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author | Tim Blechmann <timblech@users.sourceforge.net> | 2004-12-28 12:38:45 +0000 |
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committer | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 15:11:58 +0200 |
commit | 43dd4efedf1ecfe721cde5830bdcee67ffa48907 (patch) | |
tree | 2bc34fe60d8d6cc270626b11760f04e3730ae245 /chaos/src/latoomutbeta.hpp | |
parent | 6963657b3f3ee4321394953a2cc67cd7386cce2d (diff) |
a few new attractors ...
svn path=/trunk/externals/tb/; revision=2434
Diffstat (limited to 'chaos/src/latoomutbeta.hpp')
-rw-r--r-- | chaos/src/latoomutbeta.hpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/chaos/src/latoomutbeta.hpp b/chaos/src/latoomutbeta.hpp new file mode 100644 index 0000000..4940be1 --- /dev/null +++ b/chaos/src/latoomutbeta.hpp @@ -0,0 +1,83 @@ +// +// +// 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> + +// latoocarfian model, mutation beta: +// x1[n+1] = sin(x2[n]*b) + pow(sin(x1[n]*b),2) +// x2[n+1] = sin(x1[n]*a) + pow(sin(x2[n]*a),2) +// taken from Pickover: Chaos In Wonderland + +class latoomutbeta + : public map_base +{ +public: + latoomutbeta() + { + m_num_eq = 2; + m_data = new data_t[m_num_eq]; + + CHAOS_SYS_INIT(x1,0.5); + CHAOS_SYS_INIT(x2,0.5); + CHAOS_SYS_INIT(a,-0.966918); + CHAOS_SYS_INIT(b,2.879879); + } + + ~latoomutbeta() + { + delete m_data; + } + + virtual void m_step() + { + data_t x1 = m_data[0], x2 = m_data[1]; + data_t a = CHAOS_PARAMETER(a), b = CHAOS_PARAMETER(b); + data_t tmp; + + tmp = sin(x1*b); + m_data[0] = sin(x2*b) + tmp*tmp; + tmp = sin(x2*a); + m_data[1] = sin(x1*a) + tmp*tmp; + } + + CHAOS_SYSVAR_FUNCS(x1, 0); + CHAOS_SYSVAR_FUNCS(x2, 1); + + CHAOS_SYSPAR_FUNCS(a); + CHAOS_SYSPAR_FUNCS(b); +}; + + +#define LATOOMUTBETA_CALLBACKS \ +MAP_CALLBACKS; \ +CHAOS_SYS_CALLBACKS(x1); \ +CHAOS_SYS_CALLBACKS(x2); \ +CHAOS_SYS_CALLBACKS(a); \ +CHAOS_SYS_CALLBACKS(b); + + +#define LATOOMUTBETA_ATTRIBUTES \ +MAP_ATTRIBUTES; \ +CHAOS_SYS_ATTRIBUTE(x1); \ +CHAOS_SYS_ATTRIBUTE(x2); \ +CHAOS_SYS_ATTRIBUTE(a); \ +CHAOS_SYS_ATTRIBUTE(b); + |