0022904: Clean up sccsid variables
[occt.git] / src / Expr / Expr_LessThan.cxx
CommitLineData
7fd59977 1// Copyright: Matra-Datavision 1991
2// File: Expr_LessThan.cxx
3// Created: Thu Jun 13 13:50:04 1991
4// Author: Arnaud BOUZY
5// <adn>
6
7#include <Expr_LessThan.ixx>
8#include <Expr_NumericValue.hxx>
9#include <Expr.hxx>
10
11Expr_LessThan::Expr_LessThan (const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2)
12{
13 SetFirstMember(exp1);
14 SetSecondMember(exp2);
15}
16
17Standard_Boolean Expr_LessThan::IsSatisfied () const
18{
19 Handle(Expr_GeneralExpression) fm = FirstMember();
20 Handle(Expr_GeneralExpression) sm = SecondMember();
21 fm = fm->Simplified();
22 sm = sm->Simplified();
23 if (fm->IsKind(STANDARD_TYPE(Expr_NumericValue))) {
24 if (sm->IsKind(STANDARD_TYPE(Expr_NumericValue))) {
25 Handle(Expr_NumericValue) nfm = Handle(Expr_NumericValue)::DownCast(fm);
26 Handle(Expr_NumericValue) nsm = Handle(Expr_NumericValue)::DownCast(sm);
27 return (nfm->GetValue() < nsm->GetValue());
28 }
29 }
30 return Standard_False;
31}
32
33Handle(Expr_GeneralRelation) Expr_LessThan::Simplified () const
34{
35 Handle(Expr_GeneralExpression) fm = FirstMember();
36 Handle(Expr_GeneralExpression) sm = SecondMember();
37 return new Expr_LessThan(fm->Simplified(),sm->Simplified());
38}
39
40void Expr_LessThan::Simplify ()
41{
42 Handle(Expr_GeneralExpression) fm = FirstMember();
43 Handle(Expr_GeneralExpression) sm = SecondMember();
44 SetFirstMember(fm->Simplified());
45 SetSecondMember(sm->Simplified());
46}
47
48Handle(Expr_GeneralRelation) Expr_LessThan::Copy () const
49{
50 return new Expr_LessThan(Expr::CopyShare(FirstMember()),
51 Expr::CopyShare(SecondMember()));
52}
53
54TCollection_AsciiString Expr_LessThan::String() const
55{
56 return FirstMember()->String() + " < " + SecondMember()->String();
57}