/*=============================================================================
*
*   WCSLIB - an implementation of the FITS WCS proposal.
*   Copyright (C) 1995-1999, Mark Calabretta
*
*   This library is free software; you can redistribute it and/or modify it
*   under the terms of the GNU Library General Public License as published
*   by the Free Software Foundation; either version 2 of the License, or (at
*   your option) any later version.
*
*   This library 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 Library
*   General Public License for more details.
*
*   You should have received a copy of the GNU Library General Public License
*   along with this library; if not, write to the Free Software Foundation,
*   Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*   Correspondence concerning WCSLIB may be directed to:
*      Internet email: mcalabre@atnf.csiro.au
*      Postal address: Dr. Mark Calabretta,
*                      Australia Telescope National Facility,
*                      P.O. Box 76,
*                      Epping, NSW, 2121,
*                      AUSTRALIA
*
*   Author: Mark Calabretta, Australia Telescope National Facility
*   $Id: wcstrig.h,v 1.1.1.1 2002/03/15 16:33:26 bertin Exp $
*===========================================================================*/
#ifndef WCSLIB_TRIG
#define WCSLIB_TRIG

#ifdef __cplusplus
extern "C" {
#endif

#if !defined(__STDC__) && !defined(__cplusplus)
#ifndef const
#define const
#endif
#endif

#if __STDC__ || defined(__cplusplus)
#ifdef HAVE_MATHIMF_H
#define wcs_cosd cosd
#define wcs_sind sind
#define wcs_tand tand
#define wcs_acosd acosd
#define wcs_asind asind
#define wcs_atand atand
#define wcs_atan2d atan2d
#else
   double wcs_cosd(const double);
   double wcs_sind(const double);
   double wcs_tand(const double);
   double wcs_acosd(const double);
   double wcs_asind(const double);
   double wcs_atand(const double);
   double wcs_atan2d(const double, const double);
#endif
#else
   double wcs_cosd();
   double wcs_sind();
   double wcs_tand();
   double wcs_acosd();
   double wcs_asind();
   double wcs_atand();
   double wcs_atan2d();
#endif

/* Domain tolerance for asin and acos functions. */
#define WCSTRIG_TOL 1e-10
#endif /* TRIGD */

#ifdef __cplusplus
};

#endif /* WCSLIB_TRIG */