// sattool - visual satellite tracking and prediction tool.
// Copyright 2000 Tom Rothamel <tom-idbg@onegeek.org>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  

/*
 *  COLA -- a satellite close-approach finder
 *  Copyright (C) 1996 Matthew Francey
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *   This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  Send bugs reports, comments, critique, etc, to mdf@angoss.com.
 */
#ifndef	VECTOR_H
#define	VECTOR_H
#ifdef	__cplusplus
extern "C" {
#endif

extern	double	*cross(double *, double *);
extern	double	 dot(double *, double *);
extern	double	 len(double *);
extern	double	*norm(double *);
extern	double	*copy(double *, double *);
extern  void     yrot(double *, double, double);
extern  void     zrot(double *, double, double);
	
#ifdef	__cplusplus
};
#endif
#endif