-
Notifications
You must be signed in to change notification settings - Fork 31
/
nonlinear.c
211 lines (191 loc) · 3.92 KB
/
nonlinear.c
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
/*
COPYRIGHT (C) 2016 Roberto Bucher (roberto.bucher@supsi.ch)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <pyblock.h>
#include <math.h>
#include <string.h>
void absV(int Flag, python_block *block)
{
int i;
double *y;
double *u;
switch(Flag){
case CG_OUT:
case CG_INIT:
case CG_END:
for(i=0;i<block->nin;i++){
u = (double *) block->u[i];
y = (double *) block->y[i];
y[0] = fabs(u[0]);
}
break;
default:
break;
}
}
void saturation(int Flag, python_block *block)
{
double out;
double satP = block->realPar[0];
double satN = block->realPar[1];
double * u = (double *) block->u[0];
double * y = (double *) block->y[0];
switch(Flag){
case CG_OUT:
case CG_INIT:
case CG_END:
out = u[0];
if (out > satP) out = satP;
if (out < satN) out = satN;
y[0] = out;
break;
default:
break;
}
}
void prod(int Flag, python_block *block)
{
int i;
double *y;
double *u;
y = (double *) block->y[0];
switch(Flag){
case CG_OUT:
case CG_INIT:
case CG_END:
y[0] = 1.0;
for (i=0;i<block->nin;i++){
u = (double *) block->u[i];
y[0] *= u[0];
}
break;
default:
break;
}
}
void lut(int Flag, python_block *block)
{
int i;
double *y = block->y[0];
double *u = block->u[0];
switch(Flag){
case CG_INIT:
case CG_END:
break;
case CG_OUT:
y[0] = block->realPar[0];
for(i=1;i<block->intPar[0];i++){
y[0] = y[0]*u[0] + block->realPar[i];
}
break;
default:
break;
}
}
void deadzone(int Flag, python_block *block)
{
double start = block->realPar[0];
double end = block->realPar[1];
double * u = (double *) block->u[0];
double * y = (double *) block->y[0];
switch(Flag){
case CG_OUT:
case CG_INIT:
case CG_END:
if ((u[0] >= start) && (u[0] <= end)) y[0] = 0.0;
else y[0] = u[0];
break;
default:
break;
}
}
void trigo(int Flag, python_block *block)
{
int i;
double *y;
double *u;
switch(Flag){
case CG_OUT:
case CG_INIT:
case CG_END:
u = (double *) block->u[0];
y = (double *) block->y[0];
switch(block->intPar[0]){
case 1:
y[0] = sin(u[0]);
break;
case 2:
y[0] = cos(u[0]);
break;
case 3:
y[0] = tan(u[0]);
break;
default:
y[0]=u[0];
break;
}
default:
break;
}
}
void rel(int Flag, python_block *block)
{
double *y;
double *in1 = block->u[0];
double *in2 = block->u[1];
int u1 = (int) in1[0];
int u2 = (int) in2[0];
y = (double *) block->y[0];
switch(Flag){
case CG_OUT:
case CG_INIT:
case CG_END:
if (strcmp(block->str, "==") == 0)
{
if (u1 == u2) y[0] = 1;
else y[0] = 0;
}
else if((strcmp(block->str, "!=") == 0))
{
if (u1 != u2) y[0] = 1;
else y[0] = 0;
}
else if((strcmp(block->str, ">=") == 0))
{
if (u1 >= u2) y[0] = 1;
else y[0] = 0;
}
else if((strcmp(block->str, "<=") == 0))
{
if (u1 <= u2) y[0] = 1;
else y[0] = 0;
}
else if((strcmp(block->str, ">") == 0))
{
if (u1 > u2) y[0] = 1;
else y[0] = 0;
}
else if((strcmp(block->str, "<") == 0))
{
if (u1 < u2) y[0] = 1;
else y[0] = 0;
}
else
{
y[0] = 0;
}
default:
break;
}
}