blob: e2316ecdf2bd376a8914e34f87f50adc85b934f5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
//
//
// 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"
// gauss map: x[n+1] = 0 (for x[n] = 0)
// fmod(1 / x[n]) (else)
// 0 <= x[n] < 1
// taken from Willi-Hans Steeb: Chaos and Fractals
class gauss:
protected map_base
{
public:
gauss()
{
m_num_eq = 1;
m_data = new data_t[1];
set_x(0.5);
}
~gauss()
{
delete m_data;
}
virtual void m_step()
{
data_t data = m_data[0];
if (data == 0)
m_data[0] = 0;
else
m_data[0] = fmod(1.f / data);
}
void set_x(t_float f)
{
if ( (f >= 0) && (f < 1))
m_data[0] = (data_t) f;
else
post("value for x %f out of range", f);
}
t_float get_x()
{
return (t_float)m_data[0];
}
};
#define GAUSS_CALLBACKS \
MAP_CALLBACKS; \
FLEXT_CALLVAR_F(m_system->get_x, m_system->set_x);
#define GAUSS_ATTRIBUTES \
MAP_ATTRIBUTES; \
FLEXT_ADDATTR_VAR("x",m_system->get_x, m_system->set_x);
|
