><span class="special">,</span> <span class="number">52.373</span><span class="special">);</span>
    <span class="identifier">radian_point</span> <span class="identifier">r</span><span class="special">(</span><span class="number">0.041</span><span class="special">,</span> <span class="number">0.8527</span><span class="special">);</span>

    <span class="keyword">double</span> <span class="identifier">dist</span> <span class="special">=</span> <span class="identifier">distance</span><span class="special">(