trajectory.hpp

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/* Copyright (c) 2005-2009,2011,2013 Taneli Kalvas. All rights reserved.
 *
 * You can redistribute this software 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 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
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this library (file "COPYING" included in the package);
 * if not, write to the Free Software Foundation, Inc., 51 Franklin
 * Street, Fifth Floor, Boston, MA 02110-1301 USA
 * 
 * If you have questions about your rights to use or distribute this
 * software, please contact Berkeley Lab's Technology Transfer
 * Department at TTD@lbl.gov. Other questions, comments and bug
 * reports should be sent directly to the author via email at
 * taneli.kalvas@jyu.fi.
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 * NOTICE. This software was developed under partial funding from the
 * U.S.  Department of Energy.  As such, the U.S. Government has been
 * granted for itself and others acting on its behalf a paid-up,
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#ifndef TRAJECTORY_HPP
#define TRAJECTORY_HPP 1
 
 
#include <iostream>
#include <stdint.h>
 
 
enum trajectory_rep_e {
    TRAJ_EMPTY = 0,
    TRAJ_LINEAR,
    TRAJ_QUADRATIC,
    TRAJ_CUBIC
};
 
 
class TrajectoryRep1D {
 
    trajectory_rep_e _rep;
    double           _A, _B, _C, _D, _E;
 
    static bool in( double K, int extrapolate );
 
public:
 
    TrajectoryRep1D() : _rep(TRAJ_EMPTY) {}
 
    TrajectoryRep1D( double dt, double x1, double v1, double x2, double v2,
                     trajectory_rep_e force = TRAJ_EMPTY );
 
    ~TrajectoryRep1D() {}
 
    void construct( double dt, double x1, double v1, double x2, double v2,
                    trajectory_rep_e force = TRAJ_EMPTY );
 
    void coord( double &x, double &v, double K );
 
    int solve( double K[3], double x, int extrapolate = 0 );
 
    uint32_t get_representation_order( void ) const;
 
    void debug_print( std::ostream &os ) const;
};
 
 
#endif