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//static const char* sccsid = "@(#)Expr_Different.cxx 3.2 95/01/10"; // Do not delete this line. Used by sccs.
// Copyright: Matra-Datavision 1991
// File: Expr_Different.cxx
// Created: Mon Jun 10 17:50:47 1991
// Author: Arnaud BOUZY
// <adn>
#include <Expr_Different.ixx>
#include <Expr.hxx>
#include <Expr_GeneralExpression.hxx>
Expr_Different::Expr_Different (const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2)
{
SetFirstMember(exp1);
SetSecondMember(exp2);
}
Standard_Boolean Expr_Different::IsSatisfied () const
{
Handle(Expr_GeneralExpression) fm = FirstMember();
Handle(Expr_GeneralExpression) sm = SecondMember();
fm = fm->Simplified();
sm = sm->Simplified();
return (!fm->IsIdentical(sm));
}
Handle(Expr_GeneralRelation) Expr_Different::Simplified () const
{
Handle(Expr_GeneralExpression) fm = FirstMember();
Handle(Expr_GeneralExpression) sm = SecondMember();
return new Expr_Different(fm->Simplified(),sm->Simplified());
}
void Expr_Different::Simplify ()
{
Handle(Expr_GeneralExpression) fm = FirstMember();
Handle(Expr_GeneralExpression) sm = SecondMember();
SetFirstMember(fm->Simplified());
SetSecondMember(sm->Simplified());
}
Handle(Expr_GeneralRelation) Expr_Different::Copy () const
{
return new Expr_Different(Expr::CopyShare(FirstMember()),
Expr::CopyShare(SecondMember()));
}
TCollection_AsciiString Expr_Different::String() const
{
return FirstMember()->String() + " <> " + SecondMember()->String();
}
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