jason.asSemantics
Class DefaultArithFunction

java.lang.Object
  jason.asSemantics.DefaultArithFunction

All Implemented Interfaces:

ArithFunction, java.io.Serializable

Direct Known Subclasses:

Abs, Average, ceil, Count, e, floor, Length, log, Max, Min, pi, Random, Round, RuleToFunction, Sqrt, StdDev, Sum, time

public abstract class DefaultArithFunction
extends java.lang.Object
implements ArithFunction, java.io.Serializable

Useful default implementation of all methods of ArithFunction interface.

See Also:

Serialized Form

Constructor Summary

DefaultArithFunction()

Method Summary

boolean	allowUngroundTerms() returns true if the arguments of the function can be unground (as in .count)
boolean	checkArity(int a) returns true if a is a good number of arguments for the function
double	evaluate(TransitionSystem ts, Term[] args) evaluates/computes the function based on the args
java.lang.String	getName() returns the name of the function
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultArithFunction

public DefaultArithFunction()

Method Detail

getName

public java.lang.String getName()

Description copied from interface: ArithFunction

returns the name of the function

Specified by:

getName in interface ArithFunction

checkArity

public boolean checkArity(int a)

Description copied from interface: ArithFunction

returns true if a is a good number of arguments for the function

Specified by:

checkArity in interface ArithFunction

evaluate

public double evaluate(TransitionSystem ts,
                       Term[] args)
                throws java.lang.Exception

Description copied from interface: ArithFunction

evaluates/computes the function based on the args

Specified by:

evaluate in interface ArithFunction

Throws:

java.lang.Exception

allowUngroundTerms

public boolean allowUngroundTerms()

Description copied from interface: ArithFunction

returns true if the arguments of the function can be unground (as in .count)

Specified by:

allowUngroundTerms in interface ArithFunction

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object