ve
Class FactorPlus

java.lang.Object
  |
  +--ve.Factor
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        +--ve.FactorPlus

public class FactorPlus
extends Factor

This the the class of factors that are the sum of other factors. It is lazy in that it doesn't explicitly store the factors. The values can be computed as needed using the EltsIterator. This is the the same as FactorTimes except it uses + instead of *.


Inner Class Summary
private  class FactorPlus.Itr
           
 
Field Summary
private  Factor fac1
          the factors that are to be multiplied point by point.
private  Factor fac2
          the factors that are to be multiplied point by point.
 
Fields inherited from class ve.Factor
BY_ASSIGN, BY_CPT, BY_DETERMINISTIC, BY_EXPANDING, BY_GENRULE, BY_MAXIMIZING, BY_MULTIPLYING, BY_NORMALIZING, BY_OBSERVED, BY_PLUS, BY_REORDERING, BY_SAVEIT, BY_SUM_OUT, BY_UNIFORM, BY_UPDATABLE, BY_V_ELIM, howCreatedVal, savingForTracing, thesize, variables
 
Constructor Summary
FactorPlus(Factor f1, Factor f2)
          constructs a factor with the given variables.
 
Method Summary
 EltsIterator iterator()
          Returns an iterator over the values of the factor.
private static Variable[] unionVars(Variable[] vars1, Variable[] vars2)
          returns the array representing the union of the variables.
 
Methods inherited from class ve.Factor
allOnes, contains, display, getName, getSavingForTracing, getVariables, howCreated, isRedundant, isRedundant, print, print, printVariables, setSavingForTracing, size, toString
 
Methods inherited from class java.lang.Object
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, wait, wait, wait
 

Field Detail

fac1

private Factor fac1
the factors that are to be multiplied point by point.

fac2

private Factor fac2
the factors that are to be multiplied point by point.
Constructor Detail

FactorPlus

public FactorPlus(Factor f1,
                  Factor f2)
constructs a factor with the given variables.
Method Detail

iterator

public EltsIterator iterator()
Description copied from class: Factor
Returns an iterator over the values of the factor.
Overrides:
iterator in class Factor

unionVars

private static Variable[] unionVars(Variable[] vars1,
                                    Variable[] vars2)
returns the array representing the union of the variables.