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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] = 1 - 2*abs(x[n])
// -1 < x[n] < 1
// taken from Julien C. Sprott, Strange Attractors: Creating Patterns in Chaos
class tent_map:
public map_base
{
public:
tent_map():
map_base(1)
{
CHAOS_SYS_INIT(x, 0.6,0);
}
~tent_map()
{
}
virtual void m_step()
{
data_t data = m_data[0];
m_data[0] = 1 - 2*CHAOS_ABS(data);
}
CHAOS_SYSVAR_FUNCS_PRED(x, 0, m_pred_x);
bool m_pred_x(t_float f)
{
return (f > -1) && (f < 1);
}
};
#define TENT_MAP_CALLBACKS \
MAP_CALLBACKS \
CHAOS_SYS_CALLBACKS(x);
#define TENT_MAP_ATTRIBUTES \
MAP_ATTRIBUTES \
CHAOS_SYS_ATTRIBUTE(x);
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