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<section id="data-types">
<h1>Data types</h1>
<p>HARP defines the following data types. See sections <a class="reference internal" href="netcdf3.html"><span class="doc">netCDF-3</span></a>, <a class="reference internal" href="hdf4.html"><span class="doc">HDF4</span></a>, and <a class="reference internal" href="hdf5.html"><span class="doc">HDF5</span></a>
for a detailed description of how these data types are mapped to and from the data types supported by each file format.</p>
<table class="docutils align-default">
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<col style="width: 18%" />
<col style="width: 57%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>HARP data type</p></th>
<th class="head"><p>C data type</p></th>
<th class="head"><p>bits</p></th>
<th class="head"><p>sign</p></th>
<th class="head"><p>range</p></th>
<th class="head"><p>description</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>int8</p></td>
<td><p>int8_t</p></td>
<td><p>8</p></td>
<td><p>signed</p></td>
<td><p>[-128, 127]</p></td>
<td><p>signed 8-bit integer type (two’s complement representation)</p></td>
</tr>
<tr class="row-odd"><td><p>int16</p></td>
<td><p>int16_t</p></td>
<td><p>16</p></td>
<td><p>signed</p></td>
<td><p>[-32768, 32767]</p></td>
<td><p>signed 16-bit integer type (two’s complement representation)</p></td>
</tr>
<tr class="row-even"><td><p>int32</p></td>
<td><p>int32_t</p></td>
<td><p>32</p></td>
<td><p>signed</p></td>
<td><p>[-2147483648, 2147483647]</p></td>
<td><p>signed 32-bit integer type (two’s complement representation)</p></td>
</tr>
<tr class="row-odd"><td><p>float</p></td>
<td><p>float</p></td>
<td><p>32</p></td>
<td><p>signed</p></td>
<td><p>[-3.4E38, 3.4E38]</p></td>
<td><p>IEEE754 single-precision binary floating-point format (on supported platforms)</p></td>
</tr>
<tr class="row-even"><td><p>double</p></td>
<td><p>double</p></td>
<td><p>64</p></td>
<td><p>signed</p></td>
<td><p>[-1.7E308, 1.7E308]</p></td>
<td><p>IEEE754 double-precision binary floating-point format (on supported platforms)</p></td>
</tr>
<tr class="row-odd"><td><p>string</p></td>
<td><p>char*</p></td>
<td></td>
<td></td>
<td></td>
<td><p>null-terminated ASCII string</p></td>
</tr>
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