ntrol various bits of functionality:<br>
<br>
<table style="text-align: left;" border="1" cellpadding="2" cellspacing="2">
  <tbody>
    <tr>
      <td><span style="font-style: italic;">Variable</span><br>
      </td>
      <td><span style="font-style: italic;">Purpose</span><br>
      </td>
    </tr>
    <tr>
      <td><span style="font-family: monospace;">GMSL_NO_WARNINGS</span><br>
      </td>
      <td>If set prevents GMSL from outputting warning messages:
artithmetic functions generate underflow warnin