This class represents a sum of Expression objects. More...

Collaboration diagram for jscicalc.expression.Sum:

Public Member Functions
	Sum (Expression expression)
	Construct a Sum.
	Sum ()
	Construct a Sum.
Sum	add (Complex z)
	Add a Complex to this.
Sum	clone ()
	Create a copy of this Sum.
boolean	isNegative ()
	Indicate whether or not expression is negative.
jscicalc.StringArray	toHTMLSubString (int maxChars, int precision, final Base base, final Notation notation, double polarFactor)
	Function to create an HTML string representation of the Sum.
jscicalc.StringArray	toHTMLParenString (int maxChars, int precision, final Base base, final Notation notation, double polarFactor)
OObject	add (Product x)
	Add a Product to this.
OObject	add (Sum x)
	Add a sum to this.
Sum	negate ()
	Get the negative of this.
OObject	unBox ()
	Return either this or the first expression in this if this is just a container for a single object.
int	compareTo (Sum sum)
	The comparison operator.
OObject	auto_simplify ()
	Simplify a Sum expression.
OObject	substitute (jscicalc.Substitution substitution)
Static Public Member Functions
static void	main (String[] args)
Package Functions
OObject	multiply (Sum t)
	Multiply this by a Sum t: that is, find this * t.
Private Member Functions
OObject	rMultiply (OObject o)
	Right multiply this by o: that is, find this * o.

Detailed Description

This class represents a sum of Expression objects.

expression.

See also:: OObject

Author:: J. D. Lamb

Version:

Revision:: 1.6

Constructor & Destructor Documentation

jscicalc.expression.Sum.Sum ( Expression expression )

Construct a Sum.

Parameters:

expression

The expression from which to construct the Sum.

References jscicalc.expression.SumOrProduct.complex, and jscicalc.expression.SumOrProduct.expressionList.

jscicalc.expression.Sum.Sum ( )

Construct a Sum.

References jscicalc.expression.SumOrProduct.complex, and jscicalc.expression.SumOrProduct.expressionList.

Referenced by jscicalc.expression.Sum.clone(), jscicalc.expression.Sum.main(), jscicalc.expression.Sum.multiply(), jscicalc.expression.Sum.negate(), and jscicalc.expression.Sum.rMultiply().

Member Function Documentation

Sum jscicalc.expression.Sum.add ( Complex z )

Add a Complex to this.

Parameters:

z

The complex to add

Returns:: The sum

References jscicalc.complex.Complex.add(), jscicalc.expression.Sum.clone(), and jscicalc.expression.SumOrProduct.complex.

Referenced by jscicalc.OObject.add().

OObject jscicalc.expression.Sum.add ( Product x )

Add a Product to this.

Parameters:

x

The addend

Returns:: The sum of this and x.

References jscicalc.complex.Complex.add(), jscicalc.expression.Sum.clone(), jscicalc.expression.SumOrProduct.complex, jscicalc.expression.SumOrProduct.expressionList, and jscicalc.expression.Product.unBox().

OObject jscicalc.expression.Sum.add ( Sum x )

Add a sum to this.

Parameters:

x

The addend

Returns:: The sum of this and x.

References jscicalc.OObject.add(), jscicalc.complex.Complex.add(), jscicalc.expression.Sum.clone(), jscicalc.expression.SumOrProduct.complex, and jscicalc.expression.SumOrProduct.expressionList.

OObject jscicalc.expression.Sum.auto_simplify ( )

Simplify a Sum expression.

Returns Error or Complex or jscicalc.Sum.

Returns:: A simpler OObject equivalent to this.

Reimplemented from jscicalc.expression.SumOrProduct.

References jscicalc.complex.Complex.add(), jscicalc.OObject.auto_simplify(), jscicalc.expression.Product.compareTo(), jscicalc.expression.SumOrProduct.complex, jscicalc.expression.SumOrProduct.expressionList, jscicalc.expression.SumOrProduct.getComplex(), jscicalc.complex.Complex.multiply(), jscicalc.expression.Product.setComplex(), jscicalc.expression.SumOrProduct.sort(), jscicalc.expression.Product.unBox(), and jscicalc.expression.Sum.unBox().

