diff options
author | Tim Blechmann <timblech@users.sourceforge.net> | 2005-10-22 15:11:45 +0000 |
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committer | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 15:12:00 +0200 |
commit | ef53e19b3d9019b1b1f3345390f55ae9229ce390 (patch) | |
tree | 94f88a833fa9046c0af0800656bab4fa4bc7f9ab /chaos/src/linear_congruental.hpp | |
parent | 8fb0d8ac8ed684a2084769cb0986effec439626f (diff) |
cleanups and new system
svn path=/trunk/externals/tb/; revision=3750
Diffstat (limited to 'chaos/src/linear_congruental.hpp')
-rw-r--r-- | chaos/src/linear_congruental.hpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/chaos/src/linear_congruental.hpp b/chaos/src/linear_congruental.hpp new file mode 100644 index 0000000..bc3536a --- /dev/null +++ b/chaos/src/linear_congruental.hpp @@ -0,0 +1,68 @@ +// +// +// 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); + |