Minimum [Statistics Functions]

Functions
void	arm_min_f32 (float32_t *pSrc, uint32_t blockSize, float32_t *pResult, uint32_t *pIndex)
void	arm_min_q31 (q31_t *pSrc, uint32_t blockSize, q31_t *pResult, uint32_t *pIndex)
void	arm_min_q15 (q15_t *pSrc, uint32_t blockSize, q15_t *pResult, uint32_t *pIndex)
void	arm_min_q7 (q7_t *pSrc, uint32_t blockSize, q7_t *pResult, uint32_t *pIndex)

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Detailed Description

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

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Function Documentation

void arm_min_f32	(	float32_t *	pSrc,
		uint32_t	blockSize,
		float32_t *	pResult,
		uint32_t *	pIndex
	)

Minimum value of a floating-point vector.

Parameters:

[in]	*pSrc	points to the input vector
[in]	blockSize	length of the input vector
[out]	*pResult	minimum value returned here
[out]	*pIndex	index of minimum value returned here

Returns:

none.

Examples:

arm_class_marks_example_f32.c, and arm_signal_converge_example_f32.c.

Definition at line 54 of file arm_min_f32.c.

void arm_min_q31	(	q31_t *	pSrc,
		uint32_t	blockSize,
		q31_t *	pResult,
		uint32_t *	pIndex
	)

Minimum value of a Q31 vector.

Parameters:

[in]	*pSrc	points to the input vector
[in]	blockSize	length of the input vector
[out]	*pResult	minimum value returned here
[out]	*pIndex	index of minimum value returned here

Returns:

none.

Definition at line 47 of file arm_min_q31.c.

void arm_min_q15	(	q15_t *	pSrc,
		uint32_t	blockSize,
		q15_t *	pResult,
		uint32_t *	pIndex
	)

Minimum value of a Q15 vector.

Parameters:

[in]	*pSrc	points to the input vector
[in]	blockSize	length of the input vector
[out]	*pResult	minimum value returned here
[out]	*pIndex	index of minimum value returned here

Returns:

none.

Conditions for optimum performance

Input and output buffers should be aligned by 32-bit

Definition at line 51 of file arm_min_q15.c.

void arm_min_q7	(	q7_t *	pSrc,
		uint32_t	blockSize,
		q7_t *	pResult,
		uint32_t *	pIndex
	)

Minimum value of a Q7 vector.

Parameters:

[in]	*pSrc	points to the input vector
[in]	blockSize	length of the input vector
[out]	*pResult	minimum value returned here
[out]	*pIndex	index of minimum value returned here

Returns:

none.

Conditions for optimum performance

Input and output buffers should be aligned by 32-bit

Definition at line 50 of file arm_min_q7.c.