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arm_math.h File Reference

Data Structures

struct  arm_fir_instance_q7
 Instance structure for the Q7 FIR filter. More...
 
struct  arm_fir_instance_q15
 Instance structure for the Q15 FIR filter. More...
 
struct  arm_fir_instance_q31
 Instance structure for the Q31 FIR filter. More...
 
struct  arm_fir_instance_f32
 Instance structure for the floating-point FIR filter. More...
 
struct  arm_biquad_casd_df1_inst_q15
 Instance structure for the Q15 Biquad cascade filter. More...
 
struct  arm_biquad_casd_df1_inst_q31
 Instance structure for the Q31 Biquad cascade filter. More...
 
struct  arm_biquad_casd_df1_inst_f32
 Instance structure for the floating-point Biquad cascade filter. More...
 
struct  arm_matrix_instance_f32
 Instance structure for the floating-point matrix structure. More...
 
struct  arm_matrix_instance_f64
 Instance structure for the floating-point matrix structure. More...
 
struct  arm_matrix_instance_q15
 Instance structure for the Q15 matrix structure. More...
 
struct  arm_matrix_instance_q31
 Instance structure for the Q31 matrix structure. More...
 
struct  arm_pid_instance_q15
 Instance structure for the Q15 PID Control. More...
 
struct  arm_pid_instance_q31
 Instance structure for the Q31 PID Control. More...
 
struct  arm_pid_instance_f32
 Instance structure for the floating-point PID Control. More...
 
struct  arm_linear_interp_instance_f32
 Instance structure for the floating-point Linear Interpolate function. More...
 
struct  arm_bilinear_interp_instance_f32
 Instance structure for the floating-point bilinear interpolation function. More...
 
struct  arm_bilinear_interp_instance_q31
 Instance structure for the Q31 bilinear interpolation function. More...
 
struct  arm_bilinear_interp_instance_q15
 Instance structure for the Q15 bilinear interpolation function. More...
 
struct  arm_bilinear_interp_instance_q7
 Instance structure for the Q15 bilinear interpolation function. More...
 
struct  arm_cfft_radix2_instance_q15
 Instance structure for the Q15 CFFT/CIFFT function. More...
 
struct  arm_cfft_radix4_instance_q15
 Instance structure for the Q15 CFFT/CIFFT function. More...
 
struct  arm_cfft_radix2_instance_q31
 Instance structure for the Radix-2 Q31 CFFT/CIFFT function. More...
 
struct  arm_cfft_radix4_instance_q31
 Instance structure for the Q31 CFFT/CIFFT function. More...
 
struct  arm_cfft_radix2_instance_f32
 Instance structure for the floating-point CFFT/CIFFT function. More...
 
struct  arm_cfft_radix4_instance_f32
 Instance structure for the floating-point CFFT/CIFFT function. More...
 
struct  arm_cfft_instance_q15
 Instance structure for the fixed-point CFFT/CIFFT function. More...
 
struct  arm_cfft_instance_q31
 Instance structure for the fixed-point CFFT/CIFFT function. More...
 
struct  arm_cfft_instance_f32
 Instance structure for the floating-point CFFT/CIFFT function. More...
 
struct  arm_rfft_instance_q15
 Instance structure for the Q15 RFFT/RIFFT function. More...
 
struct  arm_rfft_instance_q31
 Instance structure for the Q31 RFFT/RIFFT function. More...
 
struct  arm_rfft_instance_f32
 Instance structure for the floating-point RFFT/RIFFT function. More...
 
struct  arm_rfft_fast_instance_f32
 Instance structure for the floating-point RFFT/RIFFT function. More...
 
struct  arm_dct4_instance_f32
 Instance structure for the floating-point DCT4/IDCT4 function. More...
 
struct  arm_dct4_instance_q31
 Instance structure for the Q31 DCT4/IDCT4 function. More...
 
struct  arm_dct4_instance_q15
 Instance structure for the Q15 DCT4/IDCT4 function. More...
 
struct  arm_fir_decimate_instance_q15
 Instance structure for the Q15 FIR decimator. More...
 
