csky_math.h File Reference

Data Structures
struct	cq31_t
	32-bit fractional complex data type in 1.31 format. More...
struct	cq15_t
	16-bit fractional complex data type in 1.15 format. More...
struct	csky_fir_instance_q7
	Instance structure for the Q7 FIR filter. More...
struct	csky_fir_instance_q15
	Instance structure for the Q15 FIR filter. More...
struct	csky_fir_instance_q31
	Instance structure for the Q31 FIR filter. More...
struct	csky_fir_instance_f32
	Instance structure for the floating-point FIR filter. More...
struct	csky_biquad_casd_df1_inst_q15
	Instance structure for the Q15 Biquad cascade filter. More...
struct	csky_biquad_casd_df1_inst_q31
	Instance structure for the Q31 Biquad cascade filter. More...
struct	csky_biquad_casd_df1_inst_f32
	Instance structure for the Q31 Biquad cascade filter. More...
struct	csky_matrix_instance_f32
	Instance structure for the floating-point matrix structure. More...
struct	csky_matrix_instance_f64
	Instance structure for the floating-point matrix structure. More...
struct	csky_matrix_instance_q15
	Instance structure for the Q15 matrix structure. More...
struct	csky_matrix_instance_q31
	Instance structure for the Q31 matrix structure. More...
struct	csky_pid_instance_q15
	Instance structure for the Q15 PID Control. More...
struct	csky_pid_instance_q31
	Instance structure for the Q31 PID Control. More...
struct	csky_pid_instance_f32
	Instance structure for the floating-point PID Control. More...
struct	csky_linear_interp_instance_f32
	Instance structure for the floating-point Linear Interpolate function. More...
struct	csky_bilinear_interp_instance_f32
	Instance structure for the floating-point bilinear interpolation function. More...
struct	csky_bilinear_interp_instance_q31
	Instance structure for the Q31 bilinear interpolation function. More...
struct	csky_bilinear_interp_instance_q15
	Instance structure for the Q15 bilinear interpolation function. More...
struct	csky_bilinear_interp_instance_q7
	Instance structure for the Q15 bilinear interpolation function. More...
struct	csky_cfft_radix2_instance_q15
	Instance structure for the Q15 CFFT/CIFFT function. More...
struct	csky_cfft_radix4_instance_q15
	Instance structure for the Q15 CFFT/CIFFT function. More...
struct	csky_cfft_radix2_instance_q31
	Instance structure for the Radix-2 Q31 CFFT/CIFFT function. More...
struct	csky_cfft_radix4_instance_q31
	Instance structure for the Q31 CFFT/CIFFT function. More...
struct	csky_cfft_radix2_instance_f32
	Instance structure for the floating-point CFFT/CIFFT function. More...
struct	csky_cfft_radix4_instance_f32
	Instance structure for the floating-point CFFT/CIFFT function. More...
struct	csky_cfft_instance_q15
	Instance structure for the fixed-point CFFT/CIFFT function. More...
struct	csky_cfft_instance_q31
	Instance structure for the fixed-point CFFT/CIFFT function. More...
struct	csky_cfft_instance_f32
	Instance structure for the floating-point CFFT/CIFFT function. More...
struct	csky_rfft_instance_q15
	Instance structure for the Q15 RFFT/RIFFT function. More...
struct	csky_rfft_instance_q31
	Instance structure for the Q31 RFFT/RIFFT function. More...
struct	csky_rfft_instance_f32
	Instance structure for the floating-point RFFT/RIFFT function. More...
struct	csky_rfft_fast_instance_f32
	Instance structure for the floating-point RFFT/RIFFT function. More...
struct	csky_dct4_instance_f32
	Instance structure for the floating-point DCT4/IDCT4 function. More...
struct	csky_dct4_instance_q31
	Instance structure for the Q31 DCT4/IDCT4 function. More...
struct	csky_dct4_instance_q15
	Instance structure for the Q15 DCT4/IDCT4 function. More...
struct	twi_table_rfft_q15
struct	twi_table_rfft_q31
struct	csky_fir_decimate_instance_q15
	Instance structure for the Q15 FIR decimator. More...
struct	csky_fir_decimate_instance_q31
	Instance structure for the Q31 FIR decimator. More...
struct	csky_fir_decimate_instance_f32
	Instance structure for the floating-point FIR decimator. More...
struct	csky_fir_interpolate_instance_q15
	Instance structure for the Q15 FIR interpolator. More...
struct	csky_fir_interpolate_instance_q31
	Instance structure for the Q31 FIR interpolator. More...
struct	csky_fir_interpolate_instance_f32
	Instance structure for the floating-point FIR interpolator. More...
struct	csky_biquad_cas_df1_32x64_ins_q31
	Instance structure for the high precision Q31 Biquad cascade filter. More...
struct	csky_biquad_cascade_df2T_instance_f32
	Instance structure for the floating-point transposed direct form II Biquad cascade filter. More...
struct	csky_biquad_cascade_stereo_df2T_instance_f32
	Instance structure for the floating-point transposed direct form II Biquad cascade filter. More...
struct	csky_biquad_cascade_df2T_instance_f64
	Instance structure for the floating-point transposed direct form II Biquad cascade filter. More...
struct	csky_fir_lattice_instance_q15
	Instance structure for the Q15 FIR lattice filter. More...
struct	csky_fir_lattice_instance_q31
	Instance structure for the Q31 FIR lattice filter. More...
struct	csky_fir_lattice_instance_f32
	Instance structure for the floating-point FIR lattice filter. More...
struct	csky_iir_lattice_instance_q15
	Instance structure for the Q15 IIR lattice filter. More...
struct	csky_iir_lattice_instance_q31
	Instance structure for the Q31 IIR lattice filter. More...
struct	csky_iir_lattice_instance_f32
	Instance structure for the floating-point IIR lattice filter. More...
struct	csky_lms_instance_f32
	Instance structure for the floating-point LMS filter. More...
struct	csky_lms_instance_q15
	Instance structure for the Q15 LMS filter. More...
struct	csky_lms_instance_q31
	Instance structure for the Q31 LMS filter. More...
struct	csky_lms_norm_instance_f32
	Instance structure for the floating-point normalized LMS filter. More...
struct	csky_lms_norm_instance_q31
	Instance structure for the Q31 normalized LMS filter. More...
struct	csky_lms_norm_instance_q15
	Instance structure for the Q15 normalized LMS filter. More...
struct	csky_fir_sparse_instance_f32
	Instance structure for the floating-point sparse FIR filter. More...
struct	csky_fir_sparse_instance_q31
	Instance structure for the Q31 sparse FIR filter. More...
struct	csky_fir_sparse_instance_q15
	Instance structure for the Q15 sparse FIR filter. More...
struct	csky_fir_sparse_instance_q7
	Instance structure for the Q7 sparse FIR filter. More...
union	mynumber
union	log2_cof1
union	log2_cof2
union	exp_cof1
union	exp_cof2
union	ieee754_double
struct	mp_no

Macros
#define	__CSI_GENERIC
#define	DELTA_Q31
	Macros required for reciprocal calculation in Normalized LMS. More...
#define	DELTA_Q15
#define	INDEX_MASK
#define	PI
#define	FAST_MATH_TABLE_SIZE
	Macros required for SINE and COSINE Fast math approximations. More...
#define	FAST_MATH_Q31_SHIFT
#define	FAST_MATH_Q15_SHIFT
#define	CONTROLLER_Q31_SHIFT
#define	TABLE_SIZE
#define	TABLE_SPACING_Q31
#define	TABLE_SPACING_Q15
#define	INPUT_SPACING
	Macros required for SINE and COSINE Controller functions. More...
#define	ALIGN4
	Macro for Unaligned Support. More...
#define	ABS(x)
	Macro for log , pow and related fast functions. More...
#define	max(x)
#define	min(x)
#define	CN
#define	HIGH_HALF
#define	LOW_HALF
#define	EADD(x, y, z, zz)
#define	EMULV(x, y, z, zz, p, hx, tx, hy, ty)
#define	MUL12(x, y, z, zz, p, hx, tx, hy, ty, q)
#define	ADD2(x, xx, y, yy, z, zz, r, s)
#define	SUB2(x, xx, y, yy, z, zz, r, s)
#define	MUL2(x, xx, y, yy, z, zz, p, hx, tx, hy, ty, q, c, cc)
#define	__SIMD32_TYPE
	definition to read/write two 16 bit values. More...
#define	CSI_UNUSED
#define	__SIMD32(addr)
#define	__SIMD32_CONST(addr)
#define	_SIMD32_OFFSET(addr)
#define	__SIMD64(addr)
#define	__PACKq7(v0, v1, v2, v3)
	definition to pack four 8 bit values. More...
#define	SHR(a, shift)
#define	PSHR(a, shift)
#define	PSHR_POSITIVE(a, shift)
#define	PSHR64(a, shift)
#define	multAcc_32x32_keep32_R(a, x, y)
#define	multSub_32x32_keep32_R(a, x, y)
#define	mult_32x32_keep32_R(a, x, y)
#define	multAcc_32x32_keep32(a, x, y)
#define	multSub_32x32_keep32(a, x, y)
#define	mult_32x32_keep32(a, x, y)

Typedefs
typedef int8_t	q7_t
	8-bit fractional data type in 1.7 format. More...
typedef int16_t	q15_t
	16-bit fractional data type in 1.15 format. More...
typedef int32_t	q31_t
	32-bit fractional data type in 1.31 format. More...
typedef int64_t	q63_t
	64-bit fractional data type in 1.63 format. More...
typedef float	float32_t
	32-bit floating-point type definition. More...
typedef double	float64_t
	64-bit floating-point type definition. More...

