BitVectorVariable (util 1.6.2 API)

java.lang.Object
- com.ibm.wala.util.graph.impl.NodeWithNumber
- - com.ibm.wala.fixpoint.AbstractVariable<BitVectorVariable>
  - - com.ibm.wala.fixpoint.BitVectorVariable

All Implemented Interfaces:

IVariable<BitVectorVariable>, INodeWithNumber
```
public class BitVectorVariable
extends AbstractVariable<BitVectorVariable>
```
A bit vector variable for dataflow analysis.

Constructor Summary

Constructors
Constructor Description

BitVectorVariable()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addAll(BitVectorVariable other)`	Add all the bits from other to this bit vector
`void`	`addAll(BitVector B)`	Add all the bits in B to this bit vector
`void`	`clear(int i)`
`void`	`copyState(@Nullable BitVectorVariable other)`	Set this variable to have the same state as another one
`boolean`	`equals(Object obj)`
`boolean`	`get(int b)`	Is a particular bit set?
`@Nullable IntSet`	`getValue()`
`int`	`populationCount()`
`boolean`	`sameValue(BitVectorVariable other)`	Does this variable have the same value as another?
`void`	`set(int b)`	Set a particular bit
`String`	`toString()`

Methods inherited from class com.ibm.wala.fixpoint.AbstractVariable
getOrderNumber, hashCode, nextHash, setOrderNumber

Methods inherited from class com.ibm.wala.util.graph.impl.NodeWithNumber
getGraphNodeId, setGraphNodeId

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.ibm.wala.util.graph.INodeWithNumber
getGraphNodeId, setGraphNodeId

- Constructor Detail
  - BitVectorVariable
```
public BitVectorVariable()
```
- Method Detail
  - copyState
```
public void copyState(@Nullable BitVectorVariable other)
```
    Description copied from interface: IVariable
    
    Set this variable to have the same state as another one
    
    See Also:
    
    IVariable.copyState(com.ibm.wala.fixpoint.IVariable)
  - addAll
```
public void addAll(BitVector B)
```
    Add all the bits in B to this bit vector
  - addAll
```
public void addAll(BitVectorVariable other)
```
    Add all the bits from other to this bit vector
  - sameValue
```
public boolean sameValue(BitVectorVariable other)
```
    Does this variable have the same value as another?
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - set
```
public void set(int b)
```
    Set a particular bit
    
    Parameters:
    
    b - the bit to set
  - get
```
public boolean get(int b)
```
    Is a particular bit set?
    
    Parameters:
    
    b - the bit to check
  - getValue
```
public @Nullable IntSet getValue()
```
    Returns:
    
    the value of this variable as a bit vector ... null if the bit vector is empty.
  - clear
```
public void clear(int i)
```
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class AbstractVariable<BitVectorVariable>
  - populationCount
```
public int populationCount()
```