struct  arm_fir_decimate_instance_q31
 Instance structure for the Q31 FIR decimator. More...
 
struct  arm_fir_decimate_instance_f32
 Instance structure for floating-point FIR decimator. More...
 
struct  arm_fir_interpolate_instance_q15
 Instance structure for the Q15 FIR interpolator. More...
 
struct  arm_fir_interpolate_instance_q31
 Instance structure for the Q31 FIR interpolator. More...
 
struct  arm_fir_interpolate_instance_f32
 Instance structure for the floating-point FIR interpolator. More...
 
struct  arm_biquad_cas_df1_32x64_ins_q31
 Instance structure for the high precision Q31 Biquad cascade filter. More...
 
struct  arm_biquad_cascade_df2T_instance_f32
 Instance structure for the floating-point transposed direct form II Biquad cascade filter. More...
 
struct  arm_biquad_cascade_stereo_df2T_instance_f32
 Instance structure for the floating-point transposed direct form II Biquad cascade filter. More...
 
struct  arm_biquad_cascade_df2T_instance_f64
 Instance structure for the floating-point transposed direct form II Biquad cascade filter. More...
 
struct  arm_fir_lattice_instance_q15
 Instance structure for the Q15 FIR lattice filter. More...
 
struct  arm_fir_lattice_instance_q31
 Instance structure for the Q31 FIR lattice filter. More...
 
struct  arm_fir_lattice_instance_f32
 Instance structure for the floating-point FIR lattice filter. More...
 
struct  arm_iir_lattice_instance_q15
 Instance structure for the Q15 IIR lattice filter. More...
 
struct  arm_iir_lattice_instance_q31
 Instance structure for the Q31 IIR lattice filter. More...
 
struct  arm_iir_lattice_instance_f32
 Instance structure for the floating-point IIR lattice filter. More...
 
struct  arm_lms_instance_f32
 Instance structure for the floating-point LMS filter. More...
 
struct  arm_lms_instance_q15
 Instance structure for the Q15 LMS filter. More...
 
struct  arm_lms_instance_q31
 Instance structure for the Q31 LMS filter. More...
 
struct  arm_lms_norm_instance_f32
 Instance structure for the floating-point normalized LMS filter. More...
 
struct  arm_lms_norm_instance_q31
 Instance structure for the Q31 normalized LMS filter. More...
 
struct  arm_lms_norm_instance_q15
 Instance structure for the Q15 normalized LMS filter. More...
 
struct  arm_fir_sparse_instance_f32
 Instance structure for the floating-point sparse FIR filter. More...
 
struct  arm_fir_sparse_instance_q31
 Instance structure for the Q31 sparse FIR filter. More...
 
struct  arm_fir_sparse_instance_q15
 Instance structure for the Q15 sparse FIR filter. More...
 
struct  arm_fir_sparse_instance_q7
 Instance structure for the Q7 sparse FIR filter. More...
 

Macros

#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_SPACING_Q31
 
#define TABLE_SPACING_Q15
 
#define INPUT_SPACING
 Macros required for SINE and COSINE Controller functions. More...
 
#define __SIMD32(addr)
 definition to read/write two 16 bit values. More...
 
#define __SIMD32_CONST(addr)
 
#define _SIMD32_OFFSET(addr)
 
#define __SIMD64(addr)
 
#define __PKHBT(ARG1, ARG2, ARG3)
 definition to pack two 16 bit values. More...
 
#define __PKHTB(ARG1, ARG2, ARG3)
 
#define __PACKq7(v0, v1, v2, v3)
 definition to pack four 8 bit values. More...
 
#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  arm_status
 Error status returned by some functions in the library. More...
 

Functions

__STATIC_FORCEINLINE q31_t read_q15x2 (q15_t *pQ15)
 Read 2 Q15 from Q15 pointer. More...
 
__STATIC_FORCEINLINE q31_t read_q15x2_ia (q15_t **pQ15)
 Read 2 Q15 from Q15 pointer and increment pointer afterwards. More...
 
