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<div class="section" id="variable">
<h1>Variable</h1>
<dl class="group">
<dt>
<span class="target" id="group__harp__variable"></span><em>group</em> <code class="descname">harp_variable</code></dt>
<dd><p>The HARP Variables module contains everything related to HARP variables. </p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Typedefs</p>
<dl class="type">
<dt id="_CPPv313harp_variable">
<span id="_CPPv213harp_variable"></span><span id="harp_variable"></span><span class="target" id="group__harp__variable_1gaa1ef463380898f695f0be26959475b0b"></span><em class="property">typedef </em><em class="property">struct</em> <a class="reference internal" href="#_CPPv320harp_variable_struct" title="harp_variable_struct">harp_variable_struct</a> <code class="descname">harp_variable</code><br /></dt>
<dd><p>HARP Variable typedef </p>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Functions</p>
<dl class="function">
<dt id="_CPPv326harp_variable_convert_unitP13harp_variablePKc">
<span id="_CPPv226harp_variable_convert_unitP13harp_variablePKc"></span><span id="harp_variable_convert_unit__harp_variableP.cCP"></span><span class="target" id="group__harp__variable_1ga5b07b7cbc799e1181f49a1b58c725345"></span>int <code class="descname">harp_variable_convert_unit</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, <em class="property">const</em> char *<em>target_unit</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Perform unit conversion on a variable</p>
<p>Apply an automatic conversion on the variable to arrive at the new given unit. If there is no conversion available from the current unit to the new unit then an error will be raised. The data type of the variable will be changed to ‘double’ as part of the conversion. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable on which the apply unit conversion. </li>
<li><code class="docutils literal notranslate"><span class="pre">target_unit</span></code>: Unit to which the variable should be converted (use udunits2 compliant units). </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv317harp_variable_newPKc14harp_data_typeiPK19harp_dimension_typePKlPP13harp_variable">
<span id="_CPPv217harp_variable_newPKc14harp_data_typeiPK19harp_dimension_typePKlPP13harp_variable"></span><span id="harp_variable_new__cCP.harp_data_type.i.harp_dimension_typeCP.lCP.harp_variablePP"></span><span class="target" id="group__harp__variable_1ga924d80d19cc952ad713a7a187d9296fa"></span>int <code class="descname">harp_variable_new</code><span class="sig-paren">(</span><em class="property">const</em> char *<em>name</em>, <a class="reference internal" href="libharp_general.html#_CPPv314harp_data_type" title="harp_data_type">harp_data_type</a> <em>data_type</em>, int <em>num_dimensions</em>, <em class="property">const</em> <a class="reference internal" href="libharp_general.html#_CPPv319harp_dimension_type" title="harp_dimension_type">harp_dimension_type</a> *<em>dimension_type</em>, <em class="property">const</em> long *<em>dimension</em>, <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> **<em>new_variable</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Create new variable. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">name</span></code>: Name of the variable. </li>
<li><code class="docutils literal notranslate"><span class="pre">data_type</span></code>: Storage type of the variable data. </li>
<li><code class="docutils literal notranslate"><span class="pre">num_dimensions</span></code>: Number of array dimensions (use ‘0’ for scalar data). </li>
<li><code class="docutils literal notranslate"><span class="pre">dimension_type</span></code>: Array with the dimension type for each of the dimensions. </li>
<li><code class="docutils literal notranslate"><span class="pre">dimension</span></code>: Array with length for each of the dimensions. </li>
<li><code class="docutils literal notranslate"><span class="pre">new_variable</span></code>: Pointer to the C variable where the new HARP variable will be stored. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv320harp_variable_deleteP13harp_variable">
<span id="_CPPv220harp_variable_deleteP13harp_variable"></span><span id="harp_variable_delete__harp_variableP"></span><span class="target" id="group__harp__variable_1ga835b6de52fb02a28773ae01d8014fcb0"></span>void <code class="descname">harp_variable_delete</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Delete variable. Remove variable and all attached attributes. <dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: HARP variable </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv318harp_variable_copyPK13harp_variablePP13harp_variable">
