Package org.projog.core.math

Class AbstractBinaryArithmeticOperator

java.lang.Object

org.projog.core.math.AbstractArithmeticOperator

org.projog.core.math.AbstractBinaryArithmeticOperator

All Implemented Interfaces:

KnowledgeBaseConsumer, ArithmeticOperator, PreprocessableArithmeticOperator

Direct Known Subclasses:

Add, Multiply, Power, Subtract

public abstract class AbstractBinaryArithmeticOperator
extends AbstractArithmeticOperator

A template for ArithmeticOperators that accept two arguments.

Constructor Summary

Constructors

Constructor	Description
AbstractBinaryArithmeticOperator()

Method Summary

Modifier and Type	Method	Description
Numeric	calculate(Numeric n1, Numeric n2)
protected abstract double	calculateDouble(double n1, double n2)	Returns the result of evaluating an arithmetic expression using the two arguments
protected abstract long	calculateLong(long n1, long n2)	Returns the result of evaluating an arithmetic expression using the two arguments
private static boolean	containsFraction(Numeric n1, Numeric n2)

Methods inherited from class org.projog.core.math.AbstractArithmeticOperator

calculate, calculate, isPure, preprocess, setKnowledgeBase

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractBinaryArithmeticOperator

public AbstractBinaryArithmeticOperator()

Method Detail

calculate

public final Numeric calculate(Numeric n1,
                               Numeric n2)

Overrides:

calculate in class AbstractArithmeticOperator

containsFraction

private static boolean containsFraction(Numeric n1,
                                        Numeric n2)

calculateDouble

protected abstract double calculateDouble(double n1,
                                          double n2)

Returns the result of evaluating an arithmetic expression using the two arguments

calculateLong

protected abstract long calculateLong(long n1,
                                      long n2)

Returns the result of evaluating an arithmetic expression using the two arguments