&#160;        <span class="keywordflow">if</span> (isnan(<a class="code" href="group__orientation.html#gacd4a2942520b68691db5aebde4e537a4" title="Current Aircraft orientation.">orientation</a>.<a class="code" href="struct_angles.html#a1d3228afa3a1d6773954f40c1e519eb9" title="Roll Angle in Degrees.">roll</a>) || isnan(<a class="code" href="group__orientation.html#gacd4a2942520b68691db5aebde4e537a4" title="Current Aircraft orientation.">orientation</a>.<a class="code" href="struct_angles.html#a34c057a0378030d