arm_nnsupportfunctions.h File Reference

Data Structures
union	arm_nnword
	Union for SIMD access of Q31/Q15/Q7 types. More...

Macros
#define	LEFT_SHIFT(_shift)
#define	RIGHT_SHIFT(_shift)
#define	Q31_MIN
#define	Q31_MAX
#define	NN_ROUND(out_shift)
	macro for adding rounding offset More...

Enumerations
enum	arm_nn_activation_type
	Struct for specifying activation function types. More...

Functions
void	arm_q7_to_q15_no_shift (const q7_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Converts the elements of the Q7 vector to Q15 vector without left-shift. More...
void	arm_q7_to_q15_reordered_no_shift (const q7_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Converts the elements of the Q7 vector to reordered Q15 vector without left-shift. More...
void	arm_nn_mult_q15 (q15_t *pSrcA, q15_t *pSrcB, q15_t *pDst, const uint16_t out_shift, uint32_t blockSize)
	Q7 vector multiplication with variable output shifts. More...
void	arm_nn_mult_q7 (q7_t *pSrcA, q7_t *pSrcB, q7_t *pDst, const uint16_t out_shift, uint32_t blockSize)
	Q7 vector multiplication with variable output shifts. More...
__STATIC_FORCEINLINE q31_t	arm_nn_sat_doubling_high_mult (const q31_t m1, const q31_t m2)
	Saturating doubling high multiply. Result matches NEON instruction VQRDMULH. More...
__STATIC_FORCEINLINE q31_t	arm_nn_divide_by_power_of_two (const q31_t dividend, const q31_t exponent)
	Rounding divide by power of two. More...

Macro Definition Documentation

#define LEFT_SHIFT

(

_shift

)

Referenced by arm_depthwise_conv_u8_basic_ver1().

#define NN_ROUND

(

out_shift

)

Referenced by arm_convolve_1x1_HWC_q7_fast_nonsquare(), arm_convolve_HWC_q15_basic(), arm_convolve_HWC_q15_fast(), arm_convolve_HWC_q15_fast_nonsquare(), arm_convolve_HWC_q7_basic(), arm_convolve_HWC_q7_basic_nonsquare(), arm_convolve_HWC_q7_fast(), arm_convolve_HWC_q7_fast_nonsquare(), arm_convolve_HWC_q7_RGB(), arm_depthwise_separable_conv_HWC_q7(), arm_depthwise_separable_conv_HWC_q7_nonsquare(), arm_fully_connected_mat_q7_vec_q15(), arm_fully_connected_mat_q7_vec_q15_opt(), arm_fully_connected_q15(), arm_fully_connected_q15_opt(), arm_fully_connected_q7(), arm_fully_connected_q7_opt(), arm_nn_mat_mult_kernel_q7_q15(), arm_nn_mat_mult_kernel_q7_q15_reordered(), arm_nn_mult_q15(), and arm_nn_mult_q7().

#define Q31_MAX

Referenced by arm_nn_sat_doubling_high_mult().

#define Q31_MIN

Referenced by arm_nn_sat_doubling_high_mult().

#define RIGHT_SHIFT

(

_shift

)

Referenced by arm_depthwise_conv_u8_basic_ver1().

Enumeration Type Documentation

enum arm_nn_activation_type

Enumerator
ARM_SIGMOID	Sigmoid activation function
ARM_TANH	Tanh activation function

Function Documentation

__STATIC_FORCEINLINE q31_t arm_nn_divide_by_power_of_two	(	const q31_t	dividend,
		const q31_t	exponent
	)

Parameters

[in]	dividend	- Dividend
[in]	exponent	- Divisor = power(2, exponent) Range: [0, 31]

Returns

Rounded result of division. Midpoint is rounded away from zero.

Referenced by arm_depthwise_conv_u8_basic_ver1().

__STATIC_FORCEINLINE q31_t arm_nn_sat_doubling_high_mult	(	const q31_t	m1,
		const q31_t	m2
	)

Parameters

[in]	m1	Multiplicand
[in]	m2	Multiplier

Returns

Result of multiplication.

References Q31_MAX, and Q31_MIN.

Referenced by arm_depthwise_conv_u8_basic_ver1().