UVarCalcOper Class Reference

#include <uvarcalc.h>

Public Member Functions
bool	evaluateD ()
bool	evaluateOperator (const char *line, const char *start, const char **end, char *errorTxt, const int errorTextCnt, bool syntaxCheck)
	decode an operator More...
bool	evaluateV ()
double	getValue ()
UVariable *	getVar () const
void	insertOperator (UVarCalcOper *oper)
void	inverseValue ()
void	negateValue ()
void	print (const char *preStr)
void	remVar ()
void	setValue (double value, const char *line, const char *start)
void	setValue (UVariable *val, bool asLocal, const char *line, const char *start)
	UVarCalcOper ()
	~UVarCalcOper ()

Public Attributes
UVarCalcOper *	left
int	num
	value as UVariable structure More...
UVarCalcOper *	parent
UVarCalcOper *	right

Protected Member Functions
void	evaluateMinusD ()
void	evaluateMinusV ()
const char *	getOperStr ()
bool	isRem (const char *r)

Protected Attributes
bool	evalud
int	oper
const char *	operLine
int	operPos
int	priority
double	value
int	valueType
UVariable *	var
bool	varLocal

Detailed Description

A waiting operator

Constructor & Destructor Documentation

UVarCalcOper::UVarCalcOper

(

)

constructor

References evalud, left, oper, operLine, operPos, priority, right, var, and varLocal.

UVarCalcOper::~UVarCalcOper

(

)

destructor

References var, and varLocal.

Member Function Documentation

bool UVarCalcOper::evaluateD

(

)

evaluate using double values

References evaluateD(), evaluateMinusD(), evalud, left, oper, operLine, operPos, right, and value.

Referenced by evaluateD(), UVarCalc::evaluateD(), evaluateMinusD(), UVarCalc::evaluateParametersD(), UVarCalc::evaluateToStringD(), and UVarCalc::evaluateUnaryValD().

void UVarCalcOper::evaluateMinusD ( )

protected

convert all minus operators to + by changing sign of the first right value or convert division to multiplication by a 1/value operation

References evaluateD(), evaluateMinusD(), evalud, left, oper, priority, right, and value.

Referenced by evaluateD(), evaluateMinusD(), and remVar().

void UVarCalcOper::evaluateMinusV ( )

protected

convert all minus operators to + by changing sign of the first right value or convert division to multiplication by a 1/value operation (no good for vectors)

References evaluateMinusV(), evaluateV(), evalud, inverseValue(), left, negateValue(), oper, priority, and right.

Referenced by evaluateMinusV(), evaluateV(), and remVar().

bool UVarCalcOper::evaluateOperator	(	const char *	line,
		const char *	start,
		const char **	end,
		char *	errorTxt,
		const int	errorTextCnt,
		bool	syntaxCheck
	)

decode an operator

Parameters

line	is the original line to decode
start	is the position where to search for the operator
end	returns the next unused character after the operator.

Returns

true if an operator is found.

References isRem(), oper, operLine, and priority.

Referenced by UVarCalc::evaluateD(), and UVarCalc::evaluateV().

bool UVarCalcOper::evaluateV

(

)

evaluate using var values

References evaluateMinusV(), evaluateV(), evalud, left, oper, operLine, operPos, right, UVariable::setBinaryAnd(), UVariable::setBinaryOr(), UVariable::setBinaryShiftLeft(), UVariable::setBinaryShiftRight(), UVariable::setBinaryXor(), UVariable::setDiff(), UVariable::setDivide(), UVariable::setEq(), UVariable::setGe(), UVariable::setGt(), UVariable::setLe(), UVariable::setLogicalAnd(), UVariable::setLogicalOr(), UVariable::setLt(), UVariable::setModulo(), UVariable::setNe(), UVariable::setPlus(), UVariable::setPow(), UVariable::setProduct(), value, var, and varLocal.

Referenced by evaluateMinusV(), UVarCalc::evaluateParametersV(), UVarCalc::evaluateToStringV(), UVarCalc::evaluateUnaryValV(), evaluateV(), and UVarCalc::evaluateV().

const char * UVarCalcOper::getOperStr ( )

protected

Returns

operator as string

References oper.

Referenced by print(), and remVar().

double UVarCalcOper::getValue ( )

inline

Get value

References value.

Referenced by UVarCalc::evaluateD().

UVariable* UVarCalcOper::getVar ( ) const

inline

Get pointer to value variable

References var.

Referenced by UVarCalc::evaluateV().

void UVarCalcOper::insertOperator

(

UVarCalcOper *

oper

)

insert an new operator relative to this

References insertOperator(), left, oper, parent, priority, and right.