<span id="_CPPv218harp_variable_copyPK13harp_variablePP13harp_variable"></span><span id="harp_variable_copy__harp_variableCP.harp_variablePP"></span><span class="target" id="group__harp__variable_1ga746112ee46c5f00aca3bb3a2bec0782f"></span>int <code class="descname">harp_variable_copy</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>other_variable</em>, <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> **<em>new_variable</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Create a copy of a variable. The function will create a deep-copy of the given HARP variable, also creating copyies of all attributes. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">other_variable</span></code>: Variable that should be copied. </li>
<li><code class="docutils literal notranslate"><span class="pre">new_variable</span></code>: Pointer to the C variable where the new HARP variable will be stored. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv329harp_variable_copy_attributesPK13harp_variableP13harp_variable">
<span id="_CPPv229harp_variable_copy_attributesPK13harp_variableP13harp_variable"></span><span id="harp_variable_copy_attributes__harp_variableCP.harp_variableP"></span><span class="target" id="group__harp__variable_1ga7c2ef8399a4df61045d7caaf59ef8b66"></span>int <code class="descname">harp_variable_copy_attributes</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>target_variable</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Copy all attributes of a variable to a target variable. This will copy all attribute information of a variable that is not available as a parameter of <em>harp_variable_new</em>. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable from which the attributes should be copied. </li>
<li><code class="docutils literal notranslate"><span class="pre">target_variable</span></code>: Variable into which the attributes will be stored. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv320harp_variable_appendP13harp_variablePK13harp_variable">
<span id="_CPPv220harp_variable_appendP13harp_variablePK13harp_variable"></span><span id="harp_variable_append__harp_variableP.harp_variableCP"></span><span class="target" id="group__harp__variable_1gae2f3e63db847f4bcddd25f1a06c2267a"></span>int <code class="descname">harp_variable_append</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>other_variable</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Append one variable to another. Both variables need to have the ‘time’ dimension as first dimension. And all non-time dimensions need to be the same for both variables. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable to which data should be appended. </li>
<li><code class="docutils literal notranslate"><span class="pre">other_variable</span></code>: Variable that should be appended. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv320harp_variable_renameP13harp_variablePKc">
<span id="_CPPv220harp_variable_renameP13harp_variablePKc"></span><span id="harp_variable_rename__harp_variableP.cCP"></span><span class="target" id="group__harp__variable_1ga392b44a53ce8ec7bee03ba5d826ee77e"></span>int <code class="descname">harp_variable_rename</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, <em class="property">const</em> char *<em>name</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Change the name of a variable. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: The variable for which the name should be changed. </li>
<li><code class="docutils literal notranslate"><span class="pre">name</span></code>: The new name of the variable. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv322harp_variable_set_unitP13harp_variablePKc">
<span id="_CPPv222harp_variable_set_unitP13harp_variablePKc"></span><span id="harp_variable_set_unit__harp_variableP.cCP"></span><span class="target" id="group__harp__variable_1ga71f52dea2713943cc29cee353afe457e"></span>int <code class="descname">harp_variable_set_unit</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, <em class="property">const</em> char *<em>unit</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Set the unit attribute of the specified variable. Store a copy of <em>unit</em> as the value of the unit attribute of the specified variable. The previous value (if any) will be freed. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable for which to set the unit attribute. </li>
<li><code class="docutils literal notranslate"><span class="pre">unit</span></code>: New value for the unit attribute. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv329harp_variable_set_descriptionP13harp_variablePKc">
<span id="_CPPv229harp_variable_set_descriptionP13harp_variablePKc"></span><span id="harp_variable_set_description__harp_variableP.cCP"></span><span class="target" id="group__harp__variable_1ga16ffb681cdd99a9bc96a03b11b404afe"></span>int <code class="descname">harp_variable_set_description</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, <em class="property">const</em> char *<em>description</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Set the description attribute of the specified variable. Store a copy of <em>description</em> as the value of the description attribute of the specified variable. The previous value (if any) will be freed. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable for which to set the description attribute. </li>
