Provides a calculator for inline equations. More...

#include <InlineCalculator.h>

Inheritance diagram for Isis::InlineCalculator:

Collaboration diagram for Isis::InlineCalculator:

Public Member Functions
	InlineCalculator ()
	Constructs an InlineCalculator object by initializing the operator lookup list. More...

	InlineCalculator (const QString &equation)
	Constructs an InlineCalculator object by initializing the operator lookup list and compiles the given equation to prepare for evaluation. More...

virtual	~InlineCalculator ()
	Destroys the InlineCalculator object. More...

int	size () const
	Accesses the number of functions, operators, variables, and scalars to be executed. More...

QString	equation () const
	Accesses the string representation of the current equation, in postfix format. More...

bool	compile (const QString &equation)
	Compiles the given equation for evaluation. More...

QVector< double >	evaluate (CalculatorVariablePool *variablePool)
	Evaluate with a variable pool. More...

QVector< double >	evaluate ()
	Evaluate compiled equation with existing variable pool. More...

void	Negative ()
	Pops an element, negates it, then pushes the result. More...

void	Multiply ()
	Pops two elements, multiplies them, then pushes the product on the stack. More...

void	Add ()
	Pops two elements, adds them, then pushes the sum on the stack. More...

void	Subtract ()
	Pops two elements, subtracts them, then pushes the difference on the stack. More...

void	Divide ()
	Pops two, divides them, then pushes the quotient on the stack. More...

void	Modulus ()
	Pops two elements, mods them, then pushes the result on the stack. More...

void	Exponent ()
	Pops two elements, computes the power then pushes the result on the stack The exponent has to be a scalar. More...

void	SquareRoot ()
	Pop an element, compute its square root, then push the root on the stack. More...

void	AbsoluteValue ()
	Pop an element, compute its absolute value, then push the result on the stack. More...

void	Log ()
	Pop an element, compute its log, then push the result on the stack. More...

void	Log10 ()
	Pop an element, compute its base 10 log, then push the result on the stack. More...

void	LeftShift ()
	Pop the top element, then perform a left shift with zero fill. More...

void	RightShift ()
	Pop the top element, then perform a right shift with zero fill. More...

void	MinimumPixel ()
	Pop two elements, then push the minimum on a pixel by pixel basis back on the stack. More...

void	MaximumPixel ()
	Pop two elements, then push the maximum on a pixel by pixel basis back on the stack. More...

void	MinimumLine ()
	Pop one element, then push the minimum on the stack. More...

void	MaximumLine ()
	Pop one element, then push the maximum on the stack. More...

void	Minimum2 ()
	Not implemented in Calculator.cpp. More...

void	Maximum2 ()
	Not implemented in Calculator.cpp. More...

void	GreaterThan ()
	Pop two elements off the stack and compare them to see where one is greater than the other, then push the results on the stack. More...

void	LessThan ()
	Pop two elements off the stack and compare them to see where one is less than the other, then push the results on the stack. More...

void	Equal ()
	Pop two elements off the stack and compare them to see where one is equal to the other, then push the results on the stack. More...

void	LessThanOrEqual ()
	Pop two elements off the stack and compare them to see where one is less than or equal to the other, then push the results on the stack. More...

void	GreaterThanOrEqual ()
	Pop two elements off the stack and compare them to see where one is greater than or equal to the other, then push the results on the stack. More...

void	NotEqual ()
	Pop two elements off the stack and compare them to see where one is not equal to the other, then push the results on the stack. More...

void	And ()
	Pop two elements, AND them, then push the result on the stack. More...

void	Or ()
	Pop two elements, OR them, then push the result on the stack. More...

void	Sine ()
	Pops one element and push the sine. More...

void	Cosine ()
	Pops one element and push the cosine. More...

void	Tangent ()
	Pops one element and push the tangent. More...

void	Secant ()
	Pops one element and push the secant. More...

void	Cosecant ()
	Pops one element and push the cosecant. More...

void	Cotangent ()
	Pops one element and push the cotangent. More...

void	Arcsine ()
	Pops one element and push the arcsine. More...

void	Arccosine ()
	Pops one element and push the arccosine. More...

void	Arctangent ()
	Pops one element and push the arctangent. More...

