpose:</strong> @@ -552,9 +804,18 @@ H5Tget_overflow () <dd>Identifier of datatype to compare. </dl> <dt><strong>Returns:</strong> - <dd>When successful, returns TRUE if the datatype identifiers - refer to the same datatype, else FALSE. + <dd>When successful, returns a positive value, for <code>TRUE</code>, + if the datatype identifiers refer to the same datatype, + or <code>0</code> (zero), for <code>FALSE</code>. Otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -581,6 +842,14 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -603,6 +872,8 @@ H5Tget_overflow () <li><code>H5T_BITFIELD</code> (<code>4</code>) <li><code>H5T_OPAQUE</code> (<code>5</code>) <li><code>H5T_COMPOUND</code> (<code>6</code>) + <li><code>H5T_ENUM</code> (<code>7</code>) + <li><code>H5T_REFERENCE</code> (<code>8</code>) </ul> <dt><strong>Parameters:</strong> <dl> @@ -612,6 +883,13 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns datatype class identifier if successful; otherwise H5T_NO_CLASS (-1). +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5tget_class_f" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> + <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -633,6 +911,13 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns the size of the datatype in bytes if successful; otherwise 0. +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5tget_size_f" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> + <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -666,6 +951,45 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5tset_size_f" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> + <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + + +<hr> +<dl> +<dt><strong>Name:</strong> <a name="Datatype-GetSuper">H5Tget_super</a> +<dt><strong>Signature:</strong> + <dd><em>hid_t</em> <code>H5Tget_super</code>(<em>hid_t</em> <code>type</code> + ) +<dt><strong>Purpose:</strong> + <dd>Returns the base datatype from which a datatype is derived. +<dt><strong>Description:</strong> + <dd><code>H5Tget_super</code> returns the base datatype from which the + datatype <code>type</code> is derived. + <P> + In the case of an enumeration type, the return value is an integer type. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>type</code> + <dd>Datatype identifier for the derived datatype. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns the datatype identifier for the base datatype if successful; + otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -698,6 +1022,13 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns a byte order constant if successful; otherwise <code>H5T_ORDER_ERROR</code> (-1). +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5tget_order_f" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> + <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -731,6 +1062,13 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5tset_order_f" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> + <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -754,6 +1092,14 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns the number of significant bits if successful; otherwise 0. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -788,6 +1134,14 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -855,6 +1209,14 @@ H5Tget_overflow () <dt><strong>Returns:</strong> <dd>Returns a positive offset value if successful; otherwise 0. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -932,6 +1294,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -970,6 +1340,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1005,6 +1383,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1033,6 +1419,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a valid sign type if successful; otherwise <code>H5T_SGN_ERROR</code> (-1). +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1063,6 +1457,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1100,6 +1502,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1139,6 +1549,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1160,6 +1578,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns the bias if successful; otherwise 0. