ubc.cs.JLog.Builtins
Class jNumericComparison

java.lang.Object
  ubc.cs.JLog.Foundation.jType
      ubc.cs.JLog.Terms.jTerm
          ubc.cs.JLog.Terms.iPredicate
              ubc.cs.JLog.Terms.jBuiltinPredicate
                  ubc.cs.JLog.Terms.jBinaryBuiltinPredicate
                      ubc.cs.JLog.Builtins.jOperator
                          ubc.cs.JLog.Builtins.jNumericComparison

All Implemented Interfaces:

iType, iUnifiable, iConsultable, iName, iNameArity, iTerm, iValue

Direct Known Subclasses:

jEqual, jGreaterThan, jGreaterThanEqual, jLessThan, jLessThanEqual, jNotEqual

public abstract class jNumericComparison
extends jOperator

Field Summary

Fields inherited from class ubc.cs.JLog.Terms.jBinaryBuiltinPredicate

lhs, rhs

Fields inherited from class ubc.cs.JLog.Foundation.jType

type

Fields inherited from interface ubc.cs.JLog.Terms.iTerm

EQUAL, GREATER_THAN, LESS_THAN

Fields inherited from interface ubc.cs.JLog.Foundation.iType

TYPE_ARITHMETIC, TYPE_ATOM, TYPE_BUILTINPREDICATE, TYPE_COMMAND, TYPE_COMPARE, TYPE_COMPOUND, TYPE_CONS, TYPE_IF, TYPE_INTEGER, TYPE_LIST, TYPE_NULLLIST, TYPE_NUMERICCOMPARE, TYPE_OBJECT, TYPE_OPERATOR, TYPE_OR, TYPE_ORPREDICATE, TYPE_PREDICATE, TYPE_PREDICATETERMS, TYPE_REAL, TYPE_TYPE, TYPE_UNARYARITHMETIC, TYPE_UNARYOPERATOR, TYPE_UNDEFINED, TYPE_VARIABLE

Constructor Summary

jNumericComparison(jTerm l, jTerm r)

Method Summary

protected abstract boolean	compareInteger(int l, int r)
protected abstract boolean	compareReal(float l, float r)
protected abstract boolean	compareString(String l, String r)
boolean	prove(jOperatorGoal og)

Methods inherited from class ubc.cs.JLog.Builtins.jOperator

addGoals, addGoals, toString

Methods inherited from class ubc.cs.JLog.Terms.jBinaryBuiltinPredicate

compareArguments, consult, consultReset, copy, duplicate, duplicate, enumerateVariables, equivalenceArguments, getArguments, getArity, getLHS, getRHS, isConsultNeeded, prove, registerUnboundVariables, registerVariables, unifyArguments

Methods inherited from class ubc.cs.JLog.Terms.jBuiltinPredicate

equivalence, unify

Methods inherited from class ubc.cs.JLog.Terms.iPredicate

compare

Methods inherited from class ubc.cs.JLog.Terms.jTerm

compare, copy, getName, getTerm, getValue, requiresCompleteVariableState, toString

Methods inherited from class ubc.cs.JLog.Foundation.jType

getType, objectToString

Methods inherited from class java.lang.Object

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

Methods inherited from interface ubc.cs.JLog.Terms.iName

getName

Constructor Detail

jNumericComparison

public jNumericComparison(jTerm l,
                          jTerm r)

Method Detail

prove

public boolean prove(jOperatorGoal og)

Specified by:

prove in class jOperator

compareInteger

protected abstract boolean compareInteger(int l,
                                          int r)

compareReal

protected abstract boolean compareReal(float l,
                                       float r)

compareString

protected abstract boolean compareString(String l,
                                         String r)