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DESCRIPTION</h2>
<p>This function converts a string to a DOUBLEPRECISION numeric value.</p>
<p>The intrinsics INT(3f), REAL(3f), and DBLE(3f) are also extended to take CHARACTER variables. The KIND= keyword is not supported on the extensions. </p>
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OPTIONS</h2>
<pre class="fragment"> string   holds string assumed to represent a numeric value
 ierr     If an error occurs the program is stopped if the optional
          parameter IER