vector scale

Module: Basic Math Functions

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Modules

Name
vector scale Kernels

Functions

	Name
void	plp_scale_f32(const float32_t restrict pSrc, float32_t scaleFactor, float32_t restrict pDst, uint32_t blockSize) Glue code of multiply a vector by a scalar for 32-bit floats.
void	plp_scale_i16(const int16_t restrict pSrc, int16_t scaleFactor, int32_t shift, int16_t restrict pDst, uint32_t blockSize) Glue code of multiply a vector by a scalar for 16-bit integers.
void	plp_scale_i32(const int32_t restrict pSrc, int32_t scaleFactor, int32_t shift, int32_t restrict pDst, uint32_t blockSize) Glue code of multiply a vector by a scalar for 32-bit integers.
void	plp_scale_i8(const int8_t restrict pSrc, int8_t scaleFactor, int32_t shift, int8_t restrict pDst, uint32_t blockSize) Glue code of multiply a vector by a scalar for 8-bit integers.

Detailed Description

This module contains the glue code for vector scale. The kernel codes (kernels) are in the Module vector scale Kernels. Multiply a vector by a scalar value. For floating-point data, the algorithm used is: pDst[n] = pSrc[n] * scale, 0 <= n < blockSize.

Functions Documentation

function plp_scale_f32

void plp_scale_f32(
    const float32_t *__restrict__ pSrc,
    float32_t scaleFactor,
    float32_t *__restrict__ pDst,
    uint32_t blockSize
)

Glue code of multiply a vector by a scalar for 32-bit floats.

Parameters:

• pSrc points to the input vector
• scaleFactor Factor to multiply all elements
• pDst points to the output vector
• blockSize number of samples in each vector

Return: none

function plp_scale_i16

void plp_scale_i16(
    const int16_t *__restrict__ pSrc,
    int16_t scaleFactor,
    int32_t shift,
    int16_t *__restrict__ pDst,
    uint32_t blockSize
)

Glue code of multiply a vector by a scalar for 16-bit integers.

Parameters:

• pSrc points to the input vector
• scaleFactor Factor to multiply all elements before shifting
• shift number of bits to shift the result by
• pDst points to the output vector
• blockSize number of samples in each vector

Return: none

function plp_scale_i32

void plp_scale_i32(
    const int32_t *__restrict__ pSrc,
    int32_t scaleFactor,
    int32_t shift,
    int32_t *__restrict__ pDst,
    uint32_t blockSize
)

Glue code of multiply a vector by a scalar for 32-bit integers.

Parameters:

• pSrc points to the input vector
• scaleFactor Factor to multiply all elements before shifting
• shift number of bits to shift the result by
• pDst points to the output vector
• blockSize number of samples in each vector

Return: none

function plp_scale_i8

void plp_scale_i8(
    const int8_t *__restrict__ pSrc,
    int8_t scaleFactor,
    int32_t shift,
    int8_t *__restrict__ pDst,
    uint32_t blockSize
)

Glue code of multiply a vector by a scalar for 8-bit integers.

Parameters:

• pSrc points to the input vector
• scaleFactor Factor to multiply all elements before shifting
• shift number of bits to shift the result by
• pDst points to the output vector
• blockSize number of samples in each vector

Return: none

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Updated on 2023-03-01 at 16:16:32 +0000