RAND_m
function [x,y,typ]=RAND_m(job,arg1,arg2)
// Copyright INRIA
x=[];y=[];typ=[];
select job
case 'plot' then //normal position
standard_draw(arg1)
case 'getinputs' then
[x,y,typ]=standard_inputs(arg1)
case 'getoutputs' then
[x,y,typ]=standard_outputs(arg1)
case 'getorigin' then
[x,y]=standard_origin(arg1)
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]=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
junction_name='rndblk_m';
model.rpar=[real(a(:));real(b(:))]
model.dstate=[seed_c(1);0*real(a(:))]
ot=1
elseif typ==2 then
junction_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(junction_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
junction_name='rndblk_m';
funtyp=4;
model=scicos_model()
model.sim=list(junction_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=['txt=[''random'';''generator''];';
'xstringb(orig(1),orig(2),txt,sz(1),sz(2),''fill'')']
x=standard_define([3 2],model,exprs,gr_i)
end
endfunction