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
|
// 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]=SUMMATION(job,arg1,arg2)
x=[];
y=[];
typ=[];
select job
case "set" then
x=arg1;
graphics=arg1.graphics
model=arg1.model
exprs=graphics.exprs
if size(exprs,1)==1 then
exprs=[sci2exp(1);exprs;sci2exp(0)];
elseif size(exprs,1)==2 then
exprs=[exprs;sci2exp(0)];
end
while %t do
[ok,Datatype,sgn,satur,exprs]=scicos_getvalue("Set sum block parameters",..
["Datatype (1=real double 2=complex 3=int32 ...)";..
"Number of inputs or sign vector (of +1, -1)";..
"Do on Overflow(0=Nothing 1=Saturate 2=Error)"],..
list("vec",1,"vec",-1,"vec",1),exprs)
if ~ok then
break,
end
sgn=sgn(:);
if (satur~=0&satur~=1&satur~=2) then
message("Do on overflow must be 0,1,2");
ok=%f;
end
if size(sgn,1)==1 then
if sgn<1 then
message("Number of inputs must be > 0")
ok=%f
elseif sgn==1 then
in=-1;in2=-2
sgn=[]
nout=1;nout2=1
else
in=-ones(sgn,1);
in2=2*in
sgn=ones(sgn,1)
nout=-1;nout2=-2
end
else
if ~and(abs(sgn)==1) then
message("Signs can only be +1 or -1")
ok=%f
else
in=-ones(size(sgn,1),1);
in2=2*in
nout=-1;nout2=-2
end
end
it=Datatype*ones(1,size(in,1));
ot=Datatype;
if Datatype==1 then
model.sim=list("summation",4)
elseif Datatype==2 then
model.sim=list("summation_z",4)
elseif ((Datatype<1) |(Datatype>8)) then
message("Datatype is not supported");ok=%f;
else
if satur==0 then
if Datatype==3 then
model.sim=list("summation_i32n",4)
elseif Datatype==4 then
model.sim=list("summation_i16n",4)
elseif Datatype==5 then
model.sim=list("summation_i8n",4)
elseif Datatype==6 then
model.sim=list("summation_ui32n",4)
elseif Datatype==7 then
model.sim=list("summation_ui16n",4)
elseif Datatype==8 then
model.sim=list("summation_ui8n",4)
end
elseif satur==1 then
if Datatype==3 then
model.sim=list("summation_i32s",4)
elseif Datatype==4 then
model.sim=list("summation_i16s",4)
elseif Datatype==5 then
model.sim=list("summation_i8s",4)
elseif Datatype==6 then
model.sim=list("summation_ui32s",4)
elseif Datatype==7 then
model.sim=list("summation_ui16s",4)
elseif Datatype==8 then
model.sim=list("summation_ui8s",4)
end
elseif satur==2 then
if Datatype==3 then
model.sim=list("summation_i32e",4)
elseif Datatype==4 then
model.sim=list("summation_i16e",4)
elseif Datatype==5 then
model.sim=list("summation_i8e",4)
elseif Datatype==6 then
model.sim=list("summation_ui32e",4)
elseif Datatype==7 then
model.sim=list("summation_ui16e",4)
elseif Datatype==8 then
model.sim=list("summation_ui8e",4)
end
end
end
if ok then
[model,graphics,ok]=set_io(model,graphics,...
list([in,in2],it),...
list([nout,nout2],ot),[],[])
end
if ok then
model.rpar=satur;
model.ipar=sgn
graphics.exprs=exprs
x.graphics=graphics;
x.model=model
break
end
end
case "define" then
sgn=[1;-1]
model=scicos_model()
model.sim=list("summation",4)
model.in=[-1;-1]
model.out=-1
model.in2=[-2;-2]
model.out2=-2
model.ipar=sgn
model.blocktype="c"
model.dep_ut=[%t %f]
exprs=sci2exp(sgn)
gr_i=[]
x=standard_define([2 3],model, exprs,gr_i)
end
endfunction
|