void	Arctangent2 ()
	Pops two elements and push the arctangent. More...

void	SineH ()
	Pops one element and push the hyperbolic sine. More...

void	CosineH ()
	Pops one element and push the hyperbolic cosine. More...

void	TangentH ()
	Pops one element and push the hyperbolic tangent. More...

void	ArcsineH ()
	Pops one element and push the inverse hyperbolic sine. More...

void	ArccosineH ()
	Pops one element and push the inverse hyperbolic cosine. More...

void	ArctangentH ()
	Pops one element and push the inverse hyperbolic tangent. More...

void	Push (double scalar)
	Push a scalar onto the stack. More...

void	Push (Buffer &buff)
	Push a buffer onto the stack. More...

void	Push (QVector< double > &vect)
	Push a vector onto the stack. More...

QVector< double >	Pop (bool keepSpecials=false)
	Pop an element off the stack. More...

void	PrintTop ()
	Print the vector at the top of the stack. More...

bool	Empty ()
	Check if the stack is empty. More...

virtual void	Clear ()
	Clear out the stack. More...

Protected Types
typedef FxBinder *	FxTypePtr
	Defintion for a FxTypePtr, a pointer to a function binder (FxBinder) More...

Protected Member Functions
void	scalar (const QVariant &scalar)
	Pushes the given value onto the stack as a scalar. More...

void	variable (const QVariant &variable)
	Pushes the given value onto the stack as a variable. More...

void	floatModulus ()
	Pops the top two vectors off the current stack and performs the floatModulusOperator() on the corresponding components of these vectors. More...

void	radians ()
	Pops the top vector off the current stack and converts from degrees to radians. More...

void	degrees ()
	Pops the top vector off the current stack and converts from radians to degrees. More...

void	logicalOr ()
	Pops the top two vectors off the current stack and performs a logical or on each pair. More...

void	logicalAnd ()
	Pops the top two vectors off the current stack and performs a logical and on each pair. More...

void	pi ()
	Pushes the PI constant onto the current stack. More...

void	eConstant ()
	Pushes the Euler constant (e) onto the current stack. More...

virtual QString	toPostfix (const QString &equation) const
	Converts the given string from infix to postfix format. More...

bool	isScalar (const QString &scalar)
	Determines whether the given string contains a scalar value (i.e. More...

bool	isVariable (const QString &str)
	Determines whether the given string is a variable. More...

bool	fxExists (const QString &fxname) const
	Determines whether the given function name exists in the current function pool. More...

FxTypePtr	addFunction (FxTypePtr function)
	Adds a function to the function pool. More...

virtual bool	orphanTokenHandler (const QString &token)
	Default token handler if it is undefined during parsing/compilation. More...

void	PerformOperation (QVector< double > &results, QVector< double >::iterator arg1Start, QVector< double >::iterator arg1End, double operation(double))
	Performs the mathematical operations on each argument. More...

void	PerformOperation (QVector< double > &results, QVector< double >::iterator arg1Start, QVector< double >::iterator arg1End, QVector< double >::iterator arg2Start, QVector< double >::iterator arg2End, double operation(double, double))
	Performs the mathematical operation on each pair of arguments, or a set of agruments against a single argument. More...

int	StackSize ()
	Returns the current stack size. More...

Detailed Description

Provides a calculator for inline equations.

A calculator with the ability to parse infix equations with embedded variables and scalars, known as an inline equation.

Author: 2012-07-15 Kris Becker

Member Typedef Documentation

◆ FxTypePtr

typedef FxBinder* Isis::InlineCalculator::FxTypePtr

protected

Defintion for a FxTypePtr, a pointer to a function binder (FxBinder)

Constructor & Destructor Documentation

◆ InlineCalculator() [1/2]

Isis::InlineCalculator::InlineCalculator ( )

Constructs an InlineCalculator object by initializing the operator lookup list.

◆ InlineCalculator() [2/2]

Isis::InlineCalculator::InlineCalculator ( const QString & equation )

Constructs an InlineCalculator object by initializing the operator lookup list and compiles the given equation to prepare for evaluation.

Parameters

equation A string representing an equation in infix format.

References compile(), and equation().

