Boolean Distances

Functions
float32_t	arm_hamming_distance (const uint32_t *pA, const uint32_t *pB, uint32_t numberOfBools)
	Hamming distance between two vectors.
float32_t	arm_jaccard_distance (const uint32_t *pA, const uint32_t *pB, uint32_t numberOfBools)
	Jaccard distance between two vectors.
float32_t	arm_kulsinski_distance (const uint32_t *pA, const uint32_t *pB, uint32_t numberOfBools)
	Kulsinski distance between two vectors.
float32_t	arm_rogerstanimoto_distance (const uint32_t *pA, const uint32_t *pB, uint32_t numberOfBools)
	Rogers Tanimoto distance between two vectors.
float32_t	arm_russellrao_distance (const uint32_t *pA, const uint32_t *pB, uint32_t numberOfBools)
	Russell-Rao distance between two vectors.
float32_t	arm_sokalmichener_distance (const uint32_t *pA, const uint32_t *pB, uint32_t numberOfBools)
	Sokal-Michener distance between two vectors.
float32_t	arm_sokalsneath_distance (const uint32_t *pA, const uint32_t *pB, uint32_t numberOfBools)
	Sokal-Sneath distance between two vectors.
float32_t	arm_yule_distance (const uint32_t *pA, const uint32_t *pB, uint32_t numberOfBools)
	Yule distance between two vectors.
float32_t	arm_dice_distance (const uint32_t *pA, const uint32_t *pB, uint32_t numberOfBools)
	Dice distance between two vectors.

Description

Distances between two vectors of boolean values.

Booleans are packed in 32 bit words. numberOfBooleans argument is the number of booleans and not the number of words.

Bits are packed in big-endian mode (because of behavior of numpy packbits in in version < 1.17)

Function Documentation

arm_dice_distance()

float32_t arm_dice_distance	(	const uint32_t *	pA,
		const uint32_t *	pB,
		uint32_t	numberOfBools
	)

Dice distance between two vectors.

Parameters

[in]	pA	First vector of packed booleans
[in]	pB	Second vector of packed booleans
[in]	numberOfBools	Number of booleans

Returns

distance

arm_hamming_distance()

float32_t arm_hamming_distance	(	const uint32_t *	pA,
		const uint32_t *	pB,
		uint32_t	numberOfBools
	)

Hamming distance between two vectors.

Parameters

[in]	pA	First vector of packed booleans
[in]	pB	Second vector of packed booleans
[in]	numberOfBools	Number of booleans

Returns

distance

arm_jaccard_distance()

float32_t arm_jaccard_distance	(	const uint32_t *	pA,
		const uint32_t *	pB,
		uint32_t	numberOfBools
	)

Jaccard distance between two vectors.

Parameters

[in]	pA	First vector of packed booleans
[in]	pB	Second vector of packed booleans
[in]	numberOfBools	Number of booleans

Returns

distance

arm_kulsinski_distance()

float32_t arm_kulsinski_distance	(	const uint32_t *	pA,
		const uint32_t *	pB,
		uint32_t	numberOfBools
	)

Kulsinski distance between two vectors.

Parameters

[in]	pA	First vector of packed booleans
[in]	pB	Second vector of packed booleans
[in]	numberOfBools	Number of booleans

Returns

distance

arm_rogerstanimoto_distance()

float32_t arm_rogerstanimoto_distance	(	const uint32_t *	pA,
		const uint32_t *	pB,
		uint32_t	numberOfBools
	)

Rogers Tanimoto distance between two vectors.

Roger Stanimoto distance between two vectors.

Parameters

[in]	pA	First vector of packed booleans
[in]	pB	Second vector of packed booleans
[in]	numberOfBools	Number of booleans

Returns

distance

arm_russellrao_distance()

float32_t arm_russellrao_distance	(	const uint32_t *	pA,
		const uint32_t *	pB,
		uint32_t	numberOfBools
	)

Russell-Rao distance between two vectors.

Parameters

[in]	pA	First vector of packed booleans
[in]	pB	Second vector of packed booleans
[in]	numberOfBools	Number of booleans

Returns

distance

arm_sokalmichener_distance()

float32_t arm_sokalmichener_distance	(	const uint32_t *	pA,
		const uint32_t *	pB,
		uint32_t	numberOfBools
	)

Sokal-Michener distance between two vectors.

Parameters

[in]	pA	First vector of packed booleans
[in]	pB	Second vector of packed booleans
[in]	numberOfBools	Number of booleans

Returns

distance

arm_sokalsneath_distance()

float32_t arm_sokalsneath_distance	(	const uint32_t *	pA,
		const uint32_t *	pB,
		uint32_t	numberOfBools
	)

Sokal-Sneath distance between two vectors.

Parameters

[in]	pA	First vector of packed booleans
[in]	pB	Second vector of packed booleans
[in]	numberOfBools	Number of booleans

Returns

distance

arm_yule_distance()

float32_t arm_yule_distance	(	const uint32_t *	pA,
		const uint32_t *	pB,
		uint32_t	numberOfBools
	)

Yule distance between two vectors.

Parameters

[in]	pA	First vector of packed booleans
[in]	pB	Second vector of packed booleans
[in]	numberOfBools	Number of booleans

Returns

distance