<li><code class="docutils literal notranslate"><span class="pre">description</span></code>: New value for the description attribute. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv336harp_variable_set_enumeration_valuesP13harp_variableiPPKc">
<span id="_CPPv236harp_variable_set_enumeration_valuesP13harp_variableiPPKc"></span><span id="harp_variable_set_enumeration_values__harp_variableP.i.cCPP"></span><span class="target" id="group__harp__variable_1ga9ce68c378f834c4178f8d0e95bb3c5d0"></span>int <code class="descname">harp_variable_set_enumeration_values</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, int <em>num_enum_values</em>, <em class="property">const</em> char **<em>enum_name</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Set the enumeration values for a variable with integer values. This will assign enumeration labels to each integer value from 0 to num_enum_values-1. The enumeration label for a value is found by using the value as index in the enum_name array. This function will also set valid_min to 0 and valid_max to num_enum_values - 1 (i.e. any variable value that lies outside the index range is considered invalid). You can pass num_enum_values = 0 to clear any previous enumeration values that were set for the variable. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable for which to set the enumeration values. </li>
<li><code class="docutils literal notranslate"><span class="pre">num_enum_values</span></code>: Number of enumeration values </li>
<li><code class="docutils literal notranslate"><span class="pre">enum_name</span></code>: Array with the names for each of the enumeration values </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv337harp_variable_set_string_data_elementP13harp_variablelPKc">
<span id="_CPPv237harp_variable_set_string_data_elementP13harp_variablelPKc"></span><span id="harp_variable_set_string_data_element__harp_variableP.l.cCP"></span><span class="target" id="group__harp__variable_1ga87634436bf81efb1cc15e7641dcece20"></span>int <code class="descname">harp_variable_set_string_data_element</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, long <em>index</em>, <em class="property">const</em> char *<em>str</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Store a copy of <em>str</em> at <em>index</em> into the flattened array of strings associated with <em>variable</em>. <dl class="docutils">
<dt><strong>Warning</strong></dt>
<dd>No boundary checks are performed on <em>index</em>. </dd>
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable of type string. </li>
<li><code class="docutils literal notranslate"><span class="pre">index</span></code>: Index into the flattened array of strings associated with the variable. </li>
<li><code class="docutils literal notranslate"><span class="pre">str</span></code>: The string of which a copy should be stored. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv331harp_variable_convert_data_typeP13harp_variable14harp_data_type">
<span id="_CPPv231harp_variable_convert_data_typeP13harp_variable14harp_data_type"></span><span id="harp_variable_convert_data_type__harp_variableP.harp_data_type"></span><span class="target" id="group__harp__variable_1ga36ccb73140dc74215a886b49a8949363"></span>int <code class="descname">harp_variable_convert_data_type</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, <a class="reference internal" href="libharp_general.html#_CPPv314harp_data_type" title="harp_data_type">harp_data_type</a> <em>target_data_type</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Convert the data for the variable such that it matches the given data type. The memory for the block holding the data for the attribute will be resized to match the new data type if needed. You cannot convert string data to numeric data or vice-versa. Conversion from floating point to integer data (or vice versa) is allowed though. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable whose data should be aligned with the given data type. </li>
<li><code class="docutils literal notranslate"><span class="pre">target_data_type</span></code>: Data type to which the data for the variable should be converted. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv332harp_variable_has_dimension_typePK13harp_variable19harp_dimension_type">