Enumerations
enum	csky_status
	Error status returned by some functions in the library. More...

Functions
static __INLINE q31_t	clip_q63_to_q31 (q63_t x)
	Clips Q63 to Q31 values. More...
void	csky_fir_q7 (const csky_fir_instance_q7 *S, q7_t *pSrc, q7_t *pDst, uint32_t blockSize)
void	csky_fir_init_q7 (csky_fir_instance_q7 *S, uint16_t numTaps, q7_t *pCoeffs, q7_t *pState, uint32_t blockSize)
void	csky_fir_q15 (const csky_fir_instance_q15 *S, q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Processing function for the Q15 FIR filter. More...
void	csky_fir_fast_q15 (const csky_fir_instance_q15 *S, q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
csky_status	csky_fir_init_q15 (csky_fir_instance_q15 *S, uint16_t numTaps, q15_t *pCoeffs, q15_t *pState, uint32_t blockSize)
void	csky_fir_q31 (const csky_fir_instance_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
void	csky_fir_fast_q31 (const csky_fir_instance_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
void	csky_fir_init_q31 (csky_fir_instance_q31 *S, uint16_t numTaps, q31_t *pCoeffs, q31_t *pState, uint32_t blockSize)
void	csky_fir_f32 (const csky_fir_instance_f32 *S, float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
void	csky_fir_init_f32 (csky_fir_instance_f32 *S, uint16_t numTaps, float32_t *pCoeffs, float32_t *pState, uint32_t blockSize)
void	csky_biquad_cascade_df1_q15 (const csky_biquad_casd_df1_inst_q15 *S, q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Processing function for the Q15 Biquad cascade filter. More...
void	csky_biquad_cascade_df1_init_q15 (csky_biquad_casd_df1_inst_q15 *S, uint8_t numStages, q15_t *pCoeffs, q15_t *pState, int8_t postShift)
void	csky_biquad_cascade_df1_fast_q15 (const csky_biquad_casd_df1_inst_q15 *S, q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
void	csky_biquad_cascade_df1_q31 (const csky_biquad_casd_df1_inst_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Processing function for the Q31 Biquad cascade filter. More...
void	csky_biquad_cascade_df1_fast_q31 (const csky_biquad_casd_df1_inst_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
void	csky_biquad_cascade_df1_init_q31 (csky_biquad_casd_df1_inst_q31 *S, uint8_t numStages, q31_t *pCoeffs, q31_t *pState, int8_t postShift)
void	csky_biquad_cascade_df1_f32 (const csky_biquad_casd_df1_inst_f32 *S, float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
void	csky_biquad_cascade_df1_init_f32 (csky_biquad_casd_df1_inst_f32 *S, uint8_t numStages, float32_t *pCoeffs, float32_t *pState)
	Initialization function for the floating-point Biquad cascade filter. More...
csky_status	csky_mat_add_f32 (const csky_matrix_instance_f32 *pSrcA, const csky_matrix_instance_f32 *pSrcB, csky_matrix_instance_f32 *pDst)
	Floating-point matrix addition. More...
csky_status	csky_mat_add_q15 (const csky_matrix_instance_q15 *pSrcA, const csky_matrix_instance_q15 *pSrcB, csky_matrix_instance_q15 *pDst)
	Q15 matrix addition. More...
csky_status	csky_mat_add_q31 (const csky_matrix_instance_q31 *pSrcA, const csky_matrix_instance_q31 *pSrcB, csky_matrix_instance_q31 *pDst)
	Q31 matrix addition. More...
csky_status	csky_mat_cmplx_mult_f32 (const csky_matrix_instance_f32 *pSrcA, const csky_matrix_instance_f32 *pSrcB, csky_matrix_instance_f32 *pDst)
	Floating-point Complex matrix multiplication. More...
csky_status	csky_mat_cmplx_mult_q15 (const csky_matrix_instance_q15 *pSrcA, const csky_matrix_instance_q15 *pSrcB, csky_matrix_instance_q15 *pDst, q15_t *pScratch)
	Q15 Complex matrix multiplication. More...
csky_status	csky_mat_cmplx_mult_q31 (const csky_matrix_instance_q31 *pSrcA, const csky_matrix_instance_q31 *pSrcB, csky_matrix_instance_q31 *pDst)
	Q31 Complex matrix multiplication. More...
csky_status	csky_mat_trans_f32 (const csky_matrix_instance_f32 *pSrc, csky_matrix_instance_f32 *pDst)
	Floating-point matrix transpose. More...
csky_status	csky_mat_trans_q15 (const csky_matrix_instance_q15 *pSrc, csky_matrix_instance_q15 *pDst)
csky_status	csky_mat_trans_q31 (const csky_matrix_instance_q31 *pSrc, csky_matrix_instance_q31 *pDst)
csky_status	csky_mat_mult_f32 (const csky_matrix_instance_f32 *pSrcA, const csky_matrix_instance_f32 *pSrcB, csky_matrix_instance_f32 *pDst)
	Floating-point matrix multiplication. More...
csky_status	csky_mat_mult_q15 (const csky_matrix_instance_q15 *pSrcA, const csky_matrix_instance_q15 *pSrcB, csky_matrix_instance_q15 *pDst, q15_t *pState)
	Q15 matrix multiplication. More...
csky_status	csky_mat_mult_fast_q15 (const csky_matrix_instance_q15 *pSrcA, const csky_matrix_instance_q15 *pSrcB, csky_matrix_instance_q15 *pDst, q15_t *pState)
csky_status	csky_mat_mult_q31 (const csky_matrix_instance_q31 *pSrcA, const csky_matrix_instance_q31 *pSrcB, csky_matrix_instance_q31 *pDst)
	Q31 matrix multiplication. More...
csky_status	csky_mat_mult_fast_q31 (const csky_matrix_instance_q31 *pSrcA, const csky_matrix_instance_q31 *pSrcB, csky_matrix_instance_q31 *pDst)
csky_status	csky_mat_sub_f32 (const csky_matrix_instance_f32 *pSrcA, const csky_matrix_instance_f32 *pSrcB, csky_matrix_instance_f32 *pDst)
	Floating-point matrix subtraction. More...
csky_status	csky_mat_sub_q15 (const csky_matrix_instance_q15 *pSrcA, const csky_matrix_instance_q15 *pSrcB, csky_matrix_instance_q15 *pDst)
	Q15 matrix subtraction. More...
csky_status	csky_mat_sub_q31 (const csky_matrix_instance_q31 *pSrcA, const csky_matrix_instance_q31 *pSrcB, csky_matrix_instance_q31 *pDst)
	Q31 matrix subtraction. More...
csky_status	csky_mat_scale_f32 (const csky_matrix_instance_f32 *pSrc, float32_t scale, csky_matrix_instance_f32 *pDst)
	Floating-point matrix scaling. More...
csky_status	csky_mat_scale_q15 (const csky_matrix_instance_q15 *pSrc, q15_t scaleFract, int32_t shift, csky_matrix_instance_q15 *pDst)
	Q15 matrix scaling. More...
csky_status	csky_mat_scale_q31 (const csky_matrix_instance_q31 *pSrc, q31_t scaleFract, int32_t shift, csky_matrix_instance_q31 *pDst)
	Q31 matrix scaling. More...
void	csky_mat_init_q31 (csky_matrix_instance_q31 *S, uint16_t nRows, uint16_t nColumns, q31_t *pData)
	Q31 matrix initialization. More...
void	csky_mat_init_q15 (csky_matrix_instance_q15 *S, uint16_t nRows, uint16_t nColumns, q15_t *pData)
	Q15 matrix initialization. More...
void	csky_mat_init_f32 (csky_matrix_instance_f32 *S, uint16_t nRows, uint16_t nColumns, float32_t *pData)
	Floating-point matrix initialization. More...
void	csky_pid_init_f32 (csky_pid_instance_f32 *S, int32_t resetStateFlag)
	Initialization function for the floating-point PID Control. More...
void	csky_pid_reset_f32 (csky_pid_instance_f32 *S)
	Reset function for the floating-point PID Control. More...
void	csky_pid_init_q31 (csky_pid_instance_q31 *S, int32_t resetStateFlag)
	Initialization function for the Q31 PID Control. More...
void	csky_pid_reset_q31 (csky_pid_instance_q31 *S)
	Reset function for the Q31 PID Control. More...
void	csky_pid_init_q15 (csky_pid_instance_q15 *S, int32_t resetStateFlag)
void	csky_pid_reset_q15 (csky_pid_instance_q15 *S)
	Reset function for the Q15 PID Control. More...
void	csky_mult_q7 (q7_t *pSrcA, q7_t *pSrcB, q7_t *pDst, uint32_t blockSize)
	Q7 vector multiplication. More...
void	csky_mult_q15 (q15_t *pSrcA, q15_t *pSrcB, q15_t *pDst, uint32_t blockSize)
	Q15 vector multiplication. More...
void	csky_mult_rnd_q15 (q15_t *pSrcA, q15_t *pSrcB, q15_t *pDst, uint32_t blockSize)
	Q15 vector multiplication with rounding. More...
void	csky_mult_q31 (q31_t *pSrcA, q31_t *pSrcB, q31_t *pDst, uint32_t blockSize)
	Q31 vector multiplication. More...
void	csky_mult_f32 (float32_t *pSrcA, float32_t *pSrcB, float32_t *pDst, uint32_t blockSize)
	Floating-point vector multiplication. More...
void	csky_cfft_q15 (const csky_cfft_instance_q15 *S, q15_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
	Processing function for the Q15 complex FFT. More...
void	csky_cfft_q31 (const csky_cfft_instance_q31 *S, q31_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
	Processing function for the fixed-point complex FFT in Q31 format. More...
void	csky_cfft_f32 (const csky_cfft_instance_f32 *S, float32_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
