/*============================================================================= * * 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 */