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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] = PRODUCT(job,arg1,arg2)
x=[];
y=[];
typ=[];
select job
case "set" then
x=arg1;
graphics=arg1.graphics
model=arg1.model
exprs=graphics.exprs
while %t do
[ok,sgn,exprs]=scicos_getvalue([" Set multiplication block parameters";
"(multiplication is set with + 1, division with -1)";""],...
"Number of inputs or sign vector",...
list("vec",-1),exprs)
if ~ok then
break,
end
sgn=sgn(:);
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
sgn=[]
nout=1
else
in=-ones(sgn,1)
sgn=ones(sgn,1)
nout=-1
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)
nout=-1
end
end
if ok then
[model,graphics,ok]=check_io(model,graphics,in,nout,[],[])
end
if ok then
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("product",4)
model.in=[-1;-1]
model.out=-1
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
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