	Processing function for the floating-point complex FFT. More...
csky_status	csky_rfft_init_q15 (csky_rfft_instance_q15 *S, uint32_t fftLenReal, uint32_t ifftFlagR, uint32_t bitReverseFlag)
	Initialization function for the Q15 RFFT/RIFFT. More...
void	csky_rfft_q15 (const csky_rfft_instance_q15 *S, q15_t *pSrc, q15_t *pDst)
	Processing function for the Q15 RFFT/RIFFT. More...
csky_status	csky_rfft_init_q31 (csky_rfft_instance_q31 *S, uint32_t fftLenReal, uint32_t ifftFlagR, uint32_t bitReverseFlag)
	Initialization function for the Q31 RFFT/RIFFT. More...
void	csky_rfft_q31 (const csky_rfft_instance_q31 *S, q31_t *pSrc, q31_t *pDst)
	Processing function for the Q31 RFFT/RIFFT. More...
csky_status	csky_rfft_init_f32 (csky_rfft_instance_f32 *S, csky_cfft_radix4_instance_f32 *S_CFFT, uint32_t fftLenReal, uint32_t ifftFlagR, uint32_t bitReverseFlag)
	Initialization function for the floating-point RFFT/RIFFT. More...
void	csky_rfft_f32 (const csky_rfft_instance_f32 *S, float32_t *pSrc, float32_t *pDst)
	Processing function for the floating-point RFFT/RIFFT. More...
csky_status	csky_rfft_fast_init_f32 (csky_rfft_fast_instance_f32 *S, uint16_t fftLen)
	Initialization function for the floating-point real FFT. More...
void	csky_rfft_fast_f32 (csky_rfft_fast_instance_f32 *S, float32_t *p, float32_t *pOut, uint8_t ifftFlag)
	Processing function for the floating-point real FFT. More...
csky_status	csky_dct4_init_f32 (csky_dct4_instance_f32 *S, csky_rfft_instance_f32 *S_RFFT, csky_cfft_radix4_instance_f32 *S_CFFT, uint16_t N, uint16_t Nby2, float32_t normalize)
	Initialization function for the floating-point DCT4/IDCT4. More...
void	csky_dct4_f32 (const csky_dct4_instance_f32 *S, float32_t *pState, float32_t *pInlineBuffer)
	Processing function for the floating-point DCT4/IDCT4. More...
csky_status	csky_dct4_init_q31 (csky_dct4_instance_q31 *S, csky_rfft_instance_q31 *S_RFFT, csky_cfft_radix4_instance_q31 *S_CFFT, uint16_t N, uint16_t Nby2, q31_t normalize)
	Initialization function for the Q31 DCT4/IDCT4. More...
void	csky_dct4_q31 (const csky_dct4_instance_q31 *S, q31_t *pState, q31_t *pInlineBuffer)
	Processing function for the Q31 DCT4/IDCT4. More...
csky_status	csky_dct4_init_q15 (csky_dct4_instance_q15 *S, csky_rfft_instance_q15 *S_RFFT, csky_cfft_radix4_instance_q15 *S_CFFT, uint16_t N, uint16_t Nby2, q15_t normalize)
	Initialization function for the Q15 DCT4/IDCT4. More...
void	csky_dct4_q15 (const csky_dct4_instance_q15 *S, q15_t *pState, q15_t *pInlineBuffer)
	Processing function for the Q15 DCT4/IDCT4. More...
void	csky_add_f32 (float32_t *pSrcA, float32_t *pSrcB, float32_t *pDst, uint32_t blockSize)
	Floating-point vector addition. More...
void	csky_add_q7 (q7_t *pSrcA, q7_t *pSrcB, q7_t *pDst, uint32_t blockSize)
	Q7 vector addition. More...
void	csky_add_q15 (q15_t *pSrcA, q15_t *pSrcB, q15_t *pDst, uint32_t blockSize)
	Q15 vector addition. More...
void	csky_add_q31 (q31_t *pSrcA, q31_t *pSrcB, q31_t *pDst, uint32_t blockSize)
	Q31 vector addition. More...
void	csky_sub_f32 (float32_t *pSrcA, float32_t *pSrcB, float32_t *pDst, uint32_t blockSize)
	Floating-point vector subtraction. More...
void	csky_sub_q7 (q7_t *pSrcA, q7_t *pSrcB, q7_t *pDst, uint32_t blockSize)
	Q7 vector subtraction. More...
void	csky_sub_q15 (q15_t *pSrcA, q15_t *pSrcB, q15_t *pDst, uint32_t blockSize)
	Q15 vector subtraction. More...
void	csky_sub_q31 (q31_t *pSrcA, q31_t *pSrcB, q31_t *pDst, uint32_t blockSize)
	Q31 vector subtraction. More...
void	csky_scale_f32 (float32_t *pSrc, float32_t scale, float32_t *pDst, uint32_t blockSize)
	Multiplies a floating-point vector by a scalar. More...
void	csky_scale_q7 (q7_t *pSrc, q7_t scaleFract, int8_t shift, q7_t *pDst, uint32_t blockSize)
	Multiplies a Q7 vector by a scalar. More...
void	csky_scale_q15 (q15_t *pSrc, q15_t scaleFract, int8_t shift, q15_t *pDst, uint32_t blockSize)
	Multiplies a Q15 vector by a scalar. More...
void	csky_scale_q31 (q31_t *pSrc, q31_t scaleFract, int8_t shift, q31_t *pDst, uint32_t blockSize)
	Multiplies a Q31 vector by a scalar. More...
void	csky_abs_q7 (q7_t *pSrc, q7_t *pDst, uint32_t blockSize)
	Q7 vector absolute value. More...
void	csky_abs_f32 (float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Floating-point vector absolute value. More...
void	csky_abs_q15 (q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Q15 vector absolute value. More...
void	csky_abs_q31 (q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Q31 vector absolute value. More...
void	csky_abs_max_q15 (q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Q15 vector absolute max value. More...
void	csky_abs_max_q31 (q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Q31 vector absolute max value. More...
void	csky_dot_prod_f32 (float32_t *pSrcA, float32_t *pSrcB, uint32_t blockSize, float32_t *result)
	Dot product of floating-point vectors. More...
void	csky_dot_prod_q7 (q7_t *pSrcA, q7_t *pSrcB, uint32_t blockSize, q31_t *result)
	Dot product of Q7 vectors. More...
void	csky_dot_prod_q15 (q15_t *pSrcA, q15_t *pSrcB, uint32_t blockSize, q63_t *result)
	Dot product of Q15 vectors. More...
void	csky_dot_prod_q31 (q31_t *pSrcA, q31_t *pSrcB, uint32_t blockSize, q63_t *result)
	Dot product of Q31 vectors. More...
void	csky_shift_q7 (q7_t *pSrc, int8_t shiftBits, q7_t *pDst, uint32_t blockSize)
	Shifts the elements of a Q7 vector a specified number of bits. More...
void	csky_shift_q15 (q15_t *pSrc, int8_t shiftBits, q15_t *pDst, uint32_t blockSize)
	Shifts the elements of a Q15 vector a specified number of bits. More...
void	csky_shift_q31 (q31_t *pSrc, int8_t shiftBits, q31_t *pDst, uint32_t blockSize)
	Shifts the elements of a Q31 vector a specified number of bits. More...
void	csky_offset_f32 (float32_t *pSrc, float32_t offset, float32_t *pDst, uint32_t blockSize)
	Adds a constant offset to a floating-point vector. More...
void	csky_offset_q7 (q7_t *pSrc, q7_t offset, q7_t *pDst, uint32_t blockSize)
	Adds a constant offset to a Q7 vector. More...
void	csky_offset_q15 (q15_t *pSrc, q15_t offset, q15_t *pDst, uint32_t blockSize)
	Adds a constant offset to a Q15 vector. More...
void	csky_offset_q31 (q31_t *pSrc, q31_t offset, q31_t *pDst, uint32_t blockSize)
	Adds a constant offset to a Q31 vector. More...
void	csky_negate_f32 (float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Negates the elements of a floating-point vector. More...
void	csky_negate_q7 (q7_t *pSrc, q7_t *pDst, uint32_t blockSize)
	Negates the elements of a Q7 vector. More...
void	csky_negate_q15 (q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Negates the elements of a Q15 vector. More...
void	csky_negate_q31 (q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Negates the elements of a Q31 vector. More...
void	csky_copy_f32 (float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Copies the elements of a floating-point vector. More...
void	csky_copy_q7 (q7_t *pSrc, q7_t *pDst, uint32_t blockSize)
	Copies the elements of a Q7 vector. More...
void	csky_copy_q15 (q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Copies the elements of a Q15 vector. More...
void	csky_copy_q31 (q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Copies the elements of a Q31 vector. More...
void	csky_fill_f32 (float32_t value, float32_t *pDst, uint32_t blockSize)
	Fills a constant value into a floating-point vector. More...
void	csky_fill_q7 (q7_t value, q7_t *pDst, uint32_t blockSize)
	Fills a constant value into a Q7 vector. More...
void	csky_fill_q15 (q15_t value, q15_t *pDst, uint32_t blockSize)
	Fills a constant value into a Q15 vector. More...
void	csky_fill_q31 (q31_t value, q31_t *pDst, uint32_t blockSize)
	Fills a constant value into a Q31 vector. More...
void	csky_conv_f32 (float32_t *pSrcA, uint32_t srcALen, float32_t *pSrcB, uint32_t srcBLen, float32_t *pDst)
	Convolution of floating-point sequences. More...
void	csky_conv_opt_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, q15_t *pScratch1, q15_t *pScratch2)
	Convolution of Q15 sequences. More...
void	csky_conv_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst)
	Convolution of Q15 sequences. More...
