Class BitArrayExtensions

This class provides supporting methods of java.util.BitSet that are not present in System.Collections.BitArray.

Inheritance

System.Object

BitArrayExtensions

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Lucene.Net.Support

Assembly: Lucene.Net.dll

Syntax

public static class BitArrayExtensions

Methods

And_UnequalLengths(BitArray, BitArray)

Declaration

public static BitArray And_UnequalLengths(this BitArray bitsA, BitArray bitsB)

Parameters

Type	Name	Description
System.Collections.BitArray	bitsA
System.Collections.BitArray	bitsB

Returns

Type	Description
System.Collections.BitArray

AndNot(BitArray, BitArray)

Declaration

public static void AndNot(this BitArray bitsA, BitArray bitsB)

Parameters

Type	Name	Description
System.Collections.BitArray	bitsA
System.Collections.BitArray	bitsB

BitWiseEquals(BitArray, BitArray)

Declaration

public static bool BitWiseEquals(this BitArray bitsA, BitArray bitsB)

Parameters

Type	Name	Description
System.Collections.BitArray	bitsA
System.Collections.BitArray	bitsB

Returns

Type	Description
System.Boolean

Cardinality(BitArray)

Returns the number of bits set to true in this BitSet.

Declaration

public static int Cardinality(this BitArray bits)

Parameters

Type	Name	Description
System.Collections.BitArray	bits	The BitArray object.

Returns

Type	Description
System.Int32	The number of bits set to true in this BitSet.

Clear(BitArray)

Sets all bits to false

Declaration

public static void Clear(this BitArray bits)

Parameters

Type	Name	Description
System.Collections.BitArray	bits	The BitArray object.

Clear(BitArray, Int32)

Sets the bit at the given index to false.

Declaration

public static void Clear(this BitArray bits, int index)

Parameters

Type	Name	Description
System.Collections.BitArray	bits	The BitArray object.
System.Int32	index	The position to set to false.

Clear(BitArray, Int32, Int32)

Declaration

public static void Clear(this BitArray bits, int startIdx, int endIdx)

Parameters

Type	Name	Description
System.Collections.BitArray	bits
System.Int32	startIdx
System.Int32	endIdx

Equal(BitArray, OpenBitSet)

Declaration

public static bool Equal(this BitArray a, OpenBitSet b)

Parameters

Type	Name	Description
System.Collections.BitArray	a
OpenBitSet	b

Returns

Type	Description
System.Boolean

Flip(BitArray, Int32, Int32)

Declaration

public static void Flip(this BitArray bits, int startIdx, int endIdx)

Parameters

Type	Name	Description
System.Collections.BitArray	bits
System.Int32	startIdx
System.Int32	endIdx

NextClearBit(BitArray, Int32)

Returns the next un-set bit at or after index, or -1 if no such bit exists.

Declaration

public static int NextClearBit(this BitArray bitArray, int index)

Parameters

Type	Name	Description
System.Collections.BitArray	bitArray
System.Int32	index	the index of bit array at which to start checking

Returns

Type	Description
System.Int32	the next set bit or -1

NextSetBit(BitArray, Int32)

Returns the next set bit at or after index, or -1 if no such bit exists.

Declaration

public static int NextSetBit(this BitArray bitArray, int index)

Parameters

Type	Name	Description
System.Collections.BitArray	bitArray
System.Int32	index	the index of bit array at which to start checking

Returns

Type	Description
System.Int32	the next set bit or -1

Or_UnequalLengths(BitArray, BitArray)

Declaration

public static BitArray Or_UnequalLengths(this BitArray bitsA, BitArray bitsB)

Parameters

Type	Name	Description
System.Collections.BitArray	bitsA
System.Collections.BitArray	bitsB

Returns

Type	Description
System.Collections.BitArray

PrevSetBit(BitArray, Int32)

Declaration

public static int PrevSetBit(this BitArray bitArray, int index)

Parameters

Type	Name	Description
System.Collections.BitArray	bitArray
System.Int32	index

Returns

Type	Description
System.Int32

SafeGet(BitArray, Int32)

Declaration

public static bool SafeGet(this BitArray a, int loc)

Parameters

Type	Name	Description
System.Collections.BitArray	a
System.Int32	loc

Returns

Type	Description
System.Boolean

SafeSet(BitArray, Int32, Boolean)

Declaration

public static void SafeSet(this BitArray a, int loc, bool value)

Parameters

Type	Name	Description
System.Collections.BitArray	a
System.Int32	loc
System.Boolean	value

Set(BitArray, Int32)

Sets the bit at the given index to true.

Declaration

public static void Set(this BitArray bits, int index)

Parameters

Type	Name	Description
System.Collections.BitArray	bits	The BitArray object.
System.Int32	index	The position to set to true.

Set(BitArray, Int32, Int32)

Declaration

public static void Set(this BitArray bits, int startIdx, int endIdx)

Parameters

Type	Name	Description
System.Collections.BitArray	bits
System.Int32	startIdx
System.Int32	endIdx

Set(BitArray, Int32, Int32, Boolean)

Sets the bit at the given index range to true.

Declaration

public static void Set(this BitArray bits, int fromIndex, int toIndex, bool value)

Parameters

Type	Name	Description
System.Collections.BitArray	bits	The BitArray object.
System.Int32	fromIndex	The start of the range to set(inclusive)
System.Int32	toIndex	The end of the range to set(exclusive)
System.Boolean	value	the value to set to the range

Xor_UnequalLengths(BitArray, BitArray)

Declaration

public static BitArray Xor_UnequalLengths(this BitArray bitsA, BitArray bitsB)

Parameters

Type	Name	Description
System.Collections.BitArray	bitsA
System.Collections.BitArray	bitsB

Returns

Type	Description
System.Collections.BitArray