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
|
// Scicos
//
// Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
//
// 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; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// See the file ../license.txt
//
function [x,y,typ]=RAND_f(job,arg1,arg2)
x=[];
y=[];
typ=[];
select job
case "set" then
x=arg1;
graphics=arg1.graphics;
exprs=graphics.exprs
model=arg1.model;
if size(exprs,"*")==5 then
exprs=exprs(1:3),
end //compatibility
if size(exprs,"*")==3 then
exprs=[exprs;string(model.dstate(1))],
end //compatibility
while %t do
[ok,flag,a,b,seed_c,exprs]=scicos_getvalue([
"Set Random generator block parameters";
"flag = 0 : Uniform distribution A is min and A+B max";
"flag = 1 : Normal distribution A is mean and B deviation";
" ";
"A and B must be vector with equal sizes";
"seed is the seed of random number generator (integer<2**31)"],..
["flag";"A";"B";"seed"],..
list("vec",1,"vec",-1,"vec","size(%2,''*'')","vec",1),exprs)
if ~ok then
break,
end
if flag<>0&flag<>1 then
message("flag must be equal to 1 or 0")
else
nout=size(a,"*")
graphics.exprs=exprs
model.out=nout
model.ipar=flag
model.rpar=[a(:);b(:)]
model.dstate=[seed_c;0*a(:)]
x.graphics=graphics;
x.model=model
break
end
end
case "define" then
a=0
b=1
dt=0
out=1
flag=0
model=scicos_model()
model.sim="rndblk"
model.out=out
model.evtin=1
model.dstate=[int(rand()*(10^7-1));0*a(:)]
model.rpar=[a(:);b(:)]
model.ipar=flag
model.blocktype="d"
model.dep_ut=[%f %f]
exprs=[string(flag);sci2exp(a(:));sci2exp(b(:));string(model.dstate(1))]
gr_i=[]
x=standard_define([3 2],model,exprs,gr_i)
end
endfunction
|
