[occt.git] / src / Expr / Expr_LessThanOrEqual.cxx

// Copyright: 	Matra-Datavision 1991
// File:	Expr_LessThanOrEqual.cxx
// Created:	Thu Jun 13 13:51:12 1991
// Author:	Arnaud BOUZY
//		<adn>

#include <Expr_LessThanOrEqual.ixx>
#include <Expr_NumericValue.hxx>
#include <Expr.hxx>

Expr_LessThanOrEqual::Expr_LessThanOrEqual (const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2)
{
  SetFirstMember(exp1);
  SetSecondMember(exp2);
}

Standard_Boolean Expr_LessThanOrEqual::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_LessThanOrEqual::Simplified () const
{
  Handle(Expr_GeneralExpression) fm = FirstMember();
  Handle(Expr_GeneralExpression) sm = SecondMember();
  return new Expr_LessThanOrEqual(fm->Simplified(),sm->Simplified());
}

void Expr_LessThanOrEqual::Simplify ()
{
  Handle(Expr_GeneralExpression) fm = FirstMember();
  Handle(Expr_GeneralExpression) sm = SecondMember();
  SetFirstMember(fm->Simplified());
  SetSecondMember(sm->Simplified());
}

Handle(Expr_GeneralRelation) Expr_LessThanOrEqual::Copy () const
{
  return new Expr_LessThanOrEqual(Expr::CopyShare(FirstMember()),
				  Expr::CopyShare(SecondMember()));
}

TCollection_AsciiString Expr_LessThanOrEqual::String() const
{
  return FirstMember()->String() + " <= " + SecondMember()->String();
}
Commit	Line	Data
7fd59977	1	// Copyright: Matra-Datavision 1991
	2	// File: Expr_LessThanOrEqual.cxx
	3	// Created: Thu Jun 13 13:51:12 1991
	4	// Author: Arnaud BOUZY
	5	// <adn>
	6
	7	#include <Expr_LessThanOrEqual.ixx>
	8	#include <Expr_NumericValue.hxx>
	9	#include <Expr.hxx>
	10
	11	Expr_LessThanOrEqual::Expr_LessThanOrEqual (const Handle(Expr_GeneralExpression)& exp1, const Handle(Expr_GeneralExpression)& exp2)
	12	{
	13	SetFirstMember(exp1);
	14	SetSecondMember(exp2);
	15	}
	16
	17	Standard_Boolean Expr_LessThanOrEqual::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
	33	Handle(Expr_GeneralRelation) Expr_LessThanOrEqual::Simplified () const
	34	{
	35	Handle(Expr_GeneralExpression) fm = FirstMember();
	36	Handle(Expr_GeneralExpression) sm = SecondMember();
	37	return new Expr_LessThanOrEqual(fm->Simplified(),sm->Simplified());
	38	}
	39
	40	void Expr_LessThanOrEqual::Simplify ()
	41	{
	42	Handle(Expr_GeneralExpression) fm = FirstMember();
	43	Handle(Expr_GeneralExpression) sm = SecondMember();
	44	SetFirstMember(fm->Simplified());
	45	SetSecondMember(sm->Simplified());
	46	}
	47
	48	Handle(Expr_GeneralRelation) Expr_LessThanOrEqual::Copy () const
	49	{
	50	return new Expr_LessThanOrEqual(Expr::CopyShare(FirstMember()),
	51	Expr::CopyShare(SecondMember()));
	52	}
	53
	54	TCollection_AsciiString Expr_LessThanOrEqual::String() const
	55	{
	56	return FirstMember()->String() + " <= " + SecondMember()->String();
	57	}