amespace_s_p_h.html">SPH</a></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;{</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="struct_s_p_h_1_1_s_p_h_body_particles_index.html">   41</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="struct_s_p_h_1_1_s_p_h_body_particles_index.html">SPHBodyParticlesIndex</a></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    {</div><div cl