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1184,6 +1610,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1214,6 +1648,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a valid normalization type if successful; otherwise <code>H5T_NORM_ERROR</code> (-1). +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1247,6 +1689,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1278,6 +1728,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a valid padding type if successful; otherwise <code>H5T_PAD_ERROR</code> (-1). +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1314,6 +1772,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1340,6 +1806,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a valid character set type if successful; otherwise <code>H5T_CSET_ERROR</code> (-1). +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1372,6 +1846,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1400,6 +1882,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a valid string padding type if successful; otherwise <code>H5T_STR_ERROR</code> (-1). +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1434,6 +1924,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1441,7 +1939,7 @@ zero. <dl> <dt><strong>Name:</strong> <a name="Datatype-GetNmembers">H5Tget_nmembers</a> <dt><strong>Signature:</strong> - <dd><em>intn </em><code>H5Tget_nmembers</code>(<em>hid_t </em><code>type_id</code> + <dd><em>int </em><code>H5Tget_nmembers</code>(<em>hid_t </em><code>type_id</code> ) <dt><strong>Purpose:</strong> <dd>Retrieves the number of fields in a compound datatype. @@ -1455,6 +1953,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns number of members datatype has if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1484,9 +1990,56 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a valid pointer if successful; otherwise NULL. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + + +<hr> +<dl> +<dt><strong>Name:</strong> <a name="Datatype-GetMemberOffset">H5Tget_member_offset</a> +<dt><strong>Signature:</strong> + <dd><em>size_t</em> <code>H5Tget_member_offset</code>(<em>hid_t </em><code>type_id</code>, + <em>int</em> <code>memb_no</code> + ) +<dt><strong>Purpose:</strong> + <dd>Retrieves the offset of a field of a compound datatype. +<dt><strong>Description:</strong> + <dd><code>H5Tget_member_offset</code> retrieves the + byte offset of the beginning of a field within a + compound datatype with respect to the beginning + of the compound data type datum. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>type_id</code> + <dd>Identifier of datatype to query. + <dt><em>int</em> <code>memb_no</code> + <dd>Number of the field whose offset is requested. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns the byte offset of the field if successful; + otherwise returns <code>0</code> (zero). + Note that zero is a valid offset and that this function + will fail only if a call to <code>H5Tget_member_dims()</code> + fails with the same arguments. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> + <hr> <dl> <dt><strong>Name:</strong> <a name="Datatype-GetMemberDims">H5Tget_member_dims</a> @@ -1521,6 +2074,14 @@ zero. <dd>Returns the number of dimensions, a number from 0 to 4, if successful. Otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1547,6 +2108,14 @@ zero. <dd>Returns the identifier of a copy of the datatype of the field if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1556,7 +2125,7 @@ zero. <dt><strong>Signature:</strong> <dd><em>herr_t</em> <code>H5Tinsert</code>(<em>hid_t </em><code>type_id</code>, <em>const char *</em> <code>name</code>, - <em>off_t</em> <code>offset</code>, + <em>size_t</em> <code>offset</code>, <em>hid_t</em> <code>field_id</code> ) <dt><strong>Purpose:</strong> @@ -1569,16 +2138,15 @@ zero. in an instance of the compound datatype, and <code>field_id</code> is the datatype identifier of the new member. <P> - Note: All members of a compound datatype must be atomic; a - compound datatype cannot have a member which is a compound - datatype. + Note: Members of a compound datatype do not have to be atomic datatypes; + a compound datatype can have a member which is a compound datatype. <dt><strong>Parameters:</strong> <dl> <dt><em>hid_t</em> <code>type_id</code> <dd>Identifier of compound datatype to modify. <dt><em>const char *</em> <code>name</code> <dd>Name of the field to insert. - <dt><em>off_t</em> <code>offset</code> + <dt><em>size_t</em> <code>offset</code> <dd>Offset in memory structure of the field to insert. <dt><em>hid_t</em> <code>field_id</code> <dd>Datatype identifier of the field to insert. @@ -1586,6 +2154,14 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1608,43 +2184,71 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> <hr> <dl> -<dt><strong>Name:</strong> <a name="Datatype-RegisterHard">H5Tregister_hard</a> +<dt><strong>Name:</strong> <a name="Datatype-Register">H5Tregister</a> <dt><strong>Signature:</strong> - <dd><em>herr_t</em> <code>H5Tregister_hard</code>(<em>const char - *</em> <code>name</code>, <em>hid_t </em><code>src_id</code>, + <dd><em>herr_t</em> <code>H5Tregister</code>(<em>H5T_pers_t</em> <code>pers</code>, + <em>const char *</em> <code>name</code>, + <em>hid_t </em><code>src_id</code>, <em>hid_t</em> <code>dst_id</code>, <em>H5T_conv_t</em> <code>func</code> ) <dt><strong>Purpose:</strong> - <dd>Registers a hard conversion function. + <dd>Registers a conversion function. <dt><strong>Description:</strong> - <dd><code>H5Tregister_hard</code> registers a hard conversion function for a datatype - conversion path. The path is specified by the source and destination - datatypes <code>src_id</code> and <code>dst_id</code>. A conversion - path can only have one hard function, so <code>func</code> replaces any - previous hard function. + <dd><code>H5Tregister</code> registers a hard or soft conversion function + for a datatype conversion path. + <p> + The parameter <code>pers</code> indicates whether a conversion function + is <code>HARD</code> or <code>SOFT</code>. + <p> + A conversion path can have only one hard function. + When <code>pers</code> is <code>HARD</code>, <code>func</code> replaces + any previous hard function. + If <code>pers</code> is <code>HARD</code> and <code>func</code> + is the null pointer, then any hard function registered for this + path is removed. + <p> + When <code>pers</code> is <code>SOFT</code>, <code>H5Tregister</code> + adds the function to the end of the master soft list and replaces + the soft function in all applicable existing conversion paths. + Soft functions are used when determining which conversion function + is appropriate for this path. + <p> + The <code>name</code> is used only for debugging and should be a + short identifier for the function. <p> - If <code>func</code> is the null pointer then any hard function - registered for this path is removed from this path. The soft functions - are then used when determining which conversion function is appropriate - for this path. The <code>name</code> argument is used only - for debugging and should be a short identifier for the function. + The path is specified by the source and destination datatypes + <code>src_id</code> and <code>dst_id</code>. + For soft conversion functions, only the class of these types is important. <p> The type of the conversion function pointer is declared as: - <br> - <code>typedef</code> <em>herr_t </em>(<code>*H5T_conv_t</code>) (<em>hid_t </em><code>src_id</code>, + <dl> + <dd><code>typedef</code> <em>herr_t </em>(<code>*H5T_conv_t</code>) + (<em>hid_t </em><code>src_id</code>, <em>hid_t </em><code>dst_id</code>, <em>H5T_cdata_t *</em><code>cdata</code>, <em>size_t </em><code>nelmts</code>, <em>void *</em><code>buf</code>, - <em>void *</em><code>bkg)</code>; + <em>void *</em><code>bkg</code>); + </dl> <dt><strong>Parameters:</strong> <dl> + <dt><em>H5T_pers_t</em> <code>pers</code> + <dd><code>HARD</code> for hard conversion functions; + <code>SOFT</code> for soft conversion functions. <dt><em>const char *</em> <code>name</code> <dd>Name displayed in diagnostic output. <dt><em>hid_t</em> <code>src_id</code> @@ -1657,79 +2261,320 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> <hr> <dl> -<dt><strong>Name:</strong> <a name="Datatype-RegisterSoft">H5Tregister_soft</a> +<dt><strong>Name:</strong> <a name="Datatype-Unregister">H5Tunregister</a> <dt><strong>Signature:</strong> - <dd><em>herr_t</em> <code>H5Tregister_soft</code>(<em>const char - *</em> <code>name</code>, <em>H5T_class_t </em><code>src_cls</code>, - <em>H5T_class_t</em> <code>dst_cls</code>, - <em>H5T_conv_t</em> <code>func</code> + <dd><em>herr_t</em> <code>H5Tunregister</code>(<em>H5T_conv_t</em> <code>func</code> ) <dt><strong>Purpose:</strong> - <dd>Registers a soft conversion function. + <dd>Removes a conversion function from all conversion paths. <dt><strong>Description:</strong> - <dd><code>H5Tregister_soft</code> registers a soft conversion function by adding it to the - end of the master soft list and replacing the soft function in all - applicable existing conversion paths. The <code>name</code> - is used only for debugging and should be a short identifier - for the function. + <dd><code>H5Tunregister</code> removes a conversion function from all conversion paths. <P> - The type of the conversion function pointer is declared as: - <br> - <code>typedef</code> <em>herr_t </em>(<code>*H5T_conv_t</code>) (<em>hid_t </em><code>src_id</code>, - <em>hid_t </em><code>dst_id</code>, - <em>H5T_cdata_t *</em><code>cdata</code>, - <em>size_t </em><code>nelmts</code>, - <em>void *</em><code>buf</code>, - <em>void *</em><code>bkg)</code>; + The conversion function pointer type declaration is described in + <a href="#Datatype-Register">H5Tregister</a>. <dt><strong>Parameters:</strong> <dl> - <dt><em>const char *</em> <code>name</code> - <dd>Name displayed in diagnostic output. - <dt><em>H5T_class_t</em> <code>src_cls</code> - <dd>Identifier of source datatype