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//static const char* sccsid = "@(#)Expr_GreaterThan.cxx 3.2 95/01/10"; // Do not delete this line. Used by sccs.
// Copyright: Matra-Datavision 1991
// File: Expr_GreaterThan.cxx
// Created: Thu Jun 13 10:20:34 1991
// Author: Arnaud BOUZY
// <adn>
#include <Expr_GreaterThan.ixx>
#include <Expr_NumericValue.hxx>
#include <Expr.hxx>
Expr_GreaterThan::Expr_GreaterThan (const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2)
{
SetFirstMember(exp1);
SetSecondMember(exp2);
}
Standard_Boolean Expr_GreaterThan::IsSatisfied () const
{
Handle(Expr_GeneralExpression) fm = FirstMember();
Handle(Expr_GeneralExpression) sm = SecondMember();
fm = fm->Simplified();
sm = sm->Simplified();
if (fm->IsKind(STANDARD_TYPE(Expr_NumericValue))) {
if (sm->IsKind(STANDARD_TYPE(Expr_NumericValue))) {
Handle(Expr_NumericValue) nfm = Handle(Expr_NumericValue)::DownCast(fm);
Handle(Expr_NumericValue) nsm = Handle(Expr_NumericValue)::DownCast(sm);
return (nfm->GetValue() > nsm->GetValue());
}
}
return Standard_False;
}
Handle(Expr_GeneralRelation) Expr_GreaterThan::Simplified () const
{
Handle(Expr_GeneralExpression) fm = FirstMember();
Handle(Expr_GeneralExpression) sm = SecondMember();
return new Expr_GreaterThan(fm->Simplified(),sm->Simplified());
}
void Expr_GreaterThan::Simplify ()
{
Handle(Expr_GeneralExpression) fm = FirstMember();
Handle(Expr_GeneralExpression) sm = SecondMember();
SetFirstMember(fm->Simplified());
SetSecondMember(sm->Simplified());
}
Handle(Expr_GeneralRelation) Expr_GreaterThan::Copy () const
{
return new Expr_GreaterThan(Expr::CopyShare(FirstMember()),
Expr::CopyShare(SecondMember()));
}
TCollection_AsciiString Expr_GreaterThan::String() const
{
return FirstMember()->String() + " > " + SecondMember()->String();
}
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