EE_Power Class Reference

#include <evaluator_impl.h>

Inheritance diagram for EE_Power:

Collaboration diagram for EE_Power:

Public Member Functions
	EE_Power (ExpressionElement *pEE1, ExpressionElement *pEE2)
	~EE_Power (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 494 of file evaluator_impl.h.

Constructor & Destructor Documentation

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

inline

Definition at line 499 of file evaluator_impl.h.

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

EE_Power::~EE_Power ( void  )

inline

Definition at line 500 of file evaluator_impl.h.

References m_pEE1, and m_pEE2.

{ delete m_pEE1; delete m_pEE2; };

Member Function Documentation

TypedValue EE_Power::Eval ( void  ) const

inlinevirtual

Implements ExpressionElement.

Definition at line 503 of file evaluator_impl.h.

References a, ExpressionElement::Eval(), TypedValue::GetInt(), TypedValue::GetReal(), TypedValue::GetType(), m_pEE1, m_pEE2, MBDYN_EXCEPT_ARGS, grad::pow(), TypedValue::VAR_BOOL, TypedValue::VAR_INT, and TypedValue::VAR_STRING.

        {
                TypedValue a = m_pEE1->Eval();
                TypedValue b = m_pEE2->Eval();
                if (a.GetType() == TypedValue::VAR_STRING || b.GetType() == TypedValue::VAR_STRING) {
                        silent_cerr(" power undefined between string " << a << " and " << b << std::endl);
                        throw ErrGeneric(MBDYN_EXCEPT_ARGS);

                } else if ((a.GetType() == TypedValue::VAR_INT && b.GetType() == TypedValue::VAR_INT)
                        || (a.GetType() == TypedValue::VAR_BOOL && b.GetType() == TypedValue::VAR_BOOL))
                {
                        Real value = std::pow(a.GetInt(), b.GetInt());
                        if (Real(Int(value)) != value) {
                                silent_cerr(" power(" << a.GetInt() << ", " << b.GetInt() << ") overflows (use explicit/implicit cast?)" << std::endl);
                                throw ErrGeneric(MBDYN_EXCEPT_ARGS);
                        }
                        return value;

                } else {
                        return std::pow(a.GetReal(), b.GetReal());
                }
        };

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

inlinevirtual

Implements ExpressionElement.

Definition at line 527 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_Power::m_pEE1

private

Definition at line 496 of file evaluator_impl.h.

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

ExpressionElement * EE_Power::m_pEE2

private

Definition at line 496 of file evaluator_impl.h.

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

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

• evaluator_impl.h