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function [x,y,typ]=EXPBLK_f(job,arg1,arg2)
// Copyright INRIA
x=[];y=[];typ=[];
select job
case 'plot' then
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(2);label=graphics(4)
model=arg1(3);
if size(label,'*')==2 then label=label(2),end
while %t do
[ok,a,label]=getvalue('Set a^u block parameters',..
'a (>0)',list('vec',1),label)
if ~ok then break,end
if or(a<=0) then
message('a^u : a must be positive')
else
graphics(4)=label
model(8)=a;
x(2)=graphics;x(3)=model
break
end
end
x(3)(11)=[] //compatibility
case 'define' then
in=1
a=%e
model=list('expblk',-1,-1,[],[],[],[],%e,[],'c',[],[%t %f],' ',list())
label=[string(in);'%e']
gr_i=['xstringb(orig(1),orig(2),''a^u'',sz(1),sz(2),''fill'');']
x=standard_define([2 2],model,label,gr_i)
end
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