Referenced by UVarCalc::evaluateD(), UVarCalc::evaluateV(), and insertOperator().

void UVarCalcOper::inverseValue

(

)

Do an element-wise inverse of the variable

References UVariable::inverse(), var, and varLocal.

Referenced by evaluateMinusV(), and remVar().

bool UVarCalcOper::isRem ( const char *  r )

protected

Is the string at this position a remark? A remark starts at a '#', a ';' or a '//'

Returns

true if a remark starts here.

Referenced by evaluateOperator(), and remVar().

void UVarCalcOper::negateValue

(

)

Do an element-wise negation of the variable

References UVariable::negate(), var, and varLocal.

Referenced by evaluateMinusV(), and remVar().

void UVarCalcOper::print

(

const char *

preStr

)

Set a UVariable value in this operator structure print the operator status

References evalud, getOperStr(), left, oper, print(), right, and value.

Referenced by print().

void UVarCalcOper::remVar ( )

inline

remove var structure

References evaluateMinusD(), evaluateMinusV(), getOperStr(), inverseValue(), isRem(), negateValue(), var, and varLocal.

Referenced by UVarCalc::evaluateV().

void UVarCalcOper::setValue	(	double	value,
		const char *	line,
		const char *	start
	)

set base values

References evalud, operLine, operPos, priority, and value.

Referenced by UVarCalc::evaluateD(), and UVarCalc::evaluateV().

void UVarCalcOper::setValue	(	UVariable *	val,
		bool	asLocal,
		const char *	line,
		const char *	start
	)

Set value for this operator

Parameters

val	is the source value
asLocal	should operator take resoncibility for deletion of variable?
line	source line for variable
start	position of evaluation

References UVariable::copy(), evalud, operLine, operPos, priority, var, and varLocal.

Member Data Documentation

bool UVarCalcOper::evalud

protected

Evaluated

Referenced by evaluateD(), evaluateMinusD(), evaluateMinusV(), evaluateV(), print(), setValue(), and UVarCalcOper().

UVarCalcOper* UVarCalcOper::left

operator string left side value

Referenced by evaluateD(), evaluateMinusD(), evaluateMinusV(), evaluateV(), insertOperator(), print(), and UVarCalcOper().

int UVarCalcOper::num

value as UVariable structure

Referenced by UVarCalc::evaluateV().

int UVarCalcOper::oper

protected

operator

Referenced by evaluateD(), evaluateMinusD(), evaluateMinusV(), evaluateOperator(), evaluateV(), getOperStr(), insertOperator(), print(), and UVarCalcOper().

const char* UVarCalcOper::operLine

protected

operation line

Referenced by evaluateD(), evaluateOperator(), evaluateV(), setValue(), and UVarCalcOper().

int UVarCalcOper::operPos

protected

operator position in string

Referenced by evaluateD(), evaluateV(), setValue(), and UVarCalcOper().

UVarCalcOper* UVarCalcOper::parent

parent operator

Referenced by UVarCalc::evaluateD(), UVarCalc::evaluateV(), and insertOperator().

int UVarCalcOper::priority

protected

Priority 1 boolean, 2 addition, 3 mult, 4 exp

Referenced by evaluateMinusD(), evaluateMinusV(), evaluateOperator(), insertOperator(), setValue(), and UVarCalcOper().

UVarCalcOper* UVarCalcOper::right

right side value

Referenced by evaluateD(), UVarCalc::evaluateD(), evaluateMinusD(), evaluateMinusV(), evaluateV(), UVarCalc::evaluateV(), insertOperator(), print(), and UVarCalcOper().

double UVarCalcOper::value

protected

Value after evaluation

Referenced by evaluateD(), evaluateMinusD(), UVarCalc::evaluateToStringD(), UVarCalc::evaluateToStringV(), UVarCalc::evaluateUnaryValV(), evaluateV(), getValue(), UVarCalc::getValueAnyV(), UVarCalc::getVariableAny(), print(), and setValue().

int UVarCalcOper::valueType

protected

Value type 1=bool, 2=int, 3=double, 4=variable

UVariable* UVarCalcOper::var

protected

Value as variable reference

Referenced by evaluateV(), getVar(), inverseValue(), negateValue(), remVar(), setValue(), UVarCalcOper(), and ~UVarCalcOper().

bool UVarCalcOper::varLocal

protected

Is the variable locally created - and thus should be deleted

Referenced by evaluateV(), inverseValue(), negateValue(), remVar(), setValue(), UVarCalcOper(), and ~UVarCalcOper().

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

• uvarcalc.h
• uvarcalc.cpp