Class BitArrayExtensions

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

Inheritance

System.Object

BitArrayExtensions

Namespace: Lucene.Net.Support

Assembly: Lucene.Net.dll

Syntax

public static class BitArrayExtensions : object

Methods

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And_UnequalLengths(BitArray, BitArray)

Declaration

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

Parameters

Type	Name	Description
BitArray	bitsA
BitArray	bitsB

Returns

Type	Description
BitArray

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AndNot(BitArray, BitArray)

Declaration

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

Parameters

Type	Name	Description
BitArray	bitsA
BitArray	bitsB

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BitWiseEquals(BitArray, BitArray)

Declaration

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

Parameters

Type	Name	Description
BitArray	bitsA
BitArray	bitsB

Returns

Type	Description
System.Boolean

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Cardinality(BitArray)

Returns the number of bits set to true in this .

Declaration

public static int Cardinality(this BitArray bits)

Parameters

Type	Name	Description
BitArray	bits	This .

Returns

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

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Clear(BitArray)

Sets all bits to false

Declaration

public static void Clear(this BitArray bits)

Parameters

Type	Name	Description
BitArray	bits	The BitArray object.

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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
BitArray	bits	The BitArray object.
System.Int32	index	The position to set to false.

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Clear(BitArray, Int32, Int32)

Declaration

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

Parameters

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

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Equal(BitArray, OpenBitSet)

Declaration

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

Parameters

Type	Name	Description
BitArray	a
OpenBitSet	b

Returns

Type	Description
System.Boolean

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Flip(BitArray, Int32, Int32)

Declaration

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

Parameters

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

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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
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

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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
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

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Or_UnequalLengths(BitArray, BitArray)

Declaration

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

Parameters

Type	Name	Description
BitArray	bitsA
BitArray	bitsB

Returns

Type	Description
BitArray

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PrevSetBit(BitArray, Int32)

Declaration

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

Parameters

Type	Name	Description
BitArray	bitArray
System.Int32	index

Returns

Type	Description
System.Int32

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SafeGet(BitArray, Int32)

Declaration

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

Parameters

Type	Name	Description
BitArray	a
System.Int32	loc

Returns

Type	Description
System.Boolean

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SafeSet(BitArray, Int32, Boolean)

Declaration

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

Parameters

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

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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
BitArray	bits	The BitArray object.
System.Int32	index	The position to set to true.

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Set(BitArray, Int32, Int32)

Declaration

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

Parameters

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

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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
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

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Xor_UnequalLengths(BitArray, BitArray)

Declaration

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

Parameters

Type	Name	Description
BitArray	bitsA
BitArray	bitsB

Returns

Type	Description
BitArray