void	csky_conv_fast_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst)
void	csky_conv_fast_opt_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, q15_t *pScratch1, q15_t *pScratch2)
void	csky_conv_q31 (q31_t *pSrcA, uint32_t srcALen, q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst)
	Convolution of Q31 sequences. More...
void	csky_conv_fast_q31 (q31_t *pSrcA, uint32_t srcALen, q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst)
void	csky_conv_opt_q7 (q7_t *pSrcA, uint32_t srcALen, q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst, q15_t *pScratch1, q15_t *pScratch2)
	Convolution of Q7 sequences. More...
void	csky_conv_q7 (q7_t *pSrcA, uint32_t srcALen, q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst)
	Convolution of Q7 sequences. More...
csky_status	csky_conv_partial_f32 (float32_t *pSrcA, uint32_t srcALen, float32_t *pSrcB, uint32_t srcBLen, float32_t *pDst, uint32_t firstIndex, uint32_t numPoints)
	Partial convolution of floating-point sequences. More...
csky_status	csky_conv_partial_opt_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, uint32_t firstIndex, uint32_t numPoints, q15_t *pScratch1, q15_t *pScratch2)
	Partial convolution of Q15 sequences. More...
csky_status	csky_conv_partial_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, uint32_t firstIndex, uint32_t numPoints)
	Partial convolution of Q15 sequences. More...
csky_status	csky_conv_partial_fast_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, uint32_t firstIndex, uint32_t numPoints)
csky_status	csky_conv_partial_fast_opt_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, uint32_t firstIndex, uint32_t numPoints, q15_t *pScratch1, q15_t *pScratch2)
csky_status	csky_conv_partial_q31 (q31_t *pSrcA, uint32_t srcALen, q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst, uint32_t firstIndex, uint32_t numPoints)
	Partial convolution of Q31 sequences. More...
csky_status	csky_conv_partial_fast_q31 (q31_t *pSrcA, uint32_t srcALen, q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst, uint32_t firstIndex, uint32_t numPoints)
csky_status	csky_conv_partial_opt_q7 (q7_t *pSrcA, uint32_t srcALen, q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst, uint32_t firstIndex, uint32_t numPoints, q15_t *pScratch1, q15_t *pScratch2)
	Partial convolution of Q7 sequences. More...
csky_status	csky_conv_partial_q7 (q7_t *pSrcA, uint32_t srcALen, q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst, uint32_t firstIndex, uint32_t numPoints)
	Partial convolution of Q7 sequences. More...
q15_t	csky_dsp_lib_vec_max_abs16 (q15_t *A, uint32_t N)
	Q15 vector absolute max value. More...
q31_t	csky_dsp_lib_vec_max_abs32 (q31_t *A, uint32_t N)
	Q31 vector absolute max value. More...
void	csky_dsp_lib_vec_abs16 (q15_t *A, uint32_t N, q15_t *C)
	Q15 vector absolute value. More...
void	csky_dsp_lib_vec_abs32 (q31_t *A, uint32_t N, q31_t *C)
	Q31 vector absolute value. More...
void	csky_dsp_lib_vec_add16 (q15_t *A, q15_t *B, uint32_t N, q15_t *C)
	Q15 vector addition. More...
void	csky_dsp_lib_vec_add32 (q31_t *A, q31_t *B, uint32_t N, q31_t *C)
	Q31 vector addition. More...
void	csky_dsp_lib_vec_cx_conj_q15 (q15_t *A, uint32_t N, q15_t *B)
	Q15 complex vector conjugate. More...
void	csky_dsp_lib_vec_cx_conj_q31 (q31_t *A, uint32_t N, q31_t *C)
	Q31 complex vector conjugate. More...
q31_t	csky_dsp_lib_vec_dot_q15 (q15_t *A, q15_t *B, uint32_t N)
	Q15 vector dot product. More...
q31_t	csky_dsp_lib_vec_dot_q31 (q31_t *A, q31_t *B, uint32_t N)
	Q31 vector dot product. More...
void	csky_dsp_lib_mat_cx_add16 (cq15_t *A, cq15_t *B, uint32_t N, uint32_t M, cq15_t *C)
void	csky_dsp_lib_mat_cx_add32 (cq31_t *A, cq31_t *B, uint32_t N, uint32_t M, cq31_t *C)
void	csky_dsp_lib_mat_cx_mul_q15 (cq15_t *A, cq15_t *B, uint32_t N, uint32_t M, uint32_t L, cq15_t *C)
void	csky_dsp_lib_mat_cx_mul_q31 (cq31_t *A, cq31_t *B, uint32_t N, uint32_t M, uint32_t L, cq31_t *C)
void	csky_dsp_lib_mat_cx_sub16 (cq15_t *A, cq15_t *B, uint32_t N, uint32_t M, cq15_t *C)
void	csky_dsp_lib_mat_cx_sub32 (cq31_t *A, cq31_t *B, uint32_t N, uint32_t M, cq31_t *C)
void	csky_dsp_lib_vec_mul_q15 (q15_t *A, q15_t *B, uint32_t N, q15_t *C)
	Q15 vector Multiplication. More...
void	csky_dsp_lib_vec_mul_q31 (q31_t *A, q31_t *B, uint32_t N, q31_t *C)
	Q31 vector multiplication. More...
q31_t	csky_dsp_lib_pow_int32 (q31_t arg_in_x, q15_t arg_exp_in_x, q31_t arg_in_y, q15_t arg_exp_in_y, q31_t *arg_exp_out)
	Fast approximation to the exponential function for float64_t-point data. More...
void	csky_dsp_lib_vec_scale_q15 (q15_t *A, q15_t scaleFract, int8_t shift, q15_t *B, uint32_t N)
	Q15 vector scale. More...
void	csky_dsp_lib_vec_scale_q31 (q31_t *A, q31_t scaleFract, int8_t shift, q31_t *B, uint32_t N)
	Q31 vector scale. More...
void	csky_dsp_lib_vec_shf16 (q15_t *A, int8_t shift_val, uint32_t N, q15_t *C)
	Q15 vector shift. More...
void	csky_dsp_lib_vec_shf32 (q31_t *A, q31_t shift_val, uint32_t N, q31_t *C)
q15_t	csky_dsp_lib_sqrt_int32 (q31_t x, uint32_t rnd_flag)
	Q31 square root function. More...
void	csky_dsp_lib_vec_sub16 (q15_t *A, q15_t *B, uint32_t N, q15_t *C)
	Q15 vector subtraction. More...
void	csky_dsp_lib_vec_sub32 (q31_t *A, q31_t *B, uint32_t N, q31_t *C)
	Q31 vector subtraction. More...
q63_t	csky_dsp_lib_vec_sum16 (q15_t *A, uint32_t N)
	Q15 vector summation. More...
q63_t	csky_dsp_lib_vec_sum32 (q31_t *A, uint32_t N)
void	csky_fft_lib_cx16_fft (q31_t log2_buf_len, q15_t *in_buf, q15_t *out_buf, const q15_t *twi_table, const uint16_t *bitrev_tbl, q15_t *temp_buf, q7_t *ScaleShift, q31_t br)
	Processing function for the Q15 complex FFT. More...
void	csky_fft_lib_cx32_fft (q31_t log2_buf_len, q31_t *in_buf, q31_t *out_buf, const q31_t *twi_table, const uint16_t *bitrev_tbl, q31_t *temp_buf, q31_t br)
	Processing function for the Q31 complex FFT. More...
void	csky_fft_lib_cx16_ifft (q31_t log2_buf_len, q15_t *in_buf, q15_t *out_buf, const q15_t *twi_table, const uint16_t *bitrev_tbl, q15_t *temp_buf, q7_t *ScaleShift, q31_t br)
	Processing function for the Q15 complex inverse FFT. More...
void	csky_fft_lib_cx32_ifft (q31_t log2_buf_len, q31_t *in_buf, q31_t *out_buf, const q31_t *twi_table, const uint16_t *bitrev_tbl, q31_t *temp_buf, q31_t br)
	Processing function for the Q31 complex inverse FFT. More...
void	csky_fft_lib_int16_fft (q31_t log2_buf_len, q15_t *in_buf, q15_t *out_buf, const q15_t *twi_table, const twi_table_rfft_q15 *last_stage_twi_table, const uint16_t *bitrev_tbl, q15_t *temp_buf, q7_t *ScaleShift, q31_t br)
	Processing function for the Q15 real FFT. More...
void	csky_fft_lib_int32_fft (q31_t log2_buf_len, q31_t *in_buf, q31_t *out_buf, const q31_t *twi_table, const twi_table_rfft_q31 *last_stage_twi_table, const uint16_t *bitrev_tbl, q31_t *temp_buf, q31_t br)
	Processing function for the Q31 real FFT. More...
void	csky_fft_lib_int16_ifft (q31_t log2_buf_len, q15_t *in_buf, q15_t *out_buf, const q15_t *twi_table, const twi_table_rfft_q15 *last_stage_twi_table, const uint16_t *bitrev_tbl, q15_t *temp_buf, q7_t *ScaleShift, q31_t br)
	Processing function for the Q15 real inverse FFT. More...
void	csky_fft_lib_int32_ifft (q31_t log2_buf_len, q31_t *in_buf, q31_t *out_buf, const q31_t *twi_table, const twi_table_rfft_q31 *last_stage_twi_table, const uint16_t *bitrev_tbl, q31_t *temp_buf, q31_t br)
	Processing function for the Q31 real inverse FFT. More...
void	csky_fir_decimate_f32 (const csky_fir_decimate_instance_f32 *S, float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Processing function for the floating-point FIR decimator. More...
csky_status	csky_fir_decimate_init_f32 (csky_fir_decimate_instance_f32 *S, uint16_t numTaps, uint8_t M, float32_t *pCoeffs, float32_t *pState, uint32_t blockSize)
	Initialization function for the floating-point FIR decimator. More...
void	csky_fir_decimate_q15 (const csky_fir_decimate_instance_q15 *S, q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Processing function for the Q15 FIR decimator. More...
void	csky_fir_decimate_fast_q15 (const csky_fir_decimate_instance_q15 *S, q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