__STATIC_FORCEINLINE q31_t read_q15x2_da (q15_t **pQ15)
 Read 2 Q15 from Q15 pointer and decrement pointer afterwards. More...
 
__STATIC_FORCEINLINE void write_q15x2_ia (q15_t **pQ15, q31_t value)
 Write 2 Q15 to Q15 pointer and increment pointer afterwards. More...
 
__STATIC_FORCEINLINE void write_q15x2 (q15_t *pQ15, q31_t value)
 Write 2 Q15 to Q15 pointer. More...
 
__STATIC_FORCEINLINE q31_t read_q7x4_ia (q7_t **pQ7)
 Read 4 Q7 from Q7 pointer and increment pointer afterwards. More...
 
__STATIC_FORCEINLINE q31_t read_q7x4_da (q7_t **pQ7)
 Read 4 Q7 from Q7 pointer and decrement pointer afterwards. More...
 
__STATIC_FORCEINLINE void write_q7x4_ia (q7_t **pQ7, q31_t value)
 Write 4 Q7 to Q7 pointer and increment pointer afterwards. More...
 
__STATIC_FORCEINLINE q31_t clip_q63_to_q31 (q63_t x)
 Clips Q63 to Q31 values. More...
 
__STATIC_FORCEINLINE q15_t clip_q63_to_q15 (q63_t x)
 Clips Q63 to Q15 values. More...
 
__STATIC_FORCEINLINE q7_t clip_q31_to_q7 (q31_t x)
 Clips Q31 to Q7 values. More...
 
__STATIC_FORCEINLINE q15_t clip_q31_to_q15 (q31_t x)
 Clips Q31 to Q15 values. More...
 
__STATIC_FORCEINLINE q63_t mult32x64 (q63_t x, q31_t y)
 Multiplies 32 X 64 and returns 32 bit result in 2.30 format. More...
 
__STATIC_FORCEINLINE uint32_t arm_recip_q31 (q31_t in, q31_t *dst, const q31_t *pRecipTable)
 Function to Calculates 1/in (reciprocal) value of Q31 Data type. More...
 
__STATIC_FORCEINLINE uint32_t arm_recip_q15 (q15_t in, q15_t *dst, const q15_t *pRecipTable)
 Function to Calculates 1/in (reciprocal) value of Q15 Data type. More...
 
__STATIC_FORCEINLINE uint32_t __QADD8 (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __QSUB8 (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __QADD16 (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __SHADD16 (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __QSUB16 (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __SHSUB16 (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __QASX (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __SHASX (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __QSAX (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __SHSAX (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __SMUSDX (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __SMUADX (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE int32_t __QADD (int32_t x, int32_t y)
 
__STATIC_FORCEINLINE int32_t __QSUB (int32_t x, int32_t y)
 
__STATIC_FORCEINLINE uint32_t __SMLAD (uint32_t x, uint32_t y, uint32_t sum)
 
__STATIC_FORCEINLINE uint32_t __SMLADX (uint32_t x, uint32_t y, uint32_t sum)
 
__STATIC_FORCEINLINE uint32_t __SMLSDX (uint32_t x, uint32_t y, uint32_t sum)
 
__STATIC_FORCEINLINE uint64_t __SMLALD (uint32_t x, uint32_t y, uint64_t sum)
 
__STATIC_FORCEINLINE uint64_t __SMLALDX (uint32_t x, uint32_t y, uint64_t sum)
 
__STATIC_FORCEINLINE uint32_t __SMUAD (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __SMUSD (uint32_t x, uint32_t y)
 
__STATIC_FORCEINLINE uint32_t __SXTB16 (uint32_t x)
 
__STATIC_FORCEINLINE int32_t __SMMLA (int32_t x, int32_t y, int32_t sum)
 
void arm_fir_q7 (const arm_fir_instance_q7 *S, const q7_t *pSrc, q7_t *pDst, uint32_t blockSize)
 Processing function for the Q7 FIR filter. More...
 
void arm_fir_init_q7 (arm_fir_instance_q7 *S, uint16_t numTaps, const q7_t *pCoeffs, q7_t *pState, uint32_t blockSize)
 Initialization function for the Q7 FIR filter. More...
 
