/*============================================================================= * * WCSLIB - an implementation of the FITS WCS proposal. * Copyright (C) 1995-2002, 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., 51 Franklin Street,Fifth Floor, Boston, MA 02110-1301, 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 * $Id$ *============================================================================= * * This version of wcstrig.h is based on the version in wcslib-2.9, but has * been modified in the following ways by the Starlink project (e-mail: * ussc@star.rl.ac.uk): * - Changed the name of the WCSLIB_MATH macro to WCSLIB_MATH_INCLUDED *===========================================================================*/ #ifndef WCSLIB_MATH_INCLUDED #define WCSLIB_MATH_INCLUDED #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_INCLUDED */