◆ ~InlineCalculator()

Isis::InlineCalculator::~InlineCalculator ( )

virtual

Destroys the InlineCalculator object.

Member Function Documentation

◆ AbsoluteValue()

void Isis::Calculator::AbsoluteValue ( )

inherited

Pop an element, compute its absolute value, then push the result on the stack.

◆ Add()

void Isis::Calculator::Add ( )

inherited

Pops two elements, adds them, then pushes the sum on the stack.

References Isis::AddOperator().

◆ addFunction()

InlineCalculator::FxTypePtr Isis::InlineCalculator::addFunction ( InlineCalculator::FxTypePtr function )

protected

Adds a function to the function pool.

Once in the pool, functions cannot be overwritten. This method will throw an exception if we attempt to add a function with the same name as one already in the pool.

Parameters

function The function type pointer to be added to the pool

Returns: InlineCalculator::FxTypePtr The function type pointer that has been added to the pool.

Exceptions

IException::Programmer "Function operator exists! Cannot replace existing functions in the pool"

References _FILEINFO_, and Isis::IException::Programmer.

Referenced by compile().

◆ And()

void Isis::Calculator::And ( )

inherited

Pop two elements, AND them, then push the result on the stack.

References Isis::BitwiseAndOperator().

◆ Arccosine()

void Isis::Calculator::Arccosine ( )

inherited

Pops one element and push the arccosine.

◆ ArccosineH()

void Isis::Calculator::ArccosineH ( )

inherited

Pops one element and push the inverse hyperbolic cosine.

◆ Arcsine()

void Isis::Calculator::Arcsine ( )

inherited

Pops one element and push the arcsine.

◆ ArcsineH()

void Isis::Calculator::ArcsineH ( )

inherited

Pops one element and push the inverse hyperbolic sine.

◆ Arctangent()

void Isis::Calculator::Arctangent ( )

inherited

Pops one element and push the arctangent.

◆ Arctangent2()

void Isis::Calculator::Arctangent2 ( )

inherited

Pops two elements and push the arctangent.

◆ ArctangentH()

void Isis::Calculator::ArctangentH ( )

inherited

Pops one element and push the inverse hyperbolic tangent.

◆ Clear()

void Isis::Calculator::Clear ( )

virtualinherited

Clear out the stack.

Reimplemented in Isis::CubeCalculator.

Referenced by compile().

◆ compile()

bool Isis::InlineCalculator::compile ( const QString & equation )

Compiles the given equation for evaluation.

This method first converts the given infix equation into a postfix equation for evaluation and saves the postfix formatted string. It then ensures that the equation is ready for evaluation by parsing and verifying that all tokens are recognized.

Parameters

equation A string representing an equation to be compiled, in infix format.

Returns: bool Indicates whether the compilation was successful.

Exceptions

IException::User "Error parsing inline equation. Equation element invalid - token not recognized."

References _FILEINFO_, addFunction(), Isis::IException::append(), Isis::Calculator::Clear(), equation(), isScalar(), isVariable(), orphanTokenHandler(), scalar(), toPostfix(), Isis::IException::User, and variable().

Referenced by InlineCalculator().

◆ Cosecant()

void Isis::Calculator::Cosecant ( )

inherited

Pops one element and push the cosecant.

References Isis::CosecantOperator().

◆ Cosine()

void Isis::Calculator::Cosine ( )

inherited

Pops one element and push the cosine.

◆ CosineH()

void Isis::Calculator::CosineH ( )

inherited

Pops one element and push the hyperbolic cosine.

◆ Cotangent()

void Isis::Calculator::Cotangent ( )

inherited

Pops one element and push the cotangent.

References Isis::CotangentOperator().

◆ degrees()

void Isis::InlineCalculator::degrees ( )

protected

Pops the top vector off the current stack and converts from radians to degrees.

The result is then pushed back onto the stack.

References Isis::Calculator::Pop(), Isis::Calculator::Push(), and radians().

◆ Divide()

void Isis::Calculator::Divide ( )

inherited

Pops two, divides them, then pushes the quotient on the stack.

References Isis::DivideOperator().

◆ eConstant()

void Isis::InlineCalculator::eConstant ( )

protected

Pushes the Euler constant (e) onto the current stack.