void arm_fir_q15 (const arm_fir_instance_q15 *S, const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Processing function for the Q15 FIR filter. More...
 
void arm_fir_fast_q15 (const arm_fir_instance_q15 *S, const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Processing function for the fast Q15 FIR filter (fast version). More...
 
arm_status arm_fir_init_q15 (arm_fir_instance_q15 *S, uint16_t numTaps, const q15_t *pCoeffs, q15_t *pState, uint32_t blockSize)
 Initialization function for the Q15 FIR filter. More...
 
void arm_fir_q31 (const arm_fir_instance_q31 *S, const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Processing function for the Q31 FIR filter. More...
 
void arm_fir_fast_q31 (const arm_fir_instance_q31 *S, const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Processing function for the fast Q31 FIR filter (fast version). More...
 
void arm_fir_init_q31 (arm_fir_instance_q31 *S, uint16_t numTaps, const q31_t *pCoeffs, q31_t *pState, uint32_t blockSize)
 Initialization function for the Q31 FIR filter. More...
 
void arm_fir_f32 (const arm_fir_instance_f32 *S, const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Processing function for the floating-point FIR filter. More...
 
void arm_fir_init_f32 (arm_fir_instance_f32 *S, uint16_t numTaps, const float32_t *pCoeffs, float32_t *pState, uint32_t blockSize)
 Initialization function for the floating-point FIR filter. More...
 
void arm_biquad_cascade_df1_q15 (const arm_biquad_casd_df1_inst_q15 *S, const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Processing function for the Q15 Biquad cascade filter. More...
 
void arm_biquad_cascade_df1_init_q15 (arm_biquad_casd_df1_inst_q15 *S, uint8_t numStages, const q15_t *pCoeffs, q15_t *pState, int8_t postShift)
 Initialization function for the Q15 Biquad cascade filter. More...
 
void arm_biquad_cascade_df1_fast_q15 (const arm_biquad_casd_df1_inst_q15 *S, const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Fast but less precise processing function for the Q15 Biquad cascade filter for Cortex-M3 and Cortex-M4. More...
 
void arm_biquad_cascade_df1_q31 (const arm_biquad_casd_df1_inst_q31 *S, const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Processing function for the Q31 Biquad cascade filter. More...
 
void arm_biquad_cascade_df1_fast_q31 (const arm_biquad_casd_df1_inst_q31 *S, const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Fast but less precise processing function for the Q31 Biquad cascade filter for Cortex-M3 and Cortex-M4. More...
 
void arm_biquad_cascade_df1_init_q31 (arm_biquad_casd_df1_inst_q31 *S, uint8_t numStages, const q31_t *pCoeffs, q31_t *pState, int8_t postShift)
 Initialization function for the Q31 Biquad cascade filter. More...
 
void arm_biquad_cascade_df1_f32 (const arm_biquad_casd_df1_inst_f32 *S, const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Processing function for the floating-point Biquad cascade filter. More...
 
void arm_biquad_cascade_df1_init_f32 (arm_biquad_casd_df1_inst_f32 *S, uint8_t numStages, const float32_t *pCoeffs, float32_t *pState)
 Initialization function for the floating-point Biquad cascade filter. More...
 
arm_status arm_mat_add_f32 (const arm_matrix_instance_f32 *pSrcA, const arm_matrix_instance_f32 *pSrcB, arm_matrix_instance_f32 *pDst)
 Floating-point matrix addition. More...
 
arm_status arm_mat_add_q15 (const arm_matrix_instance_q15 *pSrcA, const arm_matrix_instance_q15 *pSrcB, arm_matrix_instance_q15 *pDst)
 Q15 matrix addition. More...
 
arm_status arm_mat_add_q31 (const arm_matrix_instance_q31 *pSrcA, const arm_matrix_instance_q31 *pSrcB, arm_matrix_instance_q31 *pDst)
 Q31 matrix addition. More...
 
