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// 
//  
//  chaos~
//  Copyright (C) 2004  Tim Blechmann
//  
//  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; see the file COPYING.  If not, write to
//  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
//  Boston, MA 02111-1307, USA.

#include "map_base.hpp"

//  tent map: x[n+1] = A*x[n] + B mod C
//
//  taken from Julien C. Sprott, Chaos and Time-Series Analysis

class linear_congruental:
	public map_base
{
public:
	linear_congruental():
		map_base(1)
	{
		CHAOS_SYS_INIT(x, 0, 0);
		
		CHAOS_PAR_INIT(A, 1741);
		CHAOS_PAR_INIT(B, 54773);
		CHAOS_PAR_INIT(C, 259200);
	}

	virtual void m_step()
	{
		data_t x = m_data[0];

		m_data[0] = chaos_mod( CHAOS_PARAMETER(A) * x + CHAOS_PARAMETER(B), CHAOS_PARAMETER(C));
	}

	CHAOS_SYSVAR_FUNCS(x,0);

	CHAOS_SYSPAR_FUNCS(A);
	CHAOS_SYSPAR_FUNCS(B);
	CHAOS_SYSPAR_FUNCS(C);
};

#define LINEAR_CONGRUENTAL_CALLBACKS			\
MAP_CALLBACKS;									\
CHAOS_SYS_CALLBACKS(A);							\
CHAOS_SYS_CALLBACKS(B);							\
CHAOS_SYS_CALLBACKS(C);							\
CHAOS_SYS_CALLBACKS(x);

#define LINEAR_CONGRUENTAL_ATTRIBUTES			\
MAP_ATTRIBUTES;									\
CHAOS_SYS_ATTRIBUTE(A);							\
CHAOS_SYS_ATTRIBUTE(B);							\
CHAOS_SYS_ATTRIBUTE(C);							\
CHAOS_SYS_ATTRIBUTE(x);