References Isis::E, and Isis::Calculator::Push().

◆ Empty()

bool Isis::Calculator::Empty ( )

inherited

Check if the stack is empty.

Returns: bool True if the stack is empty

◆ Equal()

void Isis::Calculator::Equal ( )

inherited

Pop two elements off the stack and compare them to see where one is equal to the other, then push the results on the stack.

References Isis::EqualOperator().

◆ equation()

QString Isis::InlineCalculator::equation ( ) const

Accesses the string representation of the current equation, in postfix format.

This equation is most commonly entered using infix, but it is reformatted to postfix when set.

Returns: QString A string representing the equation, in postfix.

Referenced by compile(), InlineCalculator(), and toPostfix().

◆ evaluate() [1/2]

QVector< double > Isis::InlineCalculator::evaluate ( CalculatorVariablePool * variablePool )

Evaluate with a variable pool.

This method accepts a varible resource pool, stores it off for evaluation and then executes the operands to provide the result of the equation. It stores the variable pool for subsequent runs that should yield identical results when operator() is invoked.

Parameters

variablePool Keyword resource for variables substituted at run time of the equation

Returns: QVector < double > Result of the stored equation given the resource.

Exceptions

IException::Programmer "Calculation with variable pool failed."

References _FILEINFO_, evaluate(), and Isis::IException::Programmer.

◆ evaluate() [2/2]

QVector< double > Isis::InlineCalculator::evaluate ( )

Evaluate compiled equation with existing variable pool.

This executes the operands to provide the result of the equation. The currently stored variable pool, refernenced via variables(), is used to provide the variables utilized in the equation.

This is reentrant and as long as the variable pool is unchanged between succesive calls, they all should return the same result.

Returns: QVector < double > Result of the stored equation.

Exceptions

IException::Unknown "Too many operands in the equation."

References _FILEINFO_, Isis::Calculator::Pop(), Isis::Calculator::StackSize(), and Isis::IException::Unknown.

Referenced by evaluate().

◆ Exponent()

void Isis::Calculator::Exponent ( )

inherited

Pops two elements, computes the power then pushes the result on the stack The exponent has to be a scalar.

Exceptions

Isis::iException::Math

◆ floatModulus()

void Isis::InlineCalculator::floatModulus ( )

protected

Pops the top two vectors off the current stack and performs the floatModulusOperator() on the corresponding components of these vectors.

The result is then pushed back onto the stack.

References Isis::floatModulusOperator(), Isis::Calculator::PerformOperation(), Isis::Calculator::Pop(), and Isis::Calculator::Push().

◆ fxExists()

bool Isis::InlineCalculator::fxExists ( const QString & fxname ) const

protected

Determines whether the given function name exists in the current function pool.

Parameters

fxname A string containing the name of the function we are looking for in the pool.

Returns: bool Indicates whether the pool contains the given function.

◆ GreaterThan()

void Isis::Calculator::GreaterThan ( )

inherited

Pop two elements off the stack and compare them to see where one is greater than the other, then push the results on the stack.

References Isis::GreaterThanOperator().

◆ GreaterThanOrEqual()

void Isis::Calculator::GreaterThanOrEqual ( )

inherited

Pop two elements off the stack and compare them to see where one is greater than or equal to the other, then push the results on the stack.

References Isis::GreaterThanOrEqualOperator().

◆ isScalar()

bool Isis::InlineCalculator::isScalar ( const QString & scalar )

protected

Determines whether the given string contains a scalar value (i.e.

can be converted to a double precision value).

Parameters

scalar A string to be checked.

Returns: bool Indicates whether the given string is a scalar value.

References scalar(), and Isis::toDouble().

Referenced by compile(), and isVariable().

◆ isVariable()

bool Isis::InlineCalculator::isVariable ( const QString & str )

protected

Determines whether the given string is a variable.

If the string is empty or scalar, this method returns false. Otherwise, it is assumed to be a variable and this method returns true.

Parameters

str	A string to be checked.

Returns: bool Indicates whether the given string is a variable.

References isScalar().

Referenced by compile().

◆ LeftShift()

void Isis::Calculator::LeftShift ( )

inherited

Pop the top element, then perform a left shift with zero fill.

