</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;    <span class="keywordtype">implicit none</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;    <span class="keywordtype">private</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;    <span class="keywordtype">public</span> :: coulomb</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;    <span class="keyword