or.html">a FORTRAN77 version</a> and
      <a href = "../../f_src/xerror/xerror.html">a FORTRAN90 version</a>.
    </p>

    <h3 align = "center">
      Related Data and Programs:
    </h3>

    <p>
      <a href = "../../f_src/dqed/dqed.html">
      DQED</a>,
      a FORTRAN90 library which
      carries out constrained minimization, and
      which includes
      a version of the <b>XERROR</b> library.
    </p>

    <p>
      <a href = "../../f_src/dlap/dlap.html">
      DLAP</a>,
      a FORTRAN90 librar