csky_status	csky_fir_decimate_init_q15 (csky_fir_decimate_instance_q15 *S, uint16_t numTaps, uint8_t M, q15_t *pCoeffs, q15_t *pState, uint32_t blockSize)
	Initialization function for the Q15 FIR decimator. More...
void	csky_fir_decimate_q31 (const csky_fir_decimate_instance_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Processing function for the Q31 FIR decimator. More...
void	csky_fir_decimate_fast_q31 (csky_fir_decimate_instance_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
csky_status	csky_fir_decimate_init_q31 (csky_fir_decimate_instance_q31 *S, uint16_t numTaps, uint8_t M, q31_t *pCoeffs, q31_t *pState, uint32_t blockSize)
	Initialization function for the Q31 FIR decimator. More...
void	csky_fir_interpolate_q15 (const csky_fir_interpolate_instance_q15 *S, q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Processing function for the Q15 FIR interpolator. More...
csky_status	csky_fir_interpolate_init_q15 (csky_fir_interpolate_instance_q15 *S, uint8_t L, uint16_t numTaps, q15_t *pCoeffs, q15_t *pState, uint32_t blockSize)
	Initialization function for the Q15 FIR interpolator. More...
void	csky_fir_interpolate_q31 (const csky_fir_interpolate_instance_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Processing function for the Q31 FIR interpolator. More...
csky_status	csky_fir_interpolate_init_q31 (csky_fir_interpolate_instance_q31 *S, uint8_t L, uint16_t numTaps, q31_t *pCoeffs, q31_t *pState, uint32_t blockSize)
	Initialization function for the Q31 FIR interpolator. More...
void	csky_fir_interpolate_f32 (const csky_fir_interpolate_instance_f32 *S, float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Processing function for the floating-point FIR interpolator. More...
csky_status	csky_fir_interpolate_init_f32 (csky_fir_interpolate_instance_f32 *S, uint8_t L, uint16_t numTaps, float32_t *pCoeffs, float32_t *pState, uint32_t blockSize)
	Initialization function for the floating-point FIR interpolator. More...
void	csky_biquad_cas_df1_32x64_q31 (const csky_biquad_cas_df1_32x64_ins_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
void	csky_biquad_cas_df1_32x64_init_q31 (csky_biquad_cas_df1_32x64_ins_q31 *S, uint8_t numStages, q31_t *pCoeffs, q63_t *pState, uint8_t postShift)
void	csky_biquad_cascade_df2T_f32 (const csky_biquad_cascade_df2T_instance_f32 *S, float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Processing function for the floating-point transposed direct form II Biquad cascade filter. More...
void	csky_biquad_cascade_stereo_df2T_f32 (const csky_biquad_cascade_stereo_df2T_instance_f32 *S, float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Processing function for the floating-point transposed direct form II Biquad cascade filter. More...
void	csky_biquad_cascade_df2T_f64 (const csky_biquad_cascade_df2T_instance_f64 *S, float64_t *pSrc, float64_t *pDst, uint32_t blockSize)
	Processing function for the floating-point transposed direct form II Biquad cascade filter. More...
void	csky_biquad_cascade_df2T_init_f32 (csky_biquad_cascade_df2T_instance_f32 *S, uint8_t numStages, float32_t *pCoeffs, float32_t *pState)
	Initialization function for the floating-point transposed direct form II Biquad cascade filter. More...
void	csky_biquad_cascade_stereo_df2T_init_f32 (csky_biquad_cascade_stereo_df2T_instance_f32 *S, uint8_t numStages, float32_t *pCoeffs, float32_t *pState)
	Initialization function for the floating-point transposed direct form II Biquad cascade filter. More...
void	csky_biquad_cascade_df2T_init_f64 (csky_biquad_cascade_df2T_instance_f64 *S, uint8_t numStages, float64_t *pCoeffs, float64_t *pState)
	Initialization function for the floating-point transposed direct form II Biquad cascade filter. More...
void	csky_fir_lattice_init_q15 (csky_fir_lattice_instance_q15 *S, uint16_t numStages, q15_t *pCoeffs, q15_t *pState)
	Initialization function for the Q15 FIR lattice filter. More...
void	csky_fir_lattice_q15 (const csky_fir_lattice_instance_q15 *S, q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Processing function for the Q15 FIR lattice filter. More...
void	csky_fir_lattice_init_q31 (csky_fir_lattice_instance_q31 *S, uint16_t numStages, q31_t *pCoeffs, q31_t *pState)
	Initialization function for the Q31 FIR lattice filter. More...
void	csky_fir_lattice_q31 (const csky_fir_lattice_instance_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Processing function for the Q31 FIR lattice filter. More...
void	csky_fir_lattice_init_f32 (csky_fir_lattice_instance_f32 *S, uint16_t numStages, float32_t *pCoeffs, float32_t *pState)
	Initialization function for the floating-point FIR lattice filter. More...
void	csky_fir_lattice_f32 (const csky_fir_lattice_instance_f32 *S, float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Processing function for the floating-point FIR lattice filter. More...
void	csky_iir_lattice_f32 (const csky_iir_lattice_instance_f32 *S, float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Processing function for the floating-point IIR lattice filter. More...
void	csky_iir_lattice_init_f32 (csky_iir_lattice_instance_f32 *S, uint16_t numStages, float32_t *pkCoeffs, float32_t *pvCoeffs, float32_t *pState, uint32_t blockSize)
	Initialization function for the floating-point IIR lattice filter. More...
void	csky_iir_lattice_q31 (const csky_iir_lattice_instance_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Processing function for the Q31 IIR lattice filter. More...
void	csky_iir_lattice_init_q31 (csky_iir_lattice_instance_q31 *S, uint16_t numStages, q31_t *pkCoeffs, q31_t *pvCoeffs, q31_t *pState, uint32_t blockSize)
	Initialization function for the Q31 IIR lattice filter. More...
void	csky_iir_lattice_q15 (const csky_iir_lattice_instance_q15 *S, q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Processing function for the Q15 IIR lattice filter. More...
void	csky_iir_lattice_init_q15 (csky_iir_lattice_instance_q15 *S, uint16_t numStages, q15_t *pkCoeffs, q15_t *pvCoeffs, q15_t *pState, uint32_t blockSize)
	Initialization function for the Q15 IIR lattice filter. More...
void	csky_lms_f32 (const csky_lms_instance_f32 *S, float32_t *pSrc, float32_t *pRef, float32_t *pOut, float32_t *pErr, uint32_t blockSize)
	Processing function for floating-point LMS filter. More...
void	csky_lms_init_f32 (csky_lms_instance_f32 *S, uint16_t numTaps, float32_t *pCoeffs, float32_t *pState, float32_t mu, uint32_t blockSize)
	Initialization function for floating-point LMS filter. More...
void	csky_lms_init_q15 (csky_lms_instance_q15 *S, uint16_t numTaps, q15_t *pCoeffs, q15_t *pState, q15_t mu, uint32_t blockSize, uint32_t postShift)
	Initialization function for the Q15 LMS filter. More...
void	csky_lms_q15 (const csky_lms_instance_q15 *S, q15_t *pSrc, q15_t *pRef, q15_t *pOut, q15_t *pErr, uint32_t blockSize)
	Processing function for Q15 LMS filter. More...
void	csky_lms_q31 (const csky_lms_instance_q31 *S, q31_t *pSrc, q31_t *pRef, q31_t *pOut, q31_t *pErr, uint32_t blockSize)
	Processing function for Q31 LMS filter. More...
void	csky_lms_init_q31 (csky_lms_instance_q31 *S, uint16_t numTaps, q31_t *pCoeffs, q31_t *pState, q31_t mu, uint32_t blockSize, uint32_t postShift)
	Initialization function for Q31 LMS filter. More...
void	csky_lms_norm_f32 (csky_lms_norm_instance_f32 *S, float32_t *pSrc, float32_t *pRef, float32_t *pOut, float32_t *pErr, uint32_t blockSize)
	Processing function for floating-point normalized LMS filter. More...
void	csky_lms_norm_init_f32 (csky_lms_norm_instance_f32 *S, uint16_t numTaps, float32_t *pCoeffs, float32_t *pState, float32_t mu, uint32_t blockSize)
	Initialization function for floating-point normalized LMS filter. More...
void	csky_lms_norm_q31 (csky_lms_norm_instance_q31 *S, q31_t *pSrc, q31_t *pRef, q31_t *pOut, q31_t *pErr, uint32_t blockSize)
	Processing function for Q31 normalized LMS filter. More...
void	csky_lms_norm_init_q31 (csky_lms_norm_instance_q31 *S, uint16_t numTaps, q31_t *pCoeffs, q31_t *pState, q31_t mu, uint32_t blockSize, uint8_t postShift)
	Initialization function for Q31 normalized LMS filter. More...
void	csky_lms_norm_q15 (csky_lms_norm_instance_q15 *S, q15_t *pSrc, q15_t *pRef, q15_t *pOut, q15_t *pErr, uint32_t blockSize)
