ON_ArithmeticCalculator Class Reference

#include <opennurbs_parse.h>

Public Types
enum	ERROR_CONDITION {   no_error = 0, program_error = 1, invalid_expression_error = 2, divide_by_zero_error = 3,   overflow_error = 4 }

Public Member Functions
	ON_ArithmeticCalculator ()
	ON_ArithmeticCalculator (const ON_ArithmeticCalculator &)
	ON_ArithmeticCalculator (ON_ArithmeticCalculator &&)
bool	Add ()
	Enter an explicit addition operator whose operands are the previous value and the next value, where a value is a number, simple number, or parenthetic expression. More...
void	ClearAll ()
	Clear all status, values and expressions. More...
bool	Divide ()
	Enter an explicit division operator whose operands are the previous value and the next value, where a value is a number, simple number, or parenthetic expression. If the second value is zero, the calculator state is set to error. More...
ERROR_CONDITION	ErrorCondition () const
bool	Evaluate (double *value)
	Calculate the current value. More...
bool	ImpliedMultiplication () const
bool	LeftParenthesis ()
	Begin a parenthetic expression. More...
bool	Multiply ()
	Enter an explicit multiplication operator whose operands are the previous value and the next value, where a value is a number, simple number, or parenthetic expression. More...
bool	Number (double x)
	Enter a number that can be used as an implied multiplication operand when implied multiplication is enabled and appropriate. More...
ON_ArithmeticCalculator &	operator= (const ON_ArithmeticCalculator &)
ON_ArithmeticCalculator &	operator= (ON_ArithmeticCalculator &&)
unsigned int	ParenthesesDepth () const
bool	PendingImpliedMultiplication () const
bool	PendingUnaryMinus () const
bool	PendingUnaryOperation () const
bool	PendingUnaryPlus () const
bool	RightParenthesis ()
	End a parenthetic expression. More...
void	SetImpliedMultiplication (bool bEnable)
bool	SimpleNumber (double x)
	Enter a number that will never use implied multiplication. More...
bool	Subtract ()
	Enter an explicit subtraction operator whose operands are the previous value and the next value, where a value is a number, simple number, or parenthetic expression. More...
bool	UnaryMinus ()
	Enter an unary minus operator whose operand is the next number, simple number, or parenthetic expression. More...
bool	UnaryPlus ()
	Enter an unary plus operator whose operand is the next number, simple number, or parenthetic expression. More...

Member Enumeration Documentation

ERROR_CONDITION

enum ON_ArithmeticCalculator::ERROR_CONDITION

Enumerator
no_error
program_error
invalid_expression_error
divide_by_zero_error	The input expression does not make sense.
overflow_error	A calculation requested division by zero.

Constructor & Destructor Documentation

ON_ArithmeticCalculator() [1/3]

ON_ArithmeticCalculator::ON_ArithmeticCalculator

(

)

ON_ArithmeticCalculator() [2/3]

ON_ArithmeticCalculator::ON_ArithmeticCalculator

(

const ON_ArithmeticCalculator &

)

ON_ArithmeticCalculator() [3/3]

ON_ArithmeticCalculator::ON_ArithmeticCalculator

(

ON_ArithmeticCalculator &&

)

Member Function Documentation

Add()

bool ON_ArithmeticCalculator::Add

(

)

Enter an explicit addition operator whose operands are the previous value and the next value, where a value is a number, simple number, or parenthetic expression.

ClearAll()

void ON_ArithmeticCalculator::ClearAll

(

)

Clear all status, values and expressions.

Divide()

bool ON_ArithmeticCalculator::Divide

(

)

Enter an explicit division operator whose operands are the previous value and the next value, where a value is a number, simple number, or parenthetic expression. If the second value is zero, the calculator state is set to error.

ErrorCondition()

ERROR_CONDITION ON_ArithmeticCalculator::ErrorCondition

(

)

const

Evaluate()

bool ON_ArithmeticCalculator::Evaluate

(

double *

value

)

Calculate the current value.

ImpliedMultiplication()

bool ON_ArithmeticCalculator::ImpliedMultiplication

(

)

const

LeftParenthesis()

bool ON_ArithmeticCalculator::LeftParenthesis

(

)

Begin a parenthetic expression.

Multiply()

bool ON_ArithmeticCalculator::Multiply

(

)

Enter an explicit multiplication operator whose operands are the previous value and the next value, where a value is a number, simple number, or parenthetic expression.

Number()

bool ON_ArithmeticCalculator::Number

(

double

x

)

Enter a number that can be used as an implied multiplication operand when implied multiplication is enabled and appropriate.

operator=() [1/2]

ON_ArithmeticCalculator& ON_ArithmeticCalculator::operator=

(

const ON_ArithmeticCalculator &

)

operator=() [2/2]

ON_ArithmeticCalculator& ON_ArithmeticCalculator::operator=

(

ON_ArithmeticCalculator &&

)

ParenthesesDepth()

unsigned int ON_ArithmeticCalculator::ParenthesesDepth

(

)

const

Returns

The current number of parenthetic expressions that are not completed.

PendingImpliedMultiplication()

bool ON_ArithmeticCalculator::PendingImpliedMultiplication

(

)

const

Returns

True if an implied multiplication will be applied to the next number or parenthetical expression.

PendingUnaryMinus()

bool ON_ArithmeticCalculator::PendingUnaryMinus

(

)

const

Returns

True if a unary minus is pending and will be applied to the next number or parenthetical expression.

PendingUnaryOperation()

bool ON_ArithmeticCalculator::PendingUnaryOperation

(

)

const

Returns

True if a unary plus or unary minus is pending

PendingUnaryPlus()

bool ON_ArithmeticCalculator::PendingUnaryPlus

(

)

const

Returns

True if a unary plus is pending and will be applied to the next number or parenthetical expression.

RightParenthesis()

bool ON_ArithmeticCalculator::RightParenthesis

(

)

End a parenthetic expression.

SetImpliedMultiplication()

void ON_ArithmeticCalculator::SetImpliedMultiplication

(

bool

bEnable

)

SimpleNumber()

bool ON_ArithmeticCalculator::SimpleNumber

(

double

x

)

Enter a number that will never use implied multiplication.

Subtract()

bool ON_ArithmeticCalculator::Subtract

(

)

Enter an explicit subtraction operator whose operands are the previous value and the next value, where a value is a number, simple number, or parenthetic expression.

UnaryMinus()

bool ON_ArithmeticCalculator::UnaryMinus

(

)

Enter an unary minus operator whose operand is the next number, simple number, or parenthetic expression.

UnaryPlus()

bool ON_ArithmeticCalculator::UnaryPlus

(

)

Enter an unary plus operator whose operand is the next number, simple number, or parenthetic expression.