<span id="_CPPv232harp_variable_has_dimension_typePK13harp_variable19harp_dimension_type"></span><span id="harp_variable_has_dimension_type__harp_variableCP.harp_dimension_type"></span><span class="target" id="group__harp__variable_1ga4dea9367f9781a38269c286d3173b77b"></span>int <code class="descname">harp_variable_has_dimension_type</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, <a class="reference internal" href="libharp_general.html#_CPPv319harp_dimension_type" title="harp_dimension_type">harp_dimension_type</a> <em>dimension_type</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Test if variable contains at least one dimension equal to the specified dimension type. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Variable does not contain a dimension of the given dimension type </li>
<li><code class="docutils literal notranslate"><span class="pre">1</span></code>, Variable contains at least one dimension of the given dimension type </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable to check. </li>
<li><code class="docutils literal notranslate"><span class="pre">dimension_type</span></code>: Requested dimension type </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv333harp_variable_has_dimension_typesPK13harp_variableiPK19harp_dimension_type">
<span id="_CPPv233harp_variable_has_dimension_typesPK13harp_variableiPK19harp_dimension_type"></span><span id="harp_variable_has_dimension_types__harp_variableCP.i.harp_dimension_typeCP"></span><span class="target" id="group__harp__variable_1ga53a34b30f7afc8d9bcbb546c21884488"></span>int <code class="descname">harp_variable_has_dimension_types</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, int <em>num_dimensions</em>, <em class="property">const</em> <a class="reference internal" href="libharp_general.html#_CPPv319harp_dimension_type" title="harp_dimension_type">harp_dimension_type</a> *<em>dimension_type</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Test if variable has dimensions equal to the specified list of dimension types. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Variable does not match the dimension types </li>
<li><code class="docutils literal notranslate"><span class="pre">1</span></code>, Variable matches number of dimensions and specified type for each dimension. </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable to check. </li>
<li><code class="docutils literal notranslate"><span class="pre">num_dimensions</span></code>: Number of dimensions the variable should have. </li>
<li><code class="docutils literal notranslate"><span class="pre">dimension_type</span></code>: Requested dimension type for each of the dimensions of the variable </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv322harp_variable_has_unitPK13harp_variablePKc">
<span id="_CPPv222harp_variable_has_unitPK13harp_variablePKc"></span><span id="harp_variable_has_unit__harp_variableCP.cCP"></span><span class="target" id="group__harp__variable_1ga568017c653f870b2dadbc8eee84da6d8"></span>int <code class="descname">harp_variable_has_unit</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, <em class="property">const</em> char *<em>unit</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Test if variable has a unit equal to the specified unit. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, The unit of the variable does not equal the given unit </li>
<li><code class="docutils literal notranslate"><span class="pre">1</span></code>, The unit of the variable equals the given unit </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable to check. </li>
<li><code class="docutils literal notranslate"><span class="pre">unit</span></code>: Number of dimensions the variable should have. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv320harp_variable_verifyPK13harp_variable">
<span id="_CPPv220harp_variable_verifyPK13harp_variable"></span><span id="harp_variable_verify__harp_variableCP"></span><span class="target" id="group__harp__variable_1gafb42d5c88f062c40b4739f75a360c080"></span>int <code class="descname">harp_variable_verify</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Verify that a variable is internally consistent and complies with conventions. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Variable verified successfully. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable to verify. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv319harp_variable_printP13harp_variableiPFiPKczE">
<span id="_CPPv219harp_variable_printP13harp_variableiPFiPKczE"></span><span class="target" id="group__harp__variable_1gae4abc939c7c57e2c8b9a5f381520ae9f"></span>void <code class="descname">harp_variable_print</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, int <em>show_attributes</em>, int (*<em>print</em>)<span class="sig-paren">(</span><em class="property">const</em> char *, ...<span class="sig-paren">)</span><span class="sig-paren">)</span><br /></dt>
<dd><p>Print a harp_variable struct using the specified print function. <dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable to print. </li>
