Package org.projog.core.math

Class AbstractBinaryIntegerArithmeticOperator

java.lang.Object

org.projog.core.math.AbstractArithmeticOperator

org.projog.core.math.AbstractBinaryIntegerArithmeticOperator

All Implemented Interfaces:

KnowledgeBaseConsumer, ArithmeticOperator, PreprocessableArithmeticOperator

Direct Known Subclasses:

BitwiseAnd, BitwiseOr, BitwiseXor, IntegerDivide, Modulo, Remainder, ShiftLeft, ShiftRight

public abstract class AbstractBinaryIntegerArithmeticOperator
extends AbstractArithmeticOperator

A template for ArithmeticOperators that accept two arguments of type TermType.INTEGER.

Constructor Summary

Constructors

Constructor	Description
AbstractBinaryIntegerArithmeticOperator()

Method Summary

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

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

AbstractBinaryIntegerArithmeticOperator

public AbstractBinaryIntegerArithmeticOperator()

Method Detail

calculate

public final Numeric calculate(Numeric n1,
                               Numeric n2)

Overrides:

calculate in class AbstractArithmeticOperator

toLong

private long toLong(Numeric n)

calculateLong

protected abstract long calculateLong(long n1,
                                      long n2)

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