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// 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] = INTEGRAL_m(job,arg1,arg2)
x=[];
y=[];
typ=[];
select job
case "set" then
x=arg1;
graphics=arg1.graphics;
exprs=graphics.exprs
model=arg1.model;
while %t do
[ok,x0,reinit,satur,maxp,lowp,exprs]=scicos_getvalue("Set Integral block parameters",..
["Initial Condition";
"With re-intialization (1:yes, 0:no)";"With saturation (1:yes, 0:no)";
"Upper limit";"Lower limit"],..
list("mat",[-1 -1],"vec",1,"vec",1,"mat",[-1 -1],"mat",[-1 -1]),exprs)
if ~ok then
break,
end
if isreal(x0) then
Datatype=1;
else
Datatype=2;
end;
if reinit<>0 then
reinit=1;
end
if satur<>0 then
satur=1;
if Datatype==1 then
if size(maxp,"*")==1 then
maxp=maxp*ones(x0),
end
if size(lowp,"*")==1 then
lowp=lowp*ones(x0),
end
if (size(x0)<>size(maxp) | size(x0)<>size(lowp)) then
message("x0 and Upper limit and Lower limit must have same size")
ok=%f
elseif or(maxp<=lowp) then
message("Upper limits must be > Lower limits")
ok=%f
elseif or(x0>maxp)|or(x0<lowp) then
message("Initial condition x0 should be inside the limits")
ok=%f
else
rpar=[real(maxp(:));real(lowp(:))]
model.nzcross=size(x0,"*")
model.nmode=size(x0,"*")
end
elseif (Datatype==2) then
if size(maxp,"*")==1 then
maxp=maxp*ones(x0)+%i*(maxp*ones(x0)),
end
if size(lowp,"*")==1 then
lowp=lowp*ones(x0)+%i*(lowp*ones(x0)),
end
if (size(x0)<>size(maxp) | size(x0)<>size(lowp)) then
message("x0 and Upper limit and Lower limit must have same size")
ok=%f
elseif or(real(maxp)<=real(lowp))| or(imag(maxp)<=imag(lowp)) then
message("Upper limits must be > Lower limits")
ok=%f
elseif or(real(x0)>real(maxp))|or(real(x0)<real(lowp))| or(imag(x0)>imag(maxp))|or(imag(x0)<imag(lowp)) then
message("Initial condition x0 should be inside the limits")
ok=%f
else
rpar=[real(maxp(:));real(lowp(:));imag(maxp(:));imag(lowp(:))]
model.nzcross=2*size(x0,"*")
model.nmode=2*size(x0,"*")
end
end
else
rpar=[]
model.nzcross=0
model.nmode=0
end
if ok then
model.rpar=rpar
if (Datatype==1) then
model.state=real(x0(:))
model.sim=list("integral_func",4)
it=[1;ones(reinit,1)]
ot=1;
elseif (Datatype==2) then
model.state=[real(x0(:));imag(x0(:))];
model.sim=list("integralz_func",4)
it=[2;2*ones(reinit,1)]
ot=2;
else
message("Datatype is not supported");
ok=%f;
end
if ok then
in=[size(x0,1)*[1;ones(reinit,1)],size(x0,2)*[1;ones(reinit,1)]]
out=size(x0)
[model,graphics,ok]=set_io(model,graphics,list(in,it),list(out,ot),ones(reinit,1),[])
end
end
if ok then
graphics.exprs=exprs
x.graphics=graphics;
x.model=model
break
end
end
case "define" then
maxp=1;
minp=-1;
rpar=[]
model=scicos_model()
model.state=0
model.sim=list("integral_func",4)
model.in=1
model.out=1
model.in2=1
model.out2=1
model.rpar=rpar
model.blocktype="c"
model.dep_ut=[%f %t]
exprs=string([0;0;0;maxp;minp])
gr_i=[]
x=standard_define([2 2],model,exprs,gr_i)
end
endfunction
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