vector scale Kernels

Module: Basic Math Functions / vector scale

Functions

	Name
void	plp_scale_f32s_xpulpv2(const float32_t restrict pSrc, float32_t scaleFactor, float32_t restrict pDst, uint32_t blockSize) multiply a vector by a scalar for 32-bit floats on XpulpV2
void	plp_scale_i16s_rv32im(const int16_t restrict pSrc, int16_t scaleFactor, int32_t shift, int16_t restrict pDst, uint32_t blockSize) multiply a vector by a scalar for 16-bit integers on RV32IM
void	plp_scale_i16s_xpulpv2(const int16_t restrict pSrc, int16_t scaleFactor, int32_t shift, int16_t restrict pDst, uint32_t blockSize) multiply a vector by a scalar for 16-bit integers on XpulpV2
void	plp_scale_i32s_rv32im(const int32_t restrict pSrc, int32_t scaleFactor, int32_t shift, int32_t restrict pDst, uint32_t blockSize) multiply a vector by a scalar for 32-bit integers on RV32IM
void	plp_scale_i32s_xpulpv2(const int32_t restrict pSrc, int32_t scaleFactor, int32_t shift, int32_t restrict pDst, uint32_t blockSize) multiply a vector by a scalar for 32-bit integers on XpulpV2
void	plp_scale_i8s_rv32im(const int8_t restrict pSrc, int8_t scaleFactor, int32_t shift, int8_t restrict pDst, uint32_t blockSize) multiply a vector by a scalar for 8-bit integers on RV32IM
void	plp_scale_i8s_xpulpv2(const int8_t restrict pSrc, int8_t scaleFactor, int32_t shift, int8_t restrict pDst, uint32_t blockSize) multiply a vector by a scalar for 8-bit integers on XpulpV2

Detailed Description

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_f32s_xpulpv2

void plp_scale_f32s_xpulpv2(
    const float32_t *__restrict__ pSrc,
    float32_t scaleFactor,
    float32_t *__restrict__ pDst,
    uint32_t blockSize
)

multiply a vector by a scalar for 32-bit floats on XpulpV2

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_i16s_rv32im

void plp_scale_i16s_rv32im(
    const int16_t *__restrict__ pSrc,
    int16_t scaleFactor,
    int32_t shift,
    int16_t *__restrict__ pDst,
    uint32_t blockSize
)

multiply a vector by a scalar for 16-bit integers on RV32IM

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_i16s_xpulpv2

void plp_scale_i16s_xpulpv2(
    const int16_t *__restrict__ pSrc,
    int16_t scaleFactor,
    int32_t shift,
    int16_t *__restrict__ pDst,
    uint32_t blockSize
)

multiply a vector by a scalar for 16-bit integers on XpulpV2

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_i32s_rv32im

void plp_scale_i32s_rv32im(
    const int32_t *__restrict__ pSrc,
    int32_t scaleFactor,
    int32_t shift,
    int32_t *__restrict__ pDst,
    uint32_t blockSize
)

multiply a vector by a scalar for 32-bit integers on RV32IM

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_i32s_xpulpv2

void plp_scale_i32s_xpulpv2(
    const int32_t *__restrict__ pSrc,
    int32_t scaleFactor,
    int32_t shift,
    int32_t *__restrict__ pDst,
    uint32_t blockSize
)

multiply a vector by a scalar for 32-bit integers on XpulpV2

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_i8s_rv32im

void plp_scale_i8s_rv32im(
    const int8_t *__restrict__ pSrc,
    int8_t scaleFactor,
    int32_t shift,
    int8_t *__restrict__ pDst,
    uint32_t blockSize
)

multiply a vector by a scalar for 8-bit integers on RV32IM

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_i8s_xpulpv2

void plp_scale_i8s_xpulpv2(
    const int8_t *__restrict__ pSrc,
    int8_t scaleFactor,
    int32_t shift,
    int8_t *__restrict__ pDst,
    uint32_t blockSize
)

multiply a vector by a scalar for 8-bit integers on XpulpV2

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

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