Referenced by jscicalc.expression.Sum.substitute().

Sum jscicalc.expression.Sum.clone ( )

Create a copy of this Sum.

Returns:: a copy of this

References jscicalc.expression.SumOrProduct.complex, jscicalc.expression.SumOrProduct.expressionList, jscicalc.expression.SumOrProduct.getExpressionList(), jscicalc.complex.Complex.imaginary(), jscicalc.complex.Complex.real(), and jscicalc.expression.Sum.Sum().

Referenced by jscicalc.expression.Sum.add(), and jscicalc.expression.Sum.substitute().

int jscicalc.expression.Sum.compareTo ( Sum sum )

The comparison operator.

Parameters:

sum

The Sum to be compared.

Returns:: integer indicating how expression is compared to this.

References jscicalc.expression.SumOrProduct.compare(), jscicalc.complex.Complex.compareTo(), jscicalc.expression.SumOrProduct.complex, jscicalc.expression.SumOrProduct.expressionList, and jscicalc.expression.SumOrProduct.sort().

boolean jscicalc.expression.Sum.isNegative ( )

Indicate whether or not expression is negative.

The default is not negative.

Reimplemented from jscicalc.OObject.

References jscicalc.expression.SumOrProduct.complex, jscicalc.expression.SumOrProduct.expressionList, jscicalc.complex.Complex.isNegative(), and jscicalc.complex.Complex.isZero().

static void jscicalc.expression.Sum.main ( String[] args ) [static]

References jscicalc.expression.Sum.Sum().

OObject jscicalc.expression.Sum.multiply ( Sum t ) [package]

Multiply this by a Sum t: that is, find this * t.

Parameters:

t

Another Sum

Returns:: The result of the multiplication

References jscicalc.complex.Complex.add(), jscicalc.expression.SumOrProduct.complex, jscicalc.expression.SumOrProduct.expressionList, jscicalc.expression.SumOrProduct.getExpressionList(), jscicalc.expression.Sum.rMultiply(), and jscicalc.expression.Sum.Sum().

Sum jscicalc.expression.Sum.negate ( ) [virtual]

Get the negative of this.

Returns:: The negative of the complex number.

Implements jscicalc.expression.Expression.

References jscicalc.expression.SumOrProduct.complex, jscicalc.expression.SumOrProduct.expressionList, jscicalc.complex.Complex.negate(), and jscicalc.expression.Sum.Sum().

OObject jscicalc.expression.Sum.rMultiply ( OObject o ) [private]

Right multiply this by o: that is, find this * o.

Parameters:

o

An OObject

Returns:: The result of the multiplication

References jscicalc.complex.Complex.add(), jscicalc.expression.SumOrProduct.complex, jscicalc.expression.SumOrProduct.expressionList, jscicalc.expression.SumOrProduct.getExpressionList(), jscicalc.OObject.multiply(), and jscicalc.expression.Sum.Sum().

Referenced by jscicalc.expression.Sum.multiply().

OObject jscicalc.expression.Sum.substitute ( jscicalc.Substitution substitution )

References jscicalc.complex.Complex.add(), jscicalc.expression.Sum.auto_simplify(), jscicalc.expression.Sum.clone(), jscicalc.expression.SumOrProduct.complex, jscicalc.expression.SumOrProduct.expressionList, and jscicalc.OObject.substitute().

jscicalc.StringArray jscicalc.expression.Sum.toHTMLParenString	(	int	maxChars,
		int	precision,
		final Base	base,
		final Notation	notation,
		double	polarFactor
	)

References jscicalc.expression.SumOrProduct.complex, jscicalc.expression.SumOrProduct.getExpressionList(), jscicalc.complex.Complex.isZero(), jscicalc.complex.Complex.toHTMLParenString(), and jscicalc.expression.Sum.toHTMLSubString().

jscicalc.StringArray jscicalc.expression.Sum.toHTMLSubString	(	int	maxChars,
		int	precision,
		final Base	base,
		final Notation	notation,
		double	polarFactor
	)