CMSIS-DSP  
CMSIS DSP Software Library
Functions
Absolute Maximum
Statistics Functions

Functions

void arm_absmax_f16 (const float16_t *pSrc, uint32_t blockSize, float16_t *pResult, uint32_t *pIndex)
 Maximum value of absolute values of a floating-point vector. More...
 
void arm_absmax_f32 (const float32_t *pSrc, uint32_t blockSize, float32_t *pResult, uint32_t *pIndex)
 Maximum value of absolute values of a floating-point vector. More...
 
void arm_absmax_f64 (const float64_t *pSrc, uint32_t blockSize, float64_t *pResult, uint32_t *pIndex)
 Maximum value of absolute values of a floating-point vector. More...
 
void arm_absmax_no_idx_f16 (const float16_t *pSrc, uint32_t blockSize, float16_t *pResult)
 Maximum value of absolute values of a floating-point vector. More...
 
void arm_absmax_no_idx_f32 (const float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
 Maximum value of absolute values of a floating-point vector. More...
 
void arm_absmax_no_idx_f64 (const float64_t *pSrc, uint32_t blockSize, float64_t *pResult)
 Maximum value of absolute values of a floating-point vector. More...
 
void arm_absmax_no_idx_q15 (const q15_t *pSrc, uint32_t blockSize, q15_t *pResult)
 Maximum value of absolute values of a Q15 vector. More...
 
void arm_absmax_no_idx_q31 (const q31_t *pSrc, uint32_t blockSize, q31_t *pResult)
 Maximum value of absolute values of a Q31 vector. More...
 
void arm_absmax_no_idx_q7 (const q7_t *pSrc, uint32_t blockSize, q7_t *pResult)
 Maximum value of absolute values of a Q7 vector. More...
 
void arm_absmax_q15 (const q15_t *pSrc, uint32_t blockSize, q15_t *pResult, uint32_t *pIndex)
 Maximum value of absolute values of a Q15 vector. More...
 
void arm_absmax_q31 (const q31_t *pSrc, uint32_t blockSize, q31_t *pResult, uint32_t *pIndex)
 Maximum value of absolute values of a Q31 vector. More...
 
void arm_absmax_q7 (const q7_t *pSrc, uint32_t blockSize, q7_t *pResult, uint32_t *pIndex)
 Maximum value of absolute values of a Q7 vector. More...
 

Description

Computes the maximum value of absolute values of an array of data. The function returns both the maximum value and its position within the array. There are separate functions for floating-point, Q31, Q15, and Q7 data types.

Function Documentation

◆ arm_absmax_f16()

void arm_absmax_f16 ( const float16_t *  pSrc,
uint32_t  blockSize,
float16_t *  pResult,
uint32_t *  pIndex 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
[out]pIndexindex of maximum value returned here
Returns
none

◆ arm_absmax_f32()

void arm_absmax_f32 ( const float32_t *  pSrc,
uint32_t  blockSize,
float32_t *  pResult,
uint32_t *  pIndex 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
[out]pIndexindex of maximum value returned here
Returns
none

◆ arm_absmax_f64()

void arm_absmax_f64 ( const float64_t *  pSrc,
uint32_t  blockSize,
float64_t *  pResult,
uint32_t *  pIndex 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
[out]pIndexindex of maximum value returned here
Returns
none

◆ arm_absmax_no_idx_f16()

void arm_absmax_no_idx_f16 ( const float16_t *  pSrc,
uint32_t  blockSize,
float16_t *  pResult 
)

Maximum value of a floating-point vector.

Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
Returns
none

◆ arm_absmax_no_idx_f32()

void arm_absmax_no_idx_f32 ( const float32_t *  pSrc,
uint32_t  blockSize,
float32_t *  pResult 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
Returns
none

◆ arm_absmax_no_idx_f64()

void arm_absmax_no_idx_f64 ( const float64_t *  pSrc,
uint32_t  blockSize,
float64_t *  pResult 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
Returns
none

◆ arm_absmax_no_idx_q15()

void arm_absmax_no_idx_q15 ( const q15_t *  pSrc,
uint32_t  blockSize,
q15_t *  pResult 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
Returns
none

◆ arm_absmax_no_idx_q31()

void arm_absmax_no_idx_q31 ( const q31_t *  pSrc,
uint32_t  blockSize,
q31_t *  pResult 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
Returns
none

◆ arm_absmax_no_idx_q7()

void arm_absmax_no_idx_q7 ( const q7_t *  pSrc,
uint32_t  blockSize,
q7_t *  pResult 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
Returns
none

◆ arm_absmax_q15()

void arm_absmax_q15 ( const q15_t *  pSrc,
uint32_t  blockSize,
q15_t *  pResult,
uint32_t *  pIndex 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
[out]pIndexindex of maximum value returned here
Returns
none

◆ arm_absmax_q31()

void arm_absmax_q31 ( const q31_t *  pSrc,
uint32_t  blockSize,
q31_t *  pResult,
uint32_t *  pIndex 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
[out]pIndexindex of maximum value returned here
Returns
none

◆ arm_absmax_q7()

void arm_absmax_q7 ( const q7_t *  pSrc,
uint32_t  blockSize,
q7_t *  pResult,
uint32_t *  pIndex 
)
Parameters
[in]pSrcpoints to the input vector
[in]blockSizenumber of samples in input vector
[out]pResultmaximum value returned here
[out]pIndexindex of maximum value returned here
Returns
none