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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 = "&#60;"; // <
+ elseif rule == 3 then
+ label = "&#8804;"; // <=
+ elseif rule == 4 then
+ label = "&#62;"; // >
+ elseif rule == 5 then
+ label = "&#8805;"; // >=
+ 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="&lt";
+ 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