wcsmath.h

/*=============================================================================
*
*   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: wcsmath.h,v 1.1.1.1 2002/03/15 16:33:26 bertin Exp $
*===========================================================================*/

#ifndef WCSLIB_MATH
#define WCSLIB_MATH

#ifdef PI
#undef PI
#endif

#ifdef D2R
#undef D2R
#endif

#ifdef R2D
#undef R2D
#endif

#ifdef SQRT2
#undef SQRT2
#endif

#ifdef SQRT2INV
#undef SQRT2INV
#endif

#define PI 3.141592653589793238462643
#define D2R (PI/180.0)
#define R2D (180.0/PI)
#define SQRT2 1.4142135623730950488
#define SQRT2INV (1.0/SQRT2)

#endif /* WCSLIB_MATH */