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*=======================================================================
*
* WCSLIB 5.18 - an implementation of the FITS WCS standard.
* Copyright (C) 1995-2018, Mark Calabretta
*
* This file is part of WCSLIB.
*
* WCSLIB is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* WCSLIB is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with WCSLIB.  If not, see http://www.gnu.org/licenses.
*
* Direct correspondence concerning WCSLIB to mark@calabretta.id.au
*
* Author: Mark Calabretta, Australia Telescope National Facility, CSIRO.
* http://www.atnf.csiro.au/people/Mark.Calabretta
* $Id: wcsmath.inc,v 5.18 2018/01/10 08:32:14 mcalabre Exp $
*=======================================================================

*     The value used to represent an undefined parameter.
      DOUBLE PRECISION UNDEFINED
      PARAMETER (UNDEFINED = 987654321.0D99)