class. - <dt><em>H5T_class_t</em> <code>dst_cls</code> - <dd>Identifier of destination datatype class. <dt><em>H5T_conv_t</em> <code>func</code> - <dd>Function to convert between source and destination datatypes. + <dd>Function to remove from conversion paths. </dl> <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> <hr> <dl> -<dt><strong>Name:</strong> <a name="Datatype-Unregister">H5Tunregister</a> +<dt><strong>Name:</strong> <a name="Datatype-EnumCreate">H5Tenum_create</a> <dt><strong>Signature:</strong> - <dd><em>herr_t</em> <code>H5Tunregister</code>(<em>H5T_conv_t</em> <code>func</code> + <dd><em>hid_t</em> <code>H5Tenum_create</code>(<em>hid_t</em> <code>parent_id</code> ) <dt><strong>Purpose:</strong> - <dd>Removes a conversion function from all conversion paths. + <dd>Creates a new enumeration datatype. <dt><strong>Description:</strong> - <dd><code>H5Tunregister</code> removes a conversion function from all conversion paths. - <P> - The type of the conversion function pointer is declared as: - <br> - <code>typedef</code> <em>herr_t </em>(<code>*H5T_conv_t</code>) (<em>hid_t </em><code>src_id</code>, - <em>hid_t </em><code>dst_id</code>, - <em>H5T_cdata_t *</em><code>cdata</code>, - <em>size_t </em><code>nelmts</code>, - <em>void *</em><code>buf</code>, - <em>void *</em><code>bkg)</code>; + <dd><code>H5Tenum_create</code> creates a new enumeration datatype + based on the specified base datatype, <code>parent_id</code>, + which must be an integer type. <dt><strong>Parameters:</strong> <dl> - <dt><em>H5T_conv_t</em> <code>func</code> - <dd>Function to remove from conversion paths. + <dt><em>hid_t</em> <code>parent_id</code> + <dd>IN: Datatype identifier for the base datatype. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns the datatype identifier for the new enumeration datatype if successful; + otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + + +<hr> +<dl> +<dt><strong>Name:</strong> <a name="Datatype-EnumInsert">H5Tenum_insert</a> +<dt><strong>Signature:</strong> + <dd><em>herr_t</em> <code>H5Tenum_insert</code>(<em>hid_t</em> <code>type</code>, + <em>const char</em> *<code>name</code>, + <em>void</em> *<code>value</code> + ) +<dt><strong>Purpose:</strong> + <dd>Inserts a new enumeration datatype member. +<dt><strong>Description:</strong> + <dd><code>H5Tenum_insert</code> inserts a + new enumeration datatype member into an enumeration datatype. + <p> + <code>type</code> is the enumeration datatype, + <code>name</code> is the name of the new member, and + <code>value</code> points to the value of the new member. + <p> + <code>name</code> and <code>value</code> must both + be unique within <code>type</code>. + <p> + <code>value</code> points to data which is of the + datatype defined when the enumeration datatype was created. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>type</code> + <dd>IN: Datatype identifier for the enumeration datatype. + <dt><em>const char</em> *<code>name</code> + <dd>IN: Name of the new member. + <dt><em>void</em> *<code>value</code> + <dd>IN: Pointer to the value of the new member. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns a non-negative value if successful; + otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + + +<hr> +<dl> +<dt><strong>Name:</strong> <a name="Datatype-EnumNameOf">H5Tenum_nameof</a> +<dt><strong>Signature:</strong> + <dd><em>herr_t</em> <code>H5Tenum_nameof</code>(<em>hid_t</em> <code>type</code> + <em>void</em> *<code>value</code>, + <em>char</em> *<code>name</code>, + <em>size_t</em> <code>size</code> + ) +<dt><strong>Purpose:</strong> + <dd>Returns the symbol name corresponding to a specified member of an enumeration datatype. +<dt><strong>Description:</strong> + <dd><code>H5Tenum_nameof</code> finds the symbol name that + corresponds to the specified <code>value</code> + of the enumeration datatype <code>type</code>. + <p> + At most <code>size</code> characters of the symbol + name are copied into the <code>name</code> buffer. + If the entire symbol name and null terminator + do not fit in the <code>name</code> buffer, then as + many characters as possible are copied + (not null terminated) and the function fails. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>type</code> + <dd>IN: Enumeration datatype identifier. + <dt><em>void</em> *<code>value</code>, + <dd>IN: Value of the enumeration datatype. + <dt><em>char</em> *<code>name</code>, + <dd>OUT: Buffer for output of the symbol name. + <dt><em>size_t</em> <code>size</code> + <dd>IN: Anticipated size of the symbol name, in bytes (characters). + </dl> +<dt><strong>Returns:</strong> + <dd>Returns a non-negative value if successful. + Otherwise returns a negative value + and, if <code>size</code> allows it, + the first character of <code>name</code> is + set to <code>NULL</code>. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + + +<hr> +<dl> +<dt><strong>Name:</strong> <a name="Datatype-EnumValueOf">H5Tenum_valueof</a> +<dt><strong>Signature:</strong> + <dd><em>herr_t</em> <code>H5Tenum_valueof</code>(<em>hid_t</em> <code>type</code> + <em>char</em> *<code>name</code>, + <em>void</em> *<code>value</code> + ) +<dt><strong>Purpose:</strong> + <dd>Returns the value corresponding to a specified member of an enumeration datatype. +<dt><strong>Description:</strong> + <dd><code>H5Tenum_valueof</code> finds the value that + corresponds to the specified <code>name</code> + of the enumeration datatype <code>type</code>. + <p> + The <code>value</code> argument should be at least + as large as the value of <code>H5Tget_size(type)</code> + in order to hold the result. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>type</code> + <dd>IN: Enumeration datatype identifier. + <dt><em>const char</em> *<code>name</code>, + <dd>IN: Symbol name of the enumeration datatype. + <dt><em>void</em> *<code>value</code>, + <dd>OUT: Buffer for output of the value of the enumeration datatype. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns a non-negative value if successful; + otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + + +<hr> +<dl> +<dt><strong>Name:</strong> <a name="Datatype-GetMemberValue">H5Tget_member_value</a> +<dt><strong>Signature:</strong> + <dd><em>hid_t</em> <code>H5Tget_member_value</code>(<em>hid_t</em> <code>type</code> + <em>int</em> <code>memb_no</code>, + <em>void</em> *<code>value</code> + ) +<dt><strong>Purpose:</strong> + <dd>Returns the value of an enumeration datatype member. +<dt><strong>Description:</strong> + <dd><code>H5Tget_member_value</code> returns the value of + the enumeration datatype member <code>memb_no</code>. + <p> + The member value is returned in a user-supplied buffer + pointed to by <code>value</code>. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>type</code> + <dd>IN: Datatype identifier for the enumeration datatype. + <dt><em>int</em> <code>memb_no</code>, + <dd>IN: Number of the enumeration datatype member. + <dt><em>void</em> *<code>value</code> + <dd>OUT: Pointer to a buffer for output of the + value of the enumeration datatype member. </dl> <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + + +<hr> +<dl> +<dt><strong>Name:</strong> <a name="Datatype-SetTag">H5Tset_tag</a> +<dt><strong>Signature:</strong> + <dd><em>herr_t</em> <code>H5Tset_tag</code>(<em>hid_t</em> <code>type_id</code> + <em>const char</em> *<code>tag</code> + ) +<dt><strong>Purpose:</strong> + <dd>Tags an opaque datatype. +<dt><strong>Description:</strong> + <dd><code>H5Tset_tag</code> tags an opaque datatype <code>type_id</code> + with a unique ASCII identifier <code>tag</code>. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>type_id</code> + <dd>IN: Datatype identifier for the opaque datatype to be tagged. + <dt><em>const char</em> *<code>tag</code> + <dd>IN: Unique ASCII string with which the opaque datatype is to be tagged. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns a non-negative value if successful; + otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> +</dl> + + +<hr> +<dl> +<dt><strong>Name:</strong> <a name="Datatype-GetTag">H5Tget_tag</a> +<dt><strong>Signature:</strong> + <dd><em>char</em> *<code>H5Tget_tag</code>(<em>hid_t</em> <code>type_id</code> + ) +<dt><strong>Purpose:</strong> + <dd>Gets the tag associated with an opaque datatype. +<dt><strong>Description:</strong> + <dd><code>H5Tget_tag</code> returns the tag associated with + the opaque datatype <code>type_id</code>. + <P> + The tag is returned via a pointer to an + allocated string, which the caller must free. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>type_id</code> + <dd>Datatype identifier for the opaque datatype. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns a pointer to an allocated string if successful; + otherwise returns <code>NULL</code>. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#xxx" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> +--> <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1753,6 +2598,13 @@ zero. <dt><strong>Returns:</strong> <dd>Returns a non-negative value if successful; otherwise returns a negative value. +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5tclose_f" + target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> + <!-- + <img src="Graphics/Java.gif"> + <img src="Graphics/C++.gif"> + --> </dl> @@ -1796,7 +2648,7 @@ H5T <a href="mailto:hdfhelp@ncsa.uiuc.edu">HDF Help Desk</a> <br> -Last modified: 30 October 1998 +Last modified: 20 October 1999 </body> </html> |