	Processing function for Q15 normalized LMS filter. More...
void	csky_lms_norm_init_q15 (csky_lms_norm_instance_q15 *S, uint16_t numTaps, q15_t *pCoeffs, q15_t *pState, q15_t mu, uint32_t blockSize, uint8_t postShift)
	Initialization function for Q15 normalized LMS filter. More...
void	csky_correlate_f32 (float32_t *pSrcA, uint32_t srcALen, float32_t *pSrcB, uint32_t srcBLen, float32_t *pDst)
	Correlation of floating-point sequences. More...
void	csky_correlate_opt_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, q15_t *pScratch)
	Correlation of Q15 sequences. More...
void	csky_correlate_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst)
	Correlation of Q15 sequences. More...
void	csky_correlate_fast_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst)
void	csky_correlate_fast_opt_q15 (q15_t *pSrcA, uint32_t srcALen, q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, q15_t *pScratch)
void	csky_correlate_q31 (q31_t *pSrcA, uint32_t srcALen, q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst)
	Correlation of Q31 sequences. More...
void	csky_correlate_fast_q31 (q31_t *pSrcA, uint32_t srcALen, q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst)
void	csky_correlate_opt_q7 (q7_t *pSrcA, uint32_t srcALen, q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst, q15_t *pScratch1, q15_t *pScratch2)
	Correlation of Q7 sequences. More...
void	csky_correlate_q7 (q7_t *pSrcA, uint32_t srcALen, q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst)
	Correlation of Q7 sequences. More...
void	csky_fir_sparse_f32 (csky_fir_sparse_instance_f32 *S, float32_t *pSrc, float32_t *pDst, float32_t *pScratchIn, uint32_t blockSize)
	Processing function for the floating-point sparse FIR filter. More...
void	csky_fir_sparse_init_f32 (csky_fir_sparse_instance_f32 *S, uint16_t numTaps, float32_t *pCoeffs, float32_t *pState, int32_t *pTapDelay, uint16_t maxDelay, uint32_t blockSize)
	Initialization function for the floating-point sparse FIR filter. More...
void	csky_fir_sparse_q31 (csky_fir_sparse_instance_q31 *S, q31_t *pSrc, q31_t *pDst, q31_t *pScratchIn, uint32_t blockSize)
	Processing function for the Q31 sparse FIR filter. More...
void	csky_fir_sparse_init_q31 (csky_fir_sparse_instance_q31 *S, uint16_t numTaps, q31_t *pCoeffs, q31_t *pState, int32_t *pTapDelay, uint16_t maxDelay, uint32_t blockSize)
	Initialization function for the Q31 sparse FIR filter. More...
void	csky_fir_sparse_q15 (csky_fir_sparse_instance_q15 *S, q15_t *pSrc, q15_t *pDst, q15_t *pScratchIn, q31_t *pScratchOut, uint32_t blockSize)
	Processing function for the Q15 sparse FIR filter. More...
void	csky_fir_sparse_init_q15 (csky_fir_sparse_instance_q15 *S, uint16_t numTaps, q15_t *pCoeffs, q15_t *pState, int32_t *pTapDelay, uint16_t maxDelay, uint32_t blockSize)
	Initialization function for the Q15 sparse FIR filter. More...
void	csky_fir_sparse_q7 (csky_fir_sparse_instance_q7 *S, q7_t *pSrc, q7_t *pDst, q7_t *pScratchIn, q31_t *pScratchOut, uint32_t blockSize)
	Processing function for the Q7 sparse FIR filter. More...
void	csky_fir_sparse_init_q7 (csky_fir_sparse_instance_q7 *S, uint16_t numTaps, q7_t *pCoeffs, q7_t *pState, int32_t *pTapDelay, uint16_t maxDelay, uint32_t blockSize)
	Initialization function for the Q7 sparse FIR filter. More...
void	csky_sin_cos_f32 (float32_t theta, float32_t *pSinVal, float32_t *pCosVal)
	Floating-point sin_cos function. More...
void	csky_sin_cos_q31 (q31_t theta, q31_t *pSinVal, q31_t *pCosVal)
	Q31 sin_cos function. More...
void	csky_cmplx_conj_f32 (float32_t *pSrc, float32_t *pDst, uint32_t numSamples)
	Floating-point complex conjugate. More...
void	csky_cmplx_conj_q31 (q31_t *pSrc, q31_t *pDst, uint32_t numSamples)
	Q31 complex conjugate. More...
void	csky_cmplx_conj_q15 (q15_t *pSrc, q15_t *pDst, uint32_t numSamples)
	Q15 complex conjugate. More...
void	csky_cmplx_mag_squared_f32 (float32_t *pSrc, float32_t *pDst, uint32_t numSamples)
	Floating-point complex magnitude squared. More...
void	csky_cmplx_mag_squared_q31 (q31_t *pSrc, q31_t *pDst, uint32_t numSamples)
	Q31 complex magnitude squared. More...
void	csky_cmplx_mag_squared_q15 (q15_t *pSrc, q15_t *pDst, uint32_t numSamples)
	Q15 complex magnitude squared. More...
__ALWAYS_INLINE float32_t	csky_pid_f32 (csky_pid_instance_f32 *S, float32_t in)
	Process function for the floating-point PID Control. More...
__ALWAYS_INLINE q31_t	csky_pid_q31 (csky_pid_instance_q31 *S, q31_t in)
	Process function for the Q31 PID Control. More...
__ALWAYS_INLINE q15_t	csky_pid_q15 (csky_pid_instance_q15 *S, q15_t in)
	Process function for the Q15 PID Control. More...
csky_status	csky_mat_inverse_f32 (const csky_matrix_instance_f32 *src, csky_matrix_instance_f32 *dst)
	Floating-point matrix inverse. More...
csky_status	csky_mat_inverse_f64 (const csky_matrix_instance_f64 *src, csky_matrix_instance_f64 *dst)
	Floating-point matrix inverse. More...
__ALWAYS_INLINE void	csky_clarke_f32 (float32_t Ia, float32_t Ib, float32_t *pIalpha, float32_t *pIbeta)
	Floating-point Clarke transform. More...
__ALWAYS_INLINE void	csky_clarke_q31 (q31_t Ia, q31_t Ib, q31_t *pIalpha, q31_t *pIbeta)
	Clarke transform for Q31 version. More...
void	csky_q7_to_q31 (q7_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Converts the elements of the Q7 vector to Q31 vector. More...
__ALWAYS_INLINE void	csky_inv_clarke_f32 (float32_t Ialpha, float32_t Ibeta, float32_t *pIa, float32_t *pIb)
	Floating-point Inverse Clarke transform. More...
__ALWAYS_INLINE void	csky_inv_clarke_q31 (q31_t Ialpha, q31_t Ibeta, q31_t *pIa, q31_t *pIb)
	Inverse Clarke transform for Q31 version. More...
void	csky_q7_to_q15 (q7_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Converts the elements of the Q7 vector to Q15 vector. More...
__ALWAYS_INLINE void	csky_park_f32 (float32_t Ialpha, float32_t Ibeta, float32_t *pId, float32_t *pIq, float32_t sinVal, float32_t cosVal)
	Floating-point Park transform. More...
__ALWAYS_INLINE void	csky_park_q31 (q31_t Ialpha, q31_t Ibeta, q31_t *pId, q31_t *pIq, q31_t sinVal, q31_t cosVal)
	Park transform for Q31 version. More...
void	csky_q7_to_float (q7_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Converts the elements of the Q7 vector to floating-point vector. More...
__ALWAYS_INLINE void	csky_inv_park_f32 (float32_t Id, float32_t Iq, float32_t *pIalpha, float32_t *pIbeta, float32_t sinVal, float32_t cosVal)
	Floating-point Inverse Park transform. More...
__ALWAYS_INLINE void	csky_inv_park_q31 (q31_t Id, q31_t Iq, q31_t *pIalpha, q31_t *pIbeta, q31_t sinVal, q31_t cosVal)
	Inverse Park transform for Q31 version. More...
void	csky_q31_to_float (q31_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Converts the elements of the Q31 vector to floating-point vector. More...
__ALWAYS_INLINE float32_t	csky_linear_interp_f32 (csky_linear_interp_instance_f32 *S, float32_t x)
	Process function for the floating-point Linear Interpolation Function. More...
__ALWAYS_INLINE q31_t	csky_linear_interp_q31 (q31_t *pYData, q31_t x, uint32_t nValues)
	Process function for the Q31 Linear Interpolation Function. More...
__ALWAYS_INLINE q15_t	csky_linear_interp_q15 (q15_t *pYData, q31_t x, uint32_t nValues)
	Process function for the Q15 Linear Interpolation Function. More...
__ALWAYS_INLINE q7_t	csky_linear_interp_q7 (q7_t *pYData, q31_t x, uint32_t nValues)
	Process function for the Q7 Linear Interpolation Function. More...
float32_t	csky_sin_f32 (float32_t x)
	Fast approximation to the trigonometric sine function for floating-point data. More...
q31_t	csky_sin_q31 (q31_t x)
	Fast approximation to the trigonometric sine function for Q31 data. More...
q15_t	csky_sin_q15 (q15_t x)
	Fast approximation to the trigonometric sine function for Q15 data. More...
float32_t	csky_cos_f32 (float32_t x)
	Fast approximation to the trigonometric cosine function for floating-point data. More...
q31_t	csky_cos_q31 (q31_t x)
	Fast approximation to the trigonometric cosine function for Q31 data. More...
q15_t	csky_cos_q15 (q15_t x)
	Fast approximation to the trigonometric cosine function for Q15 data. More...
csky_status	csky_sqrt_f32 (float32_t in, float32_t *pOut)