arm_status arm_mat_cmplx_mult_f32 (const arm_matrix_instance_f32 *pSrcA, const arm_matrix_instance_f32 *pSrcB, arm_matrix_instance_f32 *pDst)
 Floating-point, complex, matrix multiplication. More...
 
arm_status arm_mat_cmplx_mult_q15 (const arm_matrix_instance_q15 *pSrcA, const arm_matrix_instance_q15 *pSrcB, arm_matrix_instance_q15 *pDst, q15_t *pScratch)
 Q15, complex, matrix multiplication. More...
 
arm_status arm_mat_cmplx_mult_q31 (const arm_matrix_instance_q31 *pSrcA, const arm_matrix_instance_q31 *pSrcB, arm_matrix_instance_q31 *pDst)
 Q31, complex, matrix multiplication. More...
 
arm_status arm_mat_trans_f32 (const arm_matrix_instance_f32 *pSrc, arm_matrix_instance_f32 *pDst)
 Floating-point matrix transpose. More...
 
arm_status arm_mat_trans_q15 (const arm_matrix_instance_q15 *pSrc, arm_matrix_instance_q15 *pDst)
 Q15 matrix transpose. More...
 
arm_status arm_mat_trans_q31 (const arm_matrix_instance_q31 *pSrc, arm_matrix_instance_q31 *pDst)
 Q31 matrix transpose. More...
 
arm_status arm_mat_mult_f32 (const arm_matrix_instance_f32 *pSrcA, const arm_matrix_instance_f32 *pSrcB, arm_matrix_instance_f32 *pDst)
 Floating-point matrix multiplication. More...
 
arm_status arm_mat_mult_q15 (const arm_matrix_instance_q15 *pSrcA, const arm_matrix_instance_q15 *pSrcB, arm_matrix_instance_q15 *pDst, q15_t *pState)
 Q15 matrix multiplication. More...
 
arm_status arm_mat_mult_fast_q15 (const arm_matrix_instance_q15 *pSrcA, const arm_matrix_instance_q15 *pSrcB, arm_matrix_instance_q15 *pDst, q15_t *pState)
 Q15 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4. More...
 
arm_status arm_mat_mult_q31 (const arm_matrix_instance_q31 *pSrcA, const arm_matrix_instance_q31 *pSrcB, arm_matrix_instance_q31 *pDst)
 Q31 matrix multiplication. More...
 
arm_status arm_mat_mult_fast_q31 (const arm_matrix_instance_q31 *pSrcA, const arm_matrix_instance_q31 *pSrcB, arm_matrix_instance_q31 *pDst)
 Q31 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4. More...
 
arm_status arm_mat_sub_f32 (const arm_matrix_instance_f32 *pSrcA, const arm_matrix_instance_f32 *pSrcB, arm_matrix_instance_f32 *pDst)
 Floating-point matrix subtraction. More...
 
arm_status arm_mat_sub_q15 (const arm_matrix_instance_q15 *pSrcA, const arm_matrix_instance_q15 *pSrcB, arm_matrix_instance_q15 *pDst)
 Q15 matrix subtraction. More...
 
arm_status arm_mat_sub_q31 (const arm_matrix_instance_q31 *pSrcA, const arm_matrix_instance_q31 *pSrcB, arm_matrix_instance_q31 *pDst)
 Q31 matrix subtraction. More...
 
arm_status arm_mat_scale_f32 (const arm_matrix_instance_f32 *pSrc, float32_t scale, arm_matrix_instance_f32 *pDst)
 Floating-point matrix scaling. More...
 
arm_status arm_mat_scale_q15 (const arm_matrix_instance_q15 *pSrc, q15_t scaleFract, int32_t shift, arm_matrix_instance_q15 *pDst)
 Q15 matrix scaling. More...
 
arm_status arm_mat_scale_q31 (const arm_matrix_instance_q31 *pSrc, q31_t scaleFract, int32_t shift, arm_matrix_instance_q31 *pDst)
 Q31 matrix scaling. More...
 
void arm_mat_init_q31 (arm_matrix_instance_q31 *S, uint16_t nRows, uint16_t nColumns, q31_t *pData)
 Q31 matrix initialization. More...
 
