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Diffstat (limited to 'chaos/src/sine_map.hpp')
-rw-r--r-- | chaos/src/sine_map.hpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/chaos/src/sine_map.hpp b/chaos/src/sine_map.hpp new file mode 100644 index 0000000..d7043f4 --- /dev/null +++ b/chaos/src/sine_map.hpp @@ -0,0 +1,64 @@ +// +// +// 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); + + |