	Floating-point square root function. More...
csky_status	csky_sqrt_q31 (q31_t in, q31_t *pOut)
	Q31 square root function. More...
csky_status	csky_sqrt_q15 (q15_t in, q15_t *pOut)
	Q15 square root function. More...
float64_t	csky_pow_f64 (float64_t x, float64_t y)
	Fast approximation to the exponential function for float64_t-point data. More...
float64_t	csky_log_f64 (float64_t x)
	Fast approximation to the 2 based logarithm function for float64_t -point data. More...
float64_t	csky_exp_f64 (float64_t x)
	Fast approximation to the exponential function based on e for float64_t -point_t data. More...
float64_t	csky_pow2_f64 (float64_t x)
	Fast approximation to the 2 based exponential function for float64_t -point data. More...
float64_t	csky_log2_f64 (float64_t x)
	Fast approximation to the 2 based logarithm function for float64_t -point data. More...
float64_t	csky_log10_f64 (float64_t x)
	Fast approximation to the 10 base logarithm function for float64_t -point data. More...
void	csky_power_q31 (q31_t *pSrc, uint32_t blockSize, q63_t *pResult)
	Sum of the squares of the elements of a Q31 vector. More...
void	csky_power_int32 (int32_t *pSrc, uint32_t blockSize, q63_t *pResult)
void	csky_power_f32 (float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
	Sum of the squares of the elements of a floating-point vector. More...
void	csky_power_q15 (q15_t *pSrc, uint32_t blockSize, q63_t *pResult)
	Sum of the squares of the elements of a Q15 vector. More...
void	csky_power_q7 (q7_t *pSrc, uint32_t blockSize, q31_t *pResult)
	Sum of the squares of the elements of a Q7 vector. More...
void	csky_mean_q7 (q7_t *pSrc, uint32_t blockSize, q7_t *pResult)
	Mean value of a Q7 vector. More...
void	csky_mean_q15 (q15_t *pSrc, uint32_t blockSize, q15_t *pResult)
	Mean value of a Q15 vector. More...
void	csky_mean_q31 (q31_t *pSrc, uint32_t blockSize, q31_t *pResult)
	Mean value of a Q31 vector. More...
void	csky_mean_f32 (float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
	Mean value of a floating-point vector. More...
void	csky_var_f32 (float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
	Variance of the elements of a floating-point vector. More...
void	csky_var_q31 (q31_t *pSrc, uint32_t blockSize, q31_t *pResult)
	Variance of the elements of a Q31 vector. More...
void	csky_var_q15 (q15_t *pSrc, uint32_t blockSize, q15_t *pResult)
	Variance of the elements of a Q15 vector. More...
void	csky_rms_f32 (float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
	Root Mean Square of the elements of a floating-point vector. More...
void	csky_rms_q31 (q31_t *pSrc, uint32_t blockSize, q31_t *pResult)
	Root Mean Square of the elements of a Q31 vector. More...
void	csky_rms_q15 (q15_t *pSrc, uint32_t blockSize, q15_t *pResult)
	Root Mean Square of the elements of a Q15 vector. More...
void	csky_std_f32 (float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
	Standard deviation of the elements of a floating-point vector. More...
void	csky_std_q31 (q31_t *pSrc, uint32_t blockSize, q31_t *pResult)
	Standard deviation of the elements of a Q31 vector. More...
void	csky_std_q15 (q15_t *pSrc, uint32_t blockSize, q15_t *pResult)
	Standard deviation of the elements of a Q15 vector. More...
void	csky_cmplx_mag_f32 (float32_t *pSrc, float32_t *pDst, uint32_t numSamples)
	Floating-point complex magnitude. More...
void	csky_cmplx_mag_q31 (q31_t *pSrc, q31_t *pDst, uint32_t numSamples)
	Q31 complex magnitude. More...
void	csky_cmplx_mag_q15 (q15_t *pSrc, q15_t *pDst, uint32_t numSamples)
	Q15 complex magnitude. More...
void	csky_cmplx_dot_prod_q15 (q15_t *pSrcA, q15_t *pSrcB, uint32_t numSamples, q31_t *realResult, q31_t *imagResult)
	Q15 complex dot product. More...
void	csky_cmplx_dot_prod_q31 (q31_t *pSrcA, q31_t *pSrcB, uint32_t numSamples, q63_t *realResult, q63_t *imagResult)
	Q31 complex dot product. More...
void	csky_cmplx_dot_prod_f32 (float32_t *pSrcA, float32_t *pSrcB, uint32_t numSamples, float32_t *realResult, float32_t *imagResult)
	Floating-point complex dot product. More...
void	csky_cmplx_mult_real_q15 (q15_t *pSrcCmplx, q15_t *pSrcReal, q15_t *pCmplxDst, uint32_t numSamples)
	Q15 complex-by-real multiplication. More...
void	csky_cmplx_mult_real_q31 (q31_t *pSrcCmplx, q31_t *pSrcReal, q31_t *pCmplxDst, uint32_t numSamples)
	Q31 complex-by-real multiplication. More...
void	csky_cmplx_mult_real_f32 (float32_t *pSrcCmplx, float32_t *pSrcReal, float32_t *pCmplxDst, uint32_t numSamples)
	Floating-point complex-by-real multiplication. More...
void	csky_min_q7 (q7_t *pSrc, uint32_t blockSize, q7_t *result, uint32_t *index)
	Minimum value of a Q7 vector. More...
void	csky_min_q15 (q15_t *pSrc, uint32_t blockSize, q15_t *pResult, uint32_t *pIndex)
	Minimum value of a Q15 vector. More...
void	csky_min_q31 (q31_t *pSrc, uint32_t blockSize, q31_t *pResult, uint32_t *pIndex)
	Minimum value of a Q31 vector. More...
void	csky_min_f32 (float32_t *pSrc, uint32_t blockSize, float32_t *pResult, uint32_t *pIndex)
	Minimum value of a floating-point vector. More...
void	csky_max_q7 (q7_t *pSrc, uint32_t blockSize, q7_t *pResult, uint32_t *pIndex)
	Maximum value of a Q7 vector. More...
void	csky_max_q15 (q15_t *pSrc, uint32_t blockSize, q15_t *pResult, uint32_t *pIndex)
	Maximum value of a Q15 vector. More...
void	csky_max_q31 (q31_t *pSrc, uint32_t blockSize, q31_t *pResult, uint32_t *pIndex)
	Maximum value of a Q31 vector. More...
void	csky_max_f32 (float32_t *pSrc, uint32_t blockSize, float32_t *pResult, uint32_t *pIndex)
	Maximum value of a floating-point vector. More...
void	csky_cmplx_mult_cmplx_q15 (q15_t *pSrcA, q15_t *pSrcB, q15_t *pDst, uint32_t numSamples)
	Q15 complex-by-complex multiplication. More...
void	csky_cmplx_mult_cmplx_q31 (q31_t *pSrcA, q31_t *pSrcB, q31_t *pDst, uint32_t numSamples)
	Q31 complex-by-complex multiplication. More...
void	csky_cmplx_mult_cmplx_f32 (float32_t *pSrcA, float32_t *pSrcB, float32_t *pDst, uint32_t numSamples)
	Floating-point complex-by-complex multiplication. More...
void	csky_float_to_q31 (float32_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Converts the elements of the floating-point vector to Q31 vector. More...
void	csky_float_to_q15 (float32_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Converts the elements of the floating-point vector to Q15 vector. More...
void	csky_float_to_q7 (float32_t *pSrc, q7_t *pDst, uint32_t blockSize)
	Converts the elements of the floating-point vector to Q7 vector. More...
void	csky_q31_to_q15 (q31_t *pSrc, q15_t *pDst, uint32_t blockSize)
	Converts the elements of the Q31 vector to Q15 vector. More...
void	csky_q31_to_q7 (q31_t *pSrc, q7_t *pDst, uint32_t blockSize)
	Converts the elements of the Q31 vector to Q7 vector. More...
void	csky_q15_to_float (q15_t *pSrc, float32_t *pDst, uint32_t blockSize)
	Converts the elements of the Q15 vector to floating-point vector. More...
void	csky_q15_to_q31 (q15_t *pSrc, q31_t *pDst, uint32_t blockSize)
	Converts the elements of the Q15 vector to Q31 vector. More...
void	csky_q15_to_q7 (q15_t *pSrc, q7_t *pDst, uint32_t blockSize)
	Converts the elements of the Q15 vector to Q7 vector. More...
__ALWAYS_INLINE float32_t	csky_bilinear_interp_f32 (const csky_bilinear_interp_instance_f32 *S, float32_t X, float32_t Y)
	Floating-point bilinear interpolation. More...
__ALWAYS_INLINE q31_t	csky_bilinear_interp_q31 (csky_bilinear_interp_instance_q31 *S, q31_t X, q31_t Y)
	Q31 bilinear interpolation. More...
__ALWAYS_INLINE q15_t	csky_bilinear_interp_q15 (csky_bilinear_interp_instance_q15 *S, q31_t X, q31_t Y)
	Q15 bilinear interpolation. More...
void	test (q7_t *pSrc, q7_t *pDst)
__ALWAYS_INLINE q7_t	csky_bilinear_interp_q7 (csky_bilinear_interp_instance_q7 *S, q31_t X, q31_t Y)
	Q7 bilinear interpolation. More...
__ALWAYS_INLINE q31_t	csky_shr_q31 (q31_t a, q31_t shift)
	right shift Q31 version More...
__ALWAYS_INLINE q31_t	csky_pshr_q31 (q31_t a, q31_t shift)
	right shift Q31 version More...
__ALWAYS_INLINE q31_t	csky_pshr_pos_q31 (q31_t a, q31_t shift)
	right shift Q31 version More...
__ALWAYS_INLINE q63_t	csky_pshr_q63 (q63_t a, q31_t shift)
	right shift Q63 version More...

