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| -rw-r--r-- | doc/html/RM_H5T.html | 153 |
1 files changed, 141 insertions, 12 deletions
diff --git a/doc/html/RM_H5T.html b/doc/html/RM_H5T.html index f769561..5118863 100644 --- a/doc/html/RM_H5T.html +++ b/doc/html/RM_H5T.html @@ -68,6 +68,8 @@ of a dataset. <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-GetNativeType">H5Tget_native_type</a> + <li><a href="#Datatype-DetectClass">H5Tdetect_class</a> <li><a href="#Datatype-Close">H5Tclose</a> <p> <i>Conversion Functions</i> @@ -169,6 +171,8 @@ facilitate moving easily between them.</i> <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-GetNativeType">h5tget_native_type_f</a> --> +<!--<li><a href="#Datatype-DetectClass">h5tdetect_class_f</a> --> <li><a href="#Datatype-Close">h5tclose_f</a> <!--<p> --> <!--<i>Conversion Functions</i> --> @@ -650,15 +654,25 @@ H5Tget_overflow () </dl> - - - - - <hr> <dl> <dt><strong>Name:</strong> <a name="Datatype-IsVariableString">H5Tis_variable_str</a> - +<dt><strong>Signature:</strong> + <dd><em>htri_t </em><code>H5Tis_variable_str</code>(<em>hid_t </em><code>dtype_id</code> + ) +<dt><strong>Purpose:</strong> + <dd>Determines whether datatype is a variable-length string. +<dt><strong>Description:</strong> + <dd><code>H5Tvlen_create</code> determines whether the datatype + identified in <code>dtype_id</code> is a variable-length string. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>dtype_id</code> + <dd>Datatype identifier. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns <code>TRUE</code> or <code>FALSE</code> if successful; + otherwise returns a negative value. <dt><strong>Non-C API(s):</strong> <dd><a href="fortran/h5t_FORTRAN.html#h5tis_variable_str_f" target="FortranWin"><img src="Graphics/FORTRAN.gif" border=0></a> @@ -669,11 +683,6 @@ H5Tget_overflow () </dl> - - - - - <hr> <dl> <dt><strong>Name:</strong> <a name="Datatype-Copy">H5Tcopy</a> @@ -880,6 +889,42 @@ H5Tget_overflow () <hr> <dl> +<dt><strong>Name:</strong> <a name="Datatype-DetectClass">H5Tdetect_class</a> +<dt><strong>Signature:</strong> + <dd><em>htri_t </em><code>H5Tdetect_class</code>(<em>hid_t</em> <code>dtype_id</code>, + <em>H5T_class_t</em><code>dtype_class</code> + ) +<dt><strong>Purpose:</strong> + <dd>Determines whether a datatype is of the given datatype class. +<dt><strong>Description:</strong> + <dd><code>H5Tdetect_class</code> determines whether the datatype + specified in <code>dtype_id</code> is of the + datatype class specified in <code>dtype_class</code>. + <p> + Valid class identifiers are as defined in + <a href="#Datatype-GetClass"><code>H5Tget_class</code></a>. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>dtype_id</code> + <dd>Datatype identifier. + <dt><em>H5T_class_t</em><code>dtype_class</code> + <dd>Datatype class. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns <code>TRUE</code> or <code>FALSE</code> if successful; + otherwise returns a negative value. +<!--<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5tdetect_class_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-GetSize">H5Tget_size</a> <dt><strong>Signature:</strong> <dd><em>size_t </em><code>H5Tget_size</code>(<em>hid_t </em><code>type_id</code> @@ -979,6 +1024,90 @@ H5Tget_overflow () <hr> <dl> +<dt><strong>Name:</strong> <a name="Datatype-GetNativeType">H5Tget_native_type</a> +<dt><strong>Signature:</strong> + <dd><em>hid_t</em> <code>H5Tget_native_type</code>(<em>hid_t</em> <code>type_id</code>, + <em>H5T_direction_t</em> <code>direction</code> + ) +<dt><strong>Purpose:</strong> + <dd>Returns the native datatype of a specified datatype. +<dt><strong>Description:</strong> + <dd><code>H5Tget_native_type</code> returns the equivalent native datatype + for the dataset datatype specified in <code>type_id</code>. + <p> + <code>H5Tget_native_type</code> is a high-level function designed + primarily to facilitate use of the <code>H5Dread</code> function, + for which users otherwise must undertake a multi-step process to + determine the native datatype of a dataset prior to reading it + into memory. + It can be used not only to determine + the native datatype for atomic datatypes, + but also to determine the native datatypes of the individual components of + a compound datatype, an enumerated datatype, an array datatype, or + a variable-length datatype. + <p> + <code>H5Tget_native_type</code> selects the matching native datatype + from the following list: + <pre> H5T_NATIVE_CHAR + H5T_NATIVE_SHORT + H5T_NATIVE_INT + H5T_NATIVE_LONG + H5T_NATIVE_LLONG + + H5T_NATIVE_UCHAR + H5T_NATIVE_USHORT + H5T_NATIVE_UINT + H5T_NATIVE_ULONG + H5T_NATIVE_ULLONG + + H5T_NATIVE_FLOAT + H5T_NATIVE_DOUBLE + H5T_NATIVE_LDOUBLE</pre> + <p> + The <code>direction</code> parameter indicates the order + in which the library searches for a native datatype match. + Valid values for <code>direction</code> are as follows: + <table border=0> + <tr valign=top><td> </td><td> + <code>H5T_DIR_ASCEND</code></td><td> + Searches the above list in ascending size of the datatype,<br> + i.e., from top to bottom. (Default) + </td></tr> + <tr valign=top><td> </td><td> + <code>H5T_DIR_DESCEND</code> </td><td> + Searches the above list in descending size of the datatype,<br> + i.e., from bottom to top. + </td></tr> + </table> + <p> + <code>H5Tget_native_type</code> is designed primarily for + use with intenger and floating point datatypes. + Time, bifield, opaque, and reference datatypes are returned + as a copy of <code>type_id</code>. +<dt><strong>Parameters:</strong> + <dl> + <dt><em>hid_t</em> <code>type_id</code> + <dd>Datatype identifier for the dataset datatype. + <dt><em>H5T_direction_t</em> <code>direction</code> + <dd>Direction of search. + </dl> +<dt><strong>Returns:</strong> + <dd>Returns the native datatype identifier for the + specified dataset datatype if successful; + otherwise returns a negative value. +<!-- +<dt><strong>Non-C API(s):</strong> + <dd><a href="fortran/h5t_FORTRAN.html#h5tget_native_type_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-GetOrder">H5Tget_order</a> <dt><strong>Signature:</strong> <dd><em>H5T_order_t </em><code>H5Tget_order</code>(<em>hid_t </em><code>type_id</code> @@ -2816,7 +2945,7 @@ And in this document, the Describes HDF5 Release 1.5, Unreleased Development Branch </address><!-- #EndLibraryItem --> -Last modified: 7 April 2003 +Last modified: 1 May 2003 </body> </html> |