Class Minus

java.lang.Object

calculator.operations.Operation

calculator.operations.Minus

All Implemented Interfaces:

Expression

public final class Minus
extends Operation

This class represents the arithmetic operation "-". The class extends an abstract superclass Operation. Other subclasses of Operation represent other arithmetic operations.

See Also:

• Operation
• Plus
• Times
• Divides

Field Summary

Fields inherited from class Operation

args, neutral, symbol

Constructor Summary

Constructors

Constructor	Description
Minus(List<Expression> elist)	Class constructor specifying a number of Expressions to subtract.

Method Summary

Modifier and Type	Method	Description
int	op(int l, int r)	The actual computation of the (binary) arithmetic subtraction of two integers
Complex	op(Complex c1, Complex c2)	Abstract method representing the actual binary arithmetic operation to compute on Complexes
IntegerAtom	op(IntegerAtom i1, IntegerAtom i2)	The actual computation of the (binary) arithmetic subtraction of two Integers
Rationnal	op(Rationnal q1, Rationnal q2)	Abstract method representing the actual binary arithmetic operation to compute on Rationnals
Real	op(Real r1, Real r2)	The actual computation of the (binary) arithmetic subtraction of two Reals

Methods inherited from class Operation

accept, addMoreParams, equals, getArgs, getSymbol, hashCode, toString, toString

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Minus

public Minus(List<Expression> elist)
      throws IllegalConstruction

Class constructor specifying a number of Expressions to subtract.

Parameters:

elist - The list of Expressions to subtract

Throws:

IllegalConstruction - If an empty list of expressions if passed as parameter

See Also:

• Minus(List<Expression>)

Method Details

op

public int op(int l,
 int r)

The actual computation of the (binary) arithmetic subtraction of two integers

Parameters:

l - The first integer

r - The second integer that should be subtracted from the first

Returns:

The integer that is the result of the subtraction

op

public Real op(Real r1,
 Real r2)

The actual computation of the (binary) arithmetic subtraction of two Reals

Specified by:

op in class Operation

Parameters:

r1 - The first Real

r2 - The second Real

Returns:

The (new) Real that is the result of the subtraction

op

public IntegerAtom op(IntegerAtom i1,
 IntegerAtom i2)

The actual computation of the (binary) arithmetic subtraction of two Integers

Specified by:

op in class Operation

Parameters:

i1 - The first IntegerAtom

i2 - The second IntegerAtom

Returns:

The (new) IntegerAtom that is the result of the subtraction

op

public Complex op(Complex c1,
 Complex c2)

Description copied from class: Operation

Abstract method representing the actual binary arithmetic operation to compute on Complexes

Specified by:

op in class Operation

Parameters:

c1 - first Complex of the binary operation

c2 - second Complex of the binary operation

Returns:

result of computing the binary operation

op

public Rationnal op(Rationnal q1,
 Rationnal q2)

Description copied from class: Operation

Abstract method representing the actual binary arithmetic operation to compute on Rationnals

Specified by:

op in class Operation

Parameters:

q1 - first Rationnal of the binary operation

q2 - second Rationnal of the binary operation

Returns:

result of computing the binary operation