1 files changed, 64 insertions, 0 deletions
diff --git a/chaos/src/sine_map.hpp b/chaos/src/sine_map.hpp
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+++ b/chaos/src/sine_map.hpp
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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"
+#include <cmath>
+
+//  sine map: x[n+1] = sin(pi * x)
+//                     0 <= x[n] <=  1
+//  taken from Willi-Hans Steeb: Chaos and Fractals
+
+class sine_map:
+	public map_base<1>
+{
+	
+public:
+	sine_map()
+	{
+		CHAOS_SYS_INIT(x,0,0);
+	}
+
+	~sine_map()
+	{
+		
+	}
+
+	void m_step()
+	{
+		m_data[0] = sin (M_PI * m_data[0]);
+	}
+
+	CHAOS_SYSVAR_FUNCS_PRED(x, 0, m_pred);
+
+	bool m_pred(t_float f)
+	{
+		return (f >= 0) && (f <= 1);
+	}
+};
+
+#define SINE_MAP_CALLBACKS						\
+MAP_CALLBACKS									\
+CHAOS_SYS_CALLBACKS(x);
+
+#define SINE_MAP_ATTRIBUTES						\
+MAP_ATTRIBUTES									\
+CHAOS_SYS_ATTRIBUTE(x);
+
+