/* * moonpos.hxx (taken from XEarth) * kirk johnson * july 1993 * * code for calculating the position on the earth's surface for which * the sun is directly overhead (adapted from _practical astronomy * with your calculator, third edition_, peter duffett-smith, * cambridge university press, 1988.) * * RCS $Id$ * * Copyright (C) 1989, 1990, 1993, 1994, 1995 Kirk Lauritz Johnson * * Parts of the source code (as marked) are: * Copyright (C) 1989, 1990, 1991 by Jim Frost * Copyright (C) 1992 by Jamie Zawinski * * Permission to use, copy, modify and freely distribute xearth for * non-commercial and not-for-profit purposes is hereby granted * without fee, provided that both the above copyright notice and this * permission notice appear in all copies and in supporting * documentation. * * The author makes no representations about the suitability of this * software for any purpose. It is provided "as is" without express or * implied warranty. * * THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT * OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _MOONPOS_HXX #define _MOONPOS_HXX #ifndef __cplusplus # error This library requires C++ #endif #include "Include/compiler.h" #ifdef FG_HAVE_STD_INCLUDES # include #else # include #endif /* update the cur_time_params structure with the current moon position */ void fgUpdateMoonPos( void ); void fgMoonPosition(time_t ssue, double *lon, double *lat); #endif /* _MOONPOS_H */