Macro Definition Documentation

#define __CSI_GENERIC

#define __PACKq7	(		v0,
			v1,
			v2,
			v3
	)

#define __SIMD32

(

addr

)

#define __SIMD32_CONST

(

addr

)

#define __SIMD32_TYPE

#define __SIMD64

(

addr

)

#define _SIMD32_OFFSET

(

addr

)

#define ABS

(

x

)

#define ADD2	(		x,
			xx,
			y,
			yy,
			z,
			zz,
			r,
			s
	)

#define ALIGN4

#define CN

#define CONTROLLER_Q31_SHIFT

#define CSI_UNUSED

#define DELTA_Q15

#define DELTA_Q31

#define EADD	(		x,
			y,
			z,
			zz
	)

#define EMULV	(		x,
			y,
			z,
			zz,
			p,
			hx,
			tx,
			hy,
			ty
	)

#define FAST_MATH_Q15_SHIFT

#define FAST_MATH_Q31_SHIFT

#define FAST_MATH_TABLE_SIZE

#define HIGH_HALF

#define INDEX_MASK

#define INPUT_SPACING

#define LOW_HALF

#define max

(

x

)

#define min

(

x

)

#define MUL12	(		x,
			y,
			z,
			zz,
			p,
			hx,
			tx,
			hy,
			ty,
			q
	)

#define MUL2	(		x,
			xx,
			y,
			yy,
			z,
			zz,
			p,
			hx,
			tx,
			hy,
			ty,
			q,
			c,
			cc
	)

#define mult_32x32_keep32	(		a,
			x,
			y
	)

#define mult_32x32_keep32_R	(		a,
			x,
			y
	)

#define multAcc_32x32_keep32	(		a,
			x,
			y
	)

#define multAcc_32x32_keep32_R	(		a,
			x,
			y
	)

#define multSub_32x32_keep32	(		a,
			x,
			y
	)

#define multSub_32x32_keep32_R	(		a,
			x,
			y
	)

#define PI

#define PSHR	(		a,
			shift
	)

#define PSHR64	(		a,
			shift
	)

#define PSHR_POSITIVE	(		a,
			shift
	)

#define SHR	(		a,
			shift
	)

#define SUB2	(		x,
			xx,
			y,
			yy,
			z,
			zz,
			r,
			s
	)

#define TABLE_SIZE

#define TABLE_SPACING_Q15

#define TABLE_SPACING_Q31

Typedef Documentation

typedef float float32_t

typedef double float64_t

typedef int16_t q15_t

typedef int32_t q31_t

typedef int64_t q63_t

typedef int8_t q7_t

Enumeration Type Documentation

enum csky_status

Enumerator
CSKY_MATH_SUCCESS	No error
CSKY_MATH_ARGUMENT_ERROR	One or more arguments are incorrect
CSKY_MATH_LENGTH_ERROR	Length of data buffer is incorrect
CSKY_MATH_SIZE_MISMATCH	Size of matrices is not compatible with the operation.
CSKY_MATH_NANINF	Not-a-number (NaN) or infinity is generated
CSKY_MATH_SINGULAR	Generated by matrix inversion if the input matrix is singular and cannot be inverted.
CSKY_MATH_TEST_FAILURE	Test Failed

Function Documentation

static __INLINE q31_t clip_q63_to_q31 ( q63_t  x )

static

void csky_dsp_lib_mat_cx_add16	(	cq15_t *	A,
		cq15_t *	B,
		uint32_t	N,
		uint32_t	M,
		cq15_t *	C
	)

void csky_dsp_lib_mat_cx_add32	(	cq31_t *	A,
		cq31_t *	B,
		uint32_t	N,
		uint32_t	M,
		cq31_t *	C
	)

void csky_dsp_lib_mat_cx_mul_q15	(	cq15_t *	A,
		cq15_t *	B,
		uint32_t	N,
		uint32_t	M,
		uint32_t	L,
		cq15_t *	C
	)

void csky_dsp_lib_mat_cx_mul_q31	(	cq31_t *	A,
		cq31_t *	B,
		uint32_t	N,
		uint32_t	M,
		uint32_t	L,
		cq31_t *	C
	)

void csky_dsp_lib_mat_cx_sub16	(	cq15_t *	A,
		cq15_t *	B,
		uint32_t	N,
		uint32_t	M,
		cq15_t *	C
	)

void csky_dsp_lib_mat_cx_sub32	(	cq31_t *	A,
		cq31_t *	B,
		uint32_t	N,
		uint32_t	M,
		cq31_t *	C
	)

void csky_dsp_lib_vec_shf32	(	q31_t *	A,
		q31_t	shift_val,
		uint32_t	N,
		q31_t *	C
	)

q63_t csky_dsp_lib_vec_sum32	(	q31_t *	A,
		uint32_t	N
	)

void csky_power_int32	(	int32_t *	pSrc,
		uint32_t	blockSize,
		q63_t *	pResult
	)

void csky_rfft_f32	(	const csky_rfft_instance_f32 *	S,
		float32_t *	pSrc,
		float32_t *	pDst
	)

Deprecated:

Do not use this function. It has been superceded by csky_rfft_fast_f32 and will be removed in the future.

Parameters

[in]	*S	points to an instance of the floating-point RFFT/RIFFT structure.
[in]	*pSrc	points to the input buffer.
[out]	*pDst	points to the output buffer.

Returns

none.

void test	(	q7_t *	pSrc,
		q7_t *	pDst
	)