<li><code class="docutils literal notranslate"><span class="pre">show_attributes</span></code>: Whether or not to print the attributes. </li>
<li><code class="docutils literal notranslate"><span class="pre">print</span></code>: Print function to use </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv324harp_variable_print_dataP13harp_variablePFiPKczE">
<span id="_CPPv224harp_variable_print_dataP13harp_variablePFiPKczE"></span><span class="target" id="group__harp__variable_1gacd1233a90389ac7bd85e9f80b2cb6d48"></span>void <code class="descname">harp_variable_print_data</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, int (*<em>print</em>)<span class="sig-paren">(</span><em class="property">const</em> char *, ...<span class="sig-paren">)</span><span class="sig-paren">)</span><br /></dt>
<dd><p>Print the data of a harp_variable using the specified print function. <dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable whose data to print. </li>
<li><code class="docutils literal notranslate"><span class="pre">print</span></code>: Print function to use </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
<dl class="function">
<dt id="_CPPv329harp_variable_smooth_verticalP13harp_variableP13harp_variableP13harp_variableP13harp_variable">
<span id="_CPPv229harp_variable_smooth_verticalP13harp_variableP13harp_variableP13harp_variableP13harp_variable"></span><span id="harp_variable_smooth_vertical__harp_variableP.harp_variableP.harp_variableP.harp_variableP"></span><span class="target" id="group__harp__variable_1ga2a8bc0e62c08f776dca1b4b74cdec637"></span>int <code class="descname">harp_variable_smooth_vertical</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>variable</em>, <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>vertical_axis</em>, <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>averaging_kernel</em>, <a class="reference internal" href="#_CPPv313harp_variable" title="harp_variable">harp_variable</a> *<em>apriori</em><span class="sig-paren">)</span><br /></dt>
<dd><p>Vertically smooth the variable using the given averaging kernel and a apriori. The variable already needs to be on the same vertical grid as that of the averaging kernel (and a priori). The apriori is optional. If provided, the apriori is first subtracted from the variable, then the smoothing is performed, and finally the apriori is added again. The averaging kernel needs to have dimensions {time,vertical,vertical} and the apriori {time,vertical}. The variable to be smoothed needs to have dimensions {time, …, vertical} (i.e. first dimension must be time and the last the vertical dimension; number of dimensions needs to be 2 or higher). The vertical axis variable is optional and, if provided, needs to have dimensions {time,vertical}. The vertical axis variable will be used to determine the valid number of vertical elements per profile. All inputs need to be provided as ‘double’ data. <dl class="docutils">
<dt><strong>Return</strong></dt>
<dd><ul class="simple">
<li><code class="docutils literal notranslate"><span class="pre">0</span></code>, Success. </li>
<li><code class="docutils literal notranslate"><span class="pre">-1</span></code>, Error occurred (check <a class="reference internal" href="libharp_error.html#group__harp__error_1gab2eeb46528306c6799632d1e800c4c36"><span class="std std-ref">harp_errno</span></a>). </li>
</ul>
</dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal notranslate"><span class="pre">variable</span></code>: Variable to which the averaging kernel (and apriori) should be applied. </li>
<li><code class="docutils literal notranslate"><span class="pre">vertical_axis</span></code>: The variable containing the time dependent vertical grid (optional). </li>
<li><code class="docutils literal notranslate"><span class="pre">averaging_kernel</span></code>: The variable containing the averaging kernel. </li>
<li><code class="docutils literal notranslate"><span class="pre">apriori</span></code>: The variable containing the apriori (optional). </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>
</div>
<dl class="class">
<dt id="_CPPv320harp_variable_struct">
<span id="_CPPv220harp_variable_struct"></span><span id="harp_variable_struct"></span><span class="target" id="structharp__variable__struct"></span><em class="property">struct </em><code class="descname">harp_variable_struct</code><br /></dt>
<dd><em>#include <harp.h></em><p>HARP Variable struct </p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Members</p>
<dl class="member">
<dt id="_CPPv34name">
<span id="_CPPv24name"></span><span id="name__cP"></span><span class="target" id="structharp__variable__struct_1a5ac083a645d964373f022d03df4849c8"></span>char *<code class="descname">name</code><br /></dt>
<dd><p>name of variable </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv39data_type">
