is returned or
        <code class="literal">ECPG_INFORMIX_BAD_EXPONENT</code> if this problem occurred while
        parsing the exponent.
       </p></dd><dt id="ECPG-INFORMIX-FUNCTIONS-DECCVDBL"><span class="term"><code class="function">deccvdbl</code></span> <a href="#ECPG-INFORMIX-FUNCTIONS-DECCVDBL" class="id_link">#</a></dt><dd><p>
        Convert a value of type double to a value of type decimal.
</p><pre class="synopsis">
int deccvdbl(double dbl, decimal *np);
</pre><p>
        The function receive