EE_Divide Class Reference

#include <evaluator_impl.h>

Inheritance diagram for EE_Divide:

Collaboration diagram for EE_Divide:

Public Member Functions
	EE_Divide (ExpressionElement *pEE1, ExpressionElement *pEE2)
	~EE_Divide (void)
TypedValue	Eval (void) const
std::ostream &	Output (std::ostream &out) const
Public Member Functions inherited from ExpressionElement
virtual	~ExpressionElement (void)

Private Attributes
ExpressionElement *	m_pEE1
ExpressionElement *	m_pEE2

Additional Inherited Members
Public Types inherited from ExpressionElement
enum	EEFlags { EE_NONE = 0x0U, EE_CONSTIFY = 0x1U, EE_OPTIMIZE = EE_CONSTIFY }
Static Public Member Functions inherited from ExpressionElement
static unsigned	GetFlags (void)
static void	SetFlag (EEFlags f)
static void	ClearFlag (EEFlags f)
static bool	IsFlag (EEFlags f)
Static Protected Attributes inherited from ExpressionElement
static unsigned	m_uEEFlags

Detailed Description

Definition at line 223 of file evaluator_impl.h.

Constructor & Destructor Documentation

EE_Divide::EE_Divide ( ExpressionElement *  pEE1, ExpressionElement *  pEE2  )

inline

Definition at line 228 of file evaluator_impl.h.

: m_pEE1(pEE1), m_pEE2(pEE2) {};

EE_Divide::~EE_Divide ( void  )

inline

Definition at line 229 of file evaluator_impl.h.

References m_pEE1, and m_pEE2.

{ delete m_pEE1; delete m_pEE2; };

Member Function Documentation

TypedValue EE_Divide::Eval ( void  ) const

inlinevirtual

Implements ExpressionElement.

Definition at line 233 of file evaluator_impl.h.

References ASSERT, ExpressionElement::Eval(), TypedValue::GetBool(), TypedValue::GetInt(), TypedValue::GetReal(), TypedValue::GetType(), m_pEE1, m_pEE2, TypedValue::VAR_BOOL, TypedValue::VAR_INT, and TypedValue::VAR_REAL.

        {
                TypedValue den = m_pEE2->Eval();
                if (den.GetType() == TypedValue::VAR_BOOL) {
                        ASSERT(den.GetBool() != 0);

                } else if (den.GetType() == TypedValue::VAR_INT) {
                        ASSERT(den.GetInt() != 0);

                } else if (den.GetType() == TypedValue::VAR_REAL) {
                        Real value = den.GetReal();
                        if (std::abs(value) < std::numeric_limits<double>::epsilon()) {
                                // need to throw exception over here
                                std::cout << "denominator cannot be zero" << std::endl;
                        }
                }

                return m_pEE1->Eval() / den;
        };

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std::ostream& EE_Divide::Output ( std::ostream &  out ) const

inlinevirtual

Implements ExpressionElement.

Definition at line 254 of file evaluator_impl.h.

References m_pEE1, m_pEE2, and ExpressionElement::Output().

        {
                return out << "(", m_pEE1->Output(out) << " / ", m_pEE2->Output(out) << ")";
        };

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Member Data Documentation

ExpressionElement* EE_Divide::m_pEE1

private

Definition at line 225 of file evaluator_impl.h.

Referenced by Eval(), Output(), and ~EE_Divide().

ExpressionElement * EE_Divide::m_pEE2

private

Definition at line 225 of file evaluator_impl.h.

Referenced by Eval(), Output(), and ~EE_Divide().

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The documentation for this class was generated from the following file:

• evaluator_impl.h