Exceptions

Isis::iException::Math

References _FILEINFO_.

◆ LessThan()

void Isis::Calculator::LessThan ( )

inherited

Pop two elements off the stack and compare them to see where one is less than the other, then push the results on the stack.

References Isis::LessThanOperator().

◆ LessThanOrEqual()

void Isis::Calculator::LessThanOrEqual ( )

inherited

Pop two elements off the stack and compare them to see where one is less than or equal to the other, then push the results on the stack.

References Isis::LessThanOrEqualOperator().

◆ Log()

void Isis::Calculator::Log ( )

inherited

Pop an element, compute its log, then push the result on the stack.

Exceptions

Isis::iException::Math

◆ Log10()

void Isis::Calculator::Log10 ( )

inherited

Pop an element, compute its base 10 log, then push the result on the stack.

◆ logicalAnd()

void Isis::InlineCalculator::logicalAnd ( )

protected

Pops the top two vectors off the current stack and performs a logical and on each pair.

Exceptions

IException::Unknown "Failed performing logical and operation, " "input vectors are of differnet lengths."

References _FILEINFO_, Isis::Calculator::Pop(), Isis::Calculator::Push(), and Isis::IException::Unknown.

◆ logicalOr()

void Isis::InlineCalculator::logicalOr ( )

protected

Pops the top two vectors off the current stack and performs a logical or on each pair.

Exceptions

IException::Unknown "Failed performing logical or operation, " "input vectors are of differnet lengths."

References _FILEINFO_, Isis::Calculator::Pop(), Isis::Calculator::Push(), and Isis::IException::Unknown.

◆ Maximum2()

void Isis::Calculator::Maximum2 ( )

inherited

Not implemented in Calculator.cpp.

◆ MaximumLine()

void Isis::Calculator::MaximumLine ( )

inherited

Pop one element, then push the maximum on the stack.

References Isis::IsSpecial().

◆ MaximumPixel()

void Isis::Calculator::MaximumPixel ( )

inherited

Pop two elements, then push the maximum on a pixel by pixel basis back on the stack.

References Isis::MaximumOperator().

◆ Minimum2()

void Isis::Calculator::Minimum2 ( )

inherited

Not implemented in Calculator.cpp.

◆ MinimumLine()

void Isis::Calculator::MinimumLine ( )

inherited

Pop one element, then push the minimum on the stack.

References Isis::IsSpecial().

◆ MinimumPixel()

void Isis::Calculator::MinimumPixel ( )

inherited

Pop two elements, then push the minimum on a pixel by pixel basis back on the stack.

References Isis::MinimumOperator().

◆ Modulus()

void Isis::Calculator::Modulus ( )

inherited

Pops two elements, mods them, then pushes the result on the stack.

References Isis::ModulusOperator().

◆ Multiply()

void Isis::Calculator::Multiply ( )

inherited

Pops two elements, multiplies them, then pushes the product on the stack.

References Isis::MultiplyOperator().

◆ Negative()

void Isis::Calculator::Negative ( )

inherited

Pops an element, negates it, then pushes the result.

References Isis::NegateOperator().

◆ NotEqual()

void Isis::Calculator::NotEqual ( )

inherited

Pop two elements off the stack and compare them to see where one is not equal to the other, then push the results on the stack.

References Isis::NotEqualOperator().

◆ Or()

void Isis::Calculator::Or ( )

inherited

Pop two elements, OR them, then push the result on the stack.

References Isis::BitwiseOrOperator().

◆ orphanTokenHandler()

bool Isis::InlineCalculator::orphanTokenHandler ( const QString & token )

protectedvirtual

Default token handler if it is undefined during parsing/compilation.

This method provides the default handling of an undefined token found while compiling an equation. Users may code their own handler that, for example, could provide additional further functionality.

If the virtualized reimplementation is unable to process it, it can throw an exception which will be caught, recorded and compiling will continue until all tokens are processed. If the optional implementation cannot handle it, return false from your version and an exception will be thrown for you.

Parameters

token Character representation of the token. This could be an undefined constant, function or soemthing else that occurs in the equation that is not resolved when this is called.

Returns: bool True if it is handled, false if it cannot (which is an error and an exception will be invoked).

Referenced by compile().