void arm_mat_init_q15 (arm_matrix_instance_q15 *S, uint16_t nRows, uint16_t nColumns, q15_t *pData)
 Q15 matrix initialization. More...
 
void arm_mat_init_f32 (arm_matrix_instance_f32 *S, uint16_t nRows, uint16_t nColumns, float32_t *pData)
 Floating-point matrix initialization. More...
 
void arm_pid_init_f32 (arm_pid_instance_f32 *S, int32_t resetStateFlag)
 Initialization function for the floating-point PID Control. More...
 
void arm_pid_reset_f32 (arm_pid_instance_f32 *S)
 Reset function for the floating-point PID Control. More...
 
void arm_pid_init_q31 (arm_pid_instance_q31 *S, int32_t resetStateFlag)
 Initialization function for the Q31 PID Control. More...
 
void arm_pid_reset_q31 (arm_pid_instance_q31 *S)
 Reset function for the Q31 PID Control. More...
 
void arm_pid_init_q15 (arm_pid_instance_q15 *S, int32_t resetStateFlag)
 Initialization function for the Q15 PID Control. More...
 
void arm_pid_reset_q15 (arm_pid_instance_q15 *S)
 Reset function for the Q15 PID Control. More...
 
void arm_mult_q7 (const q7_t *pSrcA, const q7_t *pSrcB, q7_t *pDst, uint32_t blockSize)
 Q7 vector multiplication. More...
 
void arm_mult_q15 (const q15_t *pSrcA, const q15_t *pSrcB, q15_t *pDst, uint32_t blockSize)
 Q15 vector multiplication. More...
 
void arm_mult_q31 (const q31_t *pSrcA, const q31_t *pSrcB, q31_t *pDst, uint32_t blockSize)
 Q31 vector multiplication. More...
 
void arm_mult_f32 (const float32_t *pSrcA, const float32_t *pSrcB, float32_t *pDst, uint32_t blockSize)
 Floating-point vector multiplication. More...
 
arm_status arm_cfft_radix2_init_q15 (arm_cfft_radix2_instance_q15 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
 Initialization function for the Q15 CFFT/CIFFT. More...
 
void arm_cfft_radix2_q15 (const arm_cfft_radix2_instance_q15 *S, q15_t *pSrc)
 Processing function for the fixed-point CFFT/CIFFT. More...
 
arm_status arm_cfft_radix4_init_q15 (arm_cfft_radix4_instance_q15 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
 Initialization function for the Q15 CFFT/CIFFT. More...
 
void arm_cfft_radix4_q15 (const arm_cfft_radix4_instance_q15 *S, q15_t *pSrc)
 Processing function for the Q15 CFFT/CIFFT. More...
 
arm_status arm_cfft_radix2_init_q31 (arm_cfft_radix2_instance_q31 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
 Initialization function for the Q31 CFFT/CIFFT. More...
 
void arm_cfft_radix2_q31 (const arm_cfft_radix2_instance_q31 *S, q31_t *pSrc)
 Processing function for the fixed-point CFFT/CIFFT. More...
 
void arm_cfft_radix4_q31 (const arm_cfft_radix4_instance_q31 *S, q31_t *pSrc)
 Processing function for the Q31 CFFT/CIFFT. More...
 
arm_status arm_cfft_radix4_init_q31 (arm_cfft_radix4_instance_q31 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
 Initialization function for the Q31 CFFT/CIFFT. More...
 
arm_status arm_cfft_radix2_init_f32 (arm_cfft_radix2_instance_f32 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
 Initialization function for the floating-point CFFT/CIFFT. More...
 
void arm_cfft_radix2_f32 (const arm_cfft_radix2_instance_f32 *S, float32_t *pSrc)
 Radix-2 CFFT/CIFFT. More...
 
arm_status arm_cfft_radix4_init_f32 (arm_cfft_radix4_instance_f32 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
 Initialization function for the floating-point CFFT/CIFFT. More...
 
