Cosine distance

Functions
float16_t	arm_cosine_distance_f16 (const float16_t *pA, const float16_t *pB, uint32_t blockSize)
	Cosine distance between two vectors. More...
float32_t	arm_cosine_distance_f32 (const float32_t *pA, const float32_t *pB, uint32_t blockSize)
	Cosine distance between two vectors. More...
float64_t	arm_cosine_distance_f64 (const float64_t *pA, const float64_t *pB, uint32_t blockSize)
	Cosine distance between two vectors. More...

Description

Cosine distance

Function Documentation

float16_t arm_cosine_distance_f16	(	const float16_t *	pA,
		const float16_t *	pB,
		uint32_t	blockSize
	)

Parameters

[in]	pA	First vector
[in]	pB	Second vector
[in]	blockSize	vector length

Returns

distance

Description

cosine_distance(u,v) is 1 - u . v / (Norm(u) Norm(v))

float32_t arm_cosine_distance_f32	(	const float32_t *	pA,
		const float32_t *	pB,
		uint32_t	blockSize
	)

Parameters

[in]	pA	First vector
[in]	pB	Second vector
[in]	blockSize	vector length

Returns

distance

Description

cosine_distance(u,v) is 1 - u . v / (Norm(u) Norm(v))

float64_t arm_cosine_distance_f64	(	const float64_t *	pA,
		const float64_t *	pB,
		uint32_t	blockSize
	)

Parameters

[in]	pA	First vector
[in]	pB	Second vector
[in]	blockSize	vector length

Returns

distance