/*
 *   surf - visualizing algebraic curves and algebraic surfaces
 *   Copyright (C) 1996-1997 Friedrich-Alexander-Universitaet
 *                           Erlangen-Nuernberg
 *                 1997-2000 Johannes Gutenberg-Universitaet Mainz
 *   Authors: Stephan Endrass, Hans Huelf, Ruediger Oertel,
 *            Kai Schneider, Ralf Schmitt, Johannes Beigel
 *
 *   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.
 *
 */


#ifndef CLIPALGEBRAIC_H
#define CLIPALGEBRAIC_H

#include "def.h"
#include "polyarith.h"
#include "hornerarith.h"
#include "NewClip.h"

class NewClipAlgebraic : public NewClip
{
    public:

    int     clip_user_y  ( double uy );
    int     clip_user_xy ( double ux,double uy,double &zmin,double &zmax );
    int     clip_user_xyz( double uz );

    protected:

    polyxyz        p  [MAIN_CLIP_AMOUNT_NUM];
    hornerpolyxyz  *hp[MAIN_CLIP_AMOUNT_NUM];

    void    polyxyz_adjust( polyxyz *p );
};
#endif