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<title>Hardware Locality (hwloc): Helpers for consulting distance matrices</title>
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<div id="projectname">Hardware Locality (hwloc)
 <span id="projectnumber">2.4.1</span>
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<div class="title">Helpers for consulting distance matrices</div> </div>
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Functions</h2></td></tr>
<tr class="memitem:gab9e770c7d56c5d6040f26bd1dc8854cd"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00215.html#gab9e770c7d56c5d6040f26bd1dc8854cd">hwloc_distances_obj_index</a> (struct <a class="el" href="a00316.html">hwloc_distances_s</a> *distances, <a class="el" href="a00191.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> obj)</td></tr>
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<tr class="memitem:ga3c665b23056e3269f777b21a67148c82"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00215.html#ga3c665b23056e3269f777b21a67148c82">hwloc_distances_obj_pair_values</a> (struct <a class="el" href="a00316.html">hwloc_distances_s</a> *distances, <a class="el" href="a00191.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> obj1, <a class="el" href="a00191.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> obj2, hwloc_uint64_t *value1to2, hwloc_uint64_t *value2to1)</td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#gab9e770c7d56c5d6040f26bd1dc8854cd">◆ </a></span>hwloc_distances_obj_index()</h2>
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<td class="memname">static int hwloc_distances_obj_index </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="a00316.html">hwloc_distances_s</a> * </td>
<td class="paramname"><em>distances</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00191.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> </td>
<td class="paramname"><em>obj</em> </td>
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<td>)</td>
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<p>Find the index of an object in a distances structure. </p>
<dl class="section return"><dt>Returns</dt><dd>-1 if object <code>obj</code> is not involved in structure <code>distances</code>. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga3c665b23056e3269f777b21a67148c82">◆ </a></span>hwloc_distances_obj_pair_values()</h2>
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<td class="memname">static int hwloc_distances_obj_pair_values </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="a00316.html">hwloc_distances_s</a> * </td>
<td class="paramname"><em>distances</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="a00191.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> </td>
<td class="paramname"><em>obj1</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="a00191.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> </td>
<td class="paramname"><em>obj2</em>, </td>
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<td class="paramtype">hwloc_uint64_t * </td>
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<td class="paramtype">hwloc_uint64_t * </td>
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<p>Find the values between two objects in a distance matrices. </p>
<p>The distance from <code>obj1</code> to <code>obj2</code> is stored in the value pointed by <code>value1to2</code> and reciprocally.</p>
<dl class="section return"><dt>Returns</dt><dd>-1 if object <code>obj1</code> or <code>obj2</code> is not involved in structure <code>distances</code>. </dd></dl>
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