Cosine distance

RISCV_DSP_ATTRIBUTE float16_t riscv_cosine_distance_f16 (const float16_t *pA, const float16_t *pB, uint32_t blockSize)

RISCV_DSP_ATTRIBUTE float32_t riscv_cosine_distance_f32 (const float32_t *pA, const float32_t *pB, uint32_t blockSize)

RISCV_DSP_ATTRIBUTE float64_t riscv_cosine_distance_f64 (const float64_t *pA, const float64_t *pB, uint32_t blockSize)

group CosineDist

Cosine distance.

Functions

RISCV_DSP_ATTRIBUTE float16_t riscv_cosine_distance_f16 (const float16_t *pA, const float16_t *pB, uint32_t blockSize)

Cosine distance between two vectors.

Description

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

Parameters

• pA – [in] First vector

• pB – [in] Second vector

• blockSize – [in] vector length

Returns

distance

RISCV_DSP_ATTRIBUTE float32_t riscv_cosine_distance_f32 (const float32_t *pA, const float32_t *pB, uint32_t blockSize)

Cosine distance between two vectors.

Description

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

Parameters

• pA – [in] First vector

• pB – [in] Second vector

• blockSize – [in] vector length

Returns

distance

RISCV_DSP_ATTRIBUTE float64_t riscv_cosine_distance_f64 (const float64_t *pA, const float64_t *pB, uint32_t blockSize)

Cosine distance between two vectors.

Parameters

• pA – [in] First vector

• pB – [in] Second vector

• blockSize – [in] vector length

Returns

distance