◆ PerformOperation() [1/2]

void Isis::Calculator::PerformOperation	(	QVector< double > &	results,
		QVector< double >::iterator	arg1Start,
		QVector< double >::iterator	arg1End,
		double	operationdouble
	)

protectedinherited

Performs the mathematical operations on each argument.

Parameters

results	[out] The results of the performed operation
arg1Start	The first argument to have the operation done on
arg1End	One argument beyond the final argument to have the operation done upon
operation	The operation to be done on all arguments

Referenced by floatModulus().

◆ PerformOperation() [2/2]

void Isis::Calculator::PerformOperation	(	QVector< double > &	results,
		QVector< double >::iterator	arg1Start,
		QVector< double >::iterator	arg1End,
		QVector< double >::iterator	arg2Start,
		QVector< double >::iterator	arg2End,
		double	operationdouble, double
	)

protectedinherited

Performs the mathematical operation on each pair of arguments, or a set of agruments against a single argument.

Parameters

results	[out] The results of the performed operation
arg1Start	The first of the primary argument to have the operation done on
arg1End	One arguement beyond the final primary argument to have the operation done upon
arg2Start	The first of the secondaty argument to have the operation done on
arg2End	One arguement beyond the final secondary argument to have the operation done upon
operation	The operation to be done on all pairs of arguments

References _FILEINFO_.

◆ pi()

void Isis::InlineCalculator::pi ( )

protected

Pushes the PI constant onto the current stack.

References Isis::Calculator::Push().

◆ Pop()

QVector< double > Isis::Calculator::Pop ( bool keepSpecials = false )

inherited

Pop an element off the stack.

Parameters

keepSpecials If true, special pixels will be preserved; otherwise, they will be mapped to double values

Returns: The top of the stack, which gets popped

References _FILEINFO_, Isis::Hrs, Isis::Lrs, and Isis::Null.

Referenced by degrees(), evaluate(), floatModulus(), logicalAnd(), logicalOr(), and radians().

◆ PrintTop()

void Isis::Calculator::PrintTop ( )

inherited

Print the vector at the top of the stack.

◆ Push() [1/3]

void Isis::Calculator::Push ( double scalar )

inherited

Push a scalar onto the stack.

Parameters

scalar The scalar that will be pushed on the stack

Referenced by degrees(), eConstant(), floatModulus(), logicalAnd(), logicalOr(), pi(), radians(), scalar(), and variable().

◆ Push() [2/3]

void Isis::Calculator::Push ( Buffer & buff )

inherited

Push a buffer onto the stack.

Parameters

buff	The buffer that will be pushed on the stack

References Isis::IsHisPixel(), Isis::IsHrsPixel(), Isis::IsLisPixel(), Isis::IsLrsPixel(), Isis::IsNullPixel(), Isis::IsSpecial(), and Isis::Buffer::size().

◆ Push() [3/3]

void Isis::Calculator::Push ( QVector< double > & vect )

inherited

Push a vector onto the stack.

Parameters

vect	The vector that will be pushed on the stack

◆ radians()

void Isis::InlineCalculator::radians ( )

protected

Pops the top vector off the current stack and converts from degrees to radians.

The result is then pushed back onto the stack.

References Isis::Calculator::Pop(), and Isis::Calculator::Push().

Referenced by degrees().

◆ RightShift()

void Isis::Calculator::RightShift ( )

inherited

Pop the top element, then perform a right shift with zero fill.

Exceptions

Isis::iException::Math

References _FILEINFO_.

◆ scalar()

void Isis::InlineCalculator::scalar ( const QVariant & scalar )

protected

Pushes the given value onto the stack as a scalar.

This method adds the given variant value to the stack as a scalar.

Parameters

scalar QVariant containing the scalar. Usually a QString.

References Isis::Calculator::Push(), and Isis::toDouble().

Referenced by compile(), and isScalar().

◆ Secant()

void Isis::Calculator::Secant ( )

inherited

Pops one element and push the secant.

References Isis::SecantOperator().

◆ Sine()

void Isis::Calculator::Sine ( )

inherited

Pops one element and push the sine.

◆ SineH()

void Isis::Calculator::SineH ( )

inherited

Pops one element and push the hyperbolic sine.

