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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] = RELATIONALOP(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,1)==2 then
exprs=[exprs;sci2exp(1)];
end
while %t do
[ok,rule,zcr,Datatype,exprs]=scicos_getvalue("Set parameters",..
["Operator: == (0), ~= (1), < (2), <= (3), > (4), >= (5)";..
"Use zero crossing (no: 0), (yes: 1)"
"Datatype (1=double 3=int32 ...)"],..
list("vec",1,"vec",1,"vec",1),exprs)
if ~ok then
break,
end
rule=int(rule);
if zcr<>0 then
zcr=1,
end
if (rule<0)|(rule>5) then
message("Incorrect operator "+string(rule)+" ; must be 0 to 5.")
ok=%f;
end
if (Datatype==1) then
model.sim=list("relational_op",4)
elseif (Datatype==3|Datatype==9) then
model.sim=list("relational_op_i32",4)
elseif(Datatype==4) then
model.sim=list("relational_op_i16",4)
elseif(Datatype==5) then
model.sim=list("relational_op_i8",4)
elseif(Datatype==6) then
model.sim=list("relational_op_ui32",4)
elseif(Datatype==7) then
model.sim=list("relational_op_ui16",4)
elseif(Datatype==8) then
model.sim=list("relational_op_ui8",4)
else
message("Datatype is not supported");
ok=%f;
end
if ok then
it=Datatype*ones(1,2)
ot=Datatype
in=[-1 -2;-1 -2]
out=[-1 -2]
[model,graphics,ok]=set_io(model,graphics,list(in,it),list(out,ot),[],[])
end
if ok then
if rule == 0 then
label = "==";
elseif rule == 1 then
label = "~=";
elseif rule == 2 then
label = "<"; // <
elseif rule == 3 then
label = "≤"; // <=
elseif rule == 4 then
label = ">"; // >
elseif rule == 5 then
label = "≥"; // >=
end
graphics.exprs=exprs;
graphics.style=["fontSize=13;fontStyle=1;displayedLabel="+label];
model.ipar=[rule],
model.nzcross=zcr,
model.nmode=zcr,
x.graphics=graphics;
x.model=model
break
end
end
case "define" then
ipar=[2]
label="<";
model=scicos_model()
model.sim=list("relationalop",4)
model.in=[1;1]
model.out=1
model.ipar=ipar
model.blocktype="c"
model.dep_ut=[%t %f]
exprs=[string(ipar);string(0)]
gr_i=[]
x=standard_define([2 2],model,exprs,gr_i)
x.graphics.style=["fontSize=13;fontStyle=1;displayedLabel="+label];
end
endfunction
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