<span id="_CPPv29data_type"></span><span id="data_type__harp_data_type"></span><span class="target" id="structharp__variable__struct_1ae23ad96b8e86b2dd28071bb83d20d65a"></span><a class="reference internal" href="libharp_general.html#_CPPv314harp_data_type" title="harp_data_type">harp_data_type</a> <code class="descname">data_type</code><br /></dt>
<dd><p>storage type of the data </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv314num_dimensions">
<span id="_CPPv214num_dimensions"></span><span id="num_dimensions__i"></span><span class="target" id="structharp__variable__struct_1a2e06601fd5ce25d007b482f73b72b927"></span>int <code class="descname">num_dimensions</code><br /></dt>
<dd><p>number of array dimensions </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv314dimension_type">
<span id="_CPPv214dimension_type"></span><span id="dimension_type__harp_dimension_typeA"></span><span class="target" id="structharp__variable__struct_1a1a7f4720ee5338bc757c90e190a46986"></span><a class="reference internal" href="libharp_general.html#_CPPv319harp_dimension_type" title="harp_dimension_type">harp_dimension_type</a> <code class="descname">dimension_type</code>[<code class="descname">HARP_MAX_NUM_DIMS</code>]<br /></dt>
<dd><p>type of each of the array dimensions </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv39dimension">
<span id="_CPPv29dimension"></span><span id="dimension__lA"></span><span class="target" id="structharp__variable__struct_1a96de81d17651a1ad4f4bd5c70f63943c"></span>long <code class="descname">dimension</code>[<code class="descname">HARP_MAX_NUM_DIMS</code>]<br /></dt>
<dd><p>length of each of the array dimensions </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv312num_elements">
<span id="_CPPv212num_elements"></span><span id="num_elements__l"></span><span class="target" id="structharp__variable__struct_1a5c03a9158f85d90543e517a189195c81"></span>long <code class="descname">num_elements</code><br /></dt>
<dd><p>total number of elements (equals product of array dimensions) </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv34data">
<span id="_CPPv24data"></span><span id="data__harp_array"></span><span class="target" id="structharp__variable__struct_1a5052decdedc45078e8a548381c27e9fd"></span><a class="reference internal" href="libharp_general.html#_CPPv310harp_array" title="harp_array">harp_array</a> <code class="descname">data</code><br /></dt>
<dd><p>array data of the variable </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv311description">
<span id="_CPPv211description"></span><span id="description__cP"></span><span class="target" id="structharp__variable__struct_1a8444d6e0dfe2bbab0b5e7b24308f1559"></span>char *<code class="descname">description</code><br /></dt>
<dd><p>corresponds to netCDF long_name </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv34unit">
<span id="_CPPv24unit"></span><span id="unit__cP"></span><span class="target" id="structharp__variable__struct_1a5a80171400807274a7fa9c95a104dc78"></span>char *<code class="descname">unit</code><br /></dt>
<dd><p>corresponds to netCDF units </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv39valid_min">
<span id="_CPPv29valid_min"></span><span id="valid_min__harp_scalar"></span><span class="target" id="structharp__variable__struct_1ab3a591ca80d228b55b5073296d7f3047"></span><a class="reference internal" href="libharp_general.html#_CPPv311harp_scalar" title="harp_scalar">harp_scalar</a> <code class="descname">valid_min</code><br /></dt>
<dd><p>corresponds to netCDF valid_min or valid_range[0] </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv39valid_max">
<span id="_CPPv29valid_max"></span><span id="valid_max__harp_scalar"></span><span class="target" id="structharp__variable__struct_1ab3b40d874754e5e166eb0238b36d74b6"></span><a class="reference internal" href="libharp_general.html#_CPPv311harp_scalar" title="harp_scalar">harp_scalar</a> <code class="descname">valid_max</code><br /></dt>
<dd><p>corresponds to netCDF valid_max or valid_range[1] </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv315num_enum_values">
<span id="_CPPv215num_enum_values"></span><span id="num_enum_values__i"></span><span class="target" id="structharp__variable__struct_1a65bfbb5ec39a6452d0a8b06c246ca978"></span>int <code class="descname">num_enum_values</code><br /></dt>
<dd><p>number of enumeration values (which map to values 0..N-1 in ‘data’) </p>
</dd></dl>
<dl class="member">
<dt id="_CPPv39enum_name">
<span id="_CPPv29enum_name"></span><span id="enum_name__cPP"></span><span class="target" id="structharp__variable__struct_1af08c4d0477b71a04af40fc8a644d2219"></span>char **<code class="descname">enum_name</code><br /></dt>
<dd><p>name of each enumeration value </p>
</dd></dl>
</div>
</dd></dl>
</dd></dl>
</div>
</div>
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