◆ size()

int Isis::InlineCalculator::size ( ) const

Accesses the number of functions, operators, variables, and scalars to be executed.

Returns: int The number of functions, operators, variables, and scalars stored in the Calculator.

◆ SquareRoot()

void Isis::Calculator::SquareRoot ( )

inherited

Pop an element, compute its square root, then push the root on the stack.

Exceptions

Isis::iException::Math

◆ StackSize()

int Isis::Calculator::StackSize ( )

protectedinherited

Returns the current stack size.

Get the current stack size.

Returns: int Number of arguments in the stack

Referenced by evaluate().

◆ Subtract()

void Isis::Calculator::Subtract ( )

inherited

Pops two elements, subtracts them, then pushes the difference on the stack.

References Isis::SubtractOperator().

◆ Tangent()

void Isis::Calculator::Tangent ( )

inherited

Pops one element and push the tangent.

◆ TangentH()

void Isis::Calculator::TangentH ( )

inherited

Pops one element and push the hyperbolic tangent.

◆ toPostfix()

QString Isis::InlineCalculator::toPostfix ( const QString & equation ) const

protectedvirtual

Converts the given string from infix to postfix format.

Parameters

equation A string representing an infix equation.

Returns: QString A string representing the given equation converted to postfix format.

References Isis::InfixToPostfix::convert(), and equation().

Referenced by compile().

◆ variable()

void Isis::InlineCalculator::variable ( const QVariant & variable )

protected

Pushes the given value onto the stack as a variable.

This method adds the given variant value to the stack as a variable.

Parameters

variable QVariant containing the name of the variable. Usually a QString.

Exceptions

IException::User "Could not find variable in variable pool."

References _FILEINFO_, Isis::CalculatorVariablePool::exists(), Isis::Calculator::Push(), Isis::IException::User, and Isis::CalculatorVariablePool::value().

Referenced by compile().

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

/usgs/pkgs/isis3.9.0_docs/ISIS3/isis/src/base/objs/InlineCalculator/InlineCalculator.h
/usgs/pkgs/isis3.9.0_docs/ISIS3/isis/src/base/objs/InlineCalculator/InlineCalculator.cpp

Public Member Functions

Protected Types

Protected Member Functions

Detailed Description

Member Typedef Documentation

◆ FxTypePtr

Constructor & Destructor Documentation

◆ InlineCalculator() [1/2]

◆ InlineCalculator() [2/2]

◆ ~InlineCalculator()

Member Function Documentation

◆ AbsoluteValue()

◆ Add()

◆ addFunction()

◆ And()

◆ Arccosine()

◆ ArccosineH()

◆ Arcsine()

◆ ArcsineH()

◆ Arctangent()

◆ Arctangent2()

◆ ArctangentH()

◆ Clear()

◆ compile()

◆ Cosecant()

◆ Cosine()

◆ CosineH()

◆ Cotangent()

◆ degrees()

◆ Divide()

◆ eConstant()

◆ Empty()

◆ Equal()

◆ equation()

◆ evaluate() [1/2]

◆ evaluate() [2/2]

◆ Exponent()

◆ floatModulus()

◆ fxExists()

◆ GreaterThan()

◆ GreaterThanOrEqual()

◆ isScalar()

◆ isVariable()

◆ LeftShift()

◆ LessThan()

◆ LessThanOrEqual()

◆ Log()

◆ Log10()

◆ logicalAnd()

◆ logicalOr()

◆ Maximum2()

◆ MaximumLine()

◆ MaximumPixel()

◆ Minimum2()

◆ MinimumLine()

◆ MinimumPixel()

◆ Modulus()

◆ Multiply()

◆ Negative()

◆ NotEqual()

◆ Or()

◆ orphanTokenHandler()

◆ PerformOperation() [1/2]

◆ PerformOperation() [2/2]

◆ pi()

◆ Pop()

◆ PrintTop()

◆ Push() [1/3]

◆ Push() [2/3]

◆ Push() [3/3]

◆ radians()

◆ RightShift()

◆ scalar()

◆ Secant()

◆ Sine()

◆ SineH()

◆ size()

◆ SquareRoot()

◆ StackSize()

◆ Subtract()