ass="el" href="structkinematics_1_1quaternion.html#ae495ca28982932c800229d8958f142a9">invert</a>=&gt; quaternion_invert</td><td class="entry"><a class="el" href="structkinematics_1_1quaternion.html">kinematics::quaternion</a></td><td class="entry"></td></tr>
  <tr class="even"><td class="entry"><a class="el" href="structkinematics_1_1quaternion.html#ae15b8e906073f05f61c02d78336f4c05">magnitude</a>=&gt; quaternion_magnitude</td><td class="entry"><a class="el" href="structkinematics_1_1quaternion.html">kinema