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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]=RAND_m(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,"*")==14 then
exprs(9)=[],
end //compatiblity
while %t do
[ok,typ,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 matrix with equal sizes"],..
["Datatype(1=real double 2=complex)";"flag";"A";"B";"SEED"],..
list("vec",1,"vec",1,"mat",[-1 -2],"mat","[-1 -2]","mat",[1 2]),exprs)
if ~ok then
break,
end
if flag<>0&flag<>1 then
message("flag must be equal to 1 or 0")
else
out=size(a)
if typ==1 then
function_name="rndblk_m";
model.rpar=[real(a(:));real(b(:))]
model.dstate=[seed_c(1);0*real(a(:))]
ot=1
elseif typ==2 then
function_name="rndblkz_m";
ot=2
model.rpar=[real(a(:));imag(a(:));real(b(:));imag(b(:))]
model.dstate=[seed_c(:);0*[real(a(:));imag(a(:))]]
else
message("Datatype is not supported");
ok=%f;
end
if ok then
[model,graphics,ok]=set_io(model,graphics,list([],[]),list(out,ot),1,[])
if ok then
model.sim=list(function_name,4)
graphics.exprs=exprs
model.ipar=flag
x.graphics=graphics;
x.model=model
break
end
end
end
end
case "define" then
a=0
b=1
dt=0
flag=0
function_name="rndblk_m";
funtyp=4;
model=scicos_model()
model.sim=list(function_name,funtyp)
model.in=[]
model.in2=[]
model.intyp=[]
model.out=1
model.out2=1
model.outtyp=1
model.evtin=1
model.evtout=[]
model.state=[]
model.dstate=[int(rand()*(10^7-1));0*a(:)]
model.rpar=[a(:),b(:)]
model.ipar=flag
model.blocktype="d"
model.firing=[]
model.dep_ut=[%f %f]
exprs=[sci2exp(1);string(flag);sci2exp([a]);sci2exp([b]);sci2exp([model.dstate(1) int(rand()*(10^7-1))])]
gr_i=[]
x=standard_define([3 2],model,exprs,gr_i)
end
endfunction
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