void arm_cfft_radix4_f32 (const arm_cfft_radix4_instance_f32 *S, float32_t *pSrc)
 Processing function for the floating-point Radix-4 CFFT/CIFFT. More...
 
void arm_cfft_q15 (const arm_cfft_instance_q15 *S, q15_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
 Processing function for Q15 complex FFT. More...
 
void arm_cfft_q31 (const arm_cfft_instance_q31 *S, q31_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
 Processing function for the Q31 complex FFT. More...
 
void arm_cfft_f32 (const arm_cfft_instance_f32 *S, float32_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
 Processing function for the floating-point complex FFT. More...
 
arm_status arm_rfft_init_q15 (arm_rfft_instance_q15 *S, uint32_t fftLenReal, uint32_t ifftFlagR, uint32_t bitReverseFlag)
 Initialization function for the Q15 RFFT/RIFFT. More...
 
void arm_rfft_q15 (const arm_rfft_instance_q15 *S, q15_t *pSrc, q15_t *pDst)
 Processing function for the Q15 RFFT/RIFFT. More...
 
arm_status arm_rfft_init_q31 (arm_rfft_instance_q31 *S, uint32_t fftLenReal, uint32_t ifftFlagR, uint32_t bitReverseFlag)
 Initialization function for the Q31 RFFT/RIFFT. More...
 
void arm_rfft_q31 (const arm_rfft_instance_q31 *S, q31_t *pSrc, q31_t *pDst)
 Processing function for the Q31 RFFT/RIFFT. More...
 
arm_status arm_rfft_init_f32 (arm_rfft_instance_f32 *S, arm_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 arm_rfft_f32 (const arm_rfft_instance_f32 *S, float32_t *pSrc, float32_t *pDst)
 Processing function for the floating-point RFFT/RIFFT. More...
 
arm_status arm_rfft_fast_init_f32 (arm_rfft_fast_instance_f32 *S, uint16_t fftLen)
 Initialization function for the floating-point real FFT. More...
 
arm_status arm_rfft_32_fast_init_f32 (arm_rfft_fast_instance_f32 *S)
 Initialization function for the 32pt floating-point real FFT. More...
 
arm_status arm_rfft_64_fast_init_f32 (arm_rfft_fast_instance_f32 *S)
 Initialization function for the 64pt floating-point real FFT. More...
 
arm_status arm_rfft_128_fast_init_f32 (arm_rfft_fast_instance_f32 *S)
 Initialization function for the 128pt floating-point real FFT. More...
 
arm_status arm_rfft_256_fast_init_f32 (arm_rfft_fast_instance_f32 *S)
 Initialization function for the 256pt floating-point real FFT. More...
 
arm_status arm_rfft_512_fast_init_f32 (arm_rfft_fast_instance_f32 *S)
 Initialization function for the 512pt floating-point real FFT. More...
 
arm_status arm_rfft_1024_fast_init_f32 (arm_rfft_fast_instance_f32 *S)
 Initialization function for the 1024pt floating-point real FFT. More...
 
arm_status arm_rfft_2048_fast_init_f32 (arm_rfft_fast_instance_f32 *S)
 Initialization function for the 2048pt floating-point real FFT. More...
 
arm_status arm_rfft_4096_fast_init_f32 (arm_rfft_fast_instance_f32 *S)
 Initialization function for the 4096pt floating-point real FFT. More...
 
void arm_rfft_fast_f32 (arm_rfft_fast_instance_f32 *S, float32_t *p, float32_t *pOut, uint8_t ifftFlag)
 Processing function for the floating-point real FFT. More...
 
arm_status arm_dct4_init_f32 (arm_dct4_instance_f32 *S, arm_rfft_instance_f32 *S_RFFT, arm_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 arm_dct4_f32 (const arm_dct4_instance_f32 *S, float32_t *pState, float32_t *pInlineBuffer)
 Processing function for the floating-point DCT4/IDCT4. More...
 
arm_status arm_dct4_init_q31 (arm_dct4_instance_q31 *S, arm_rfft_instance_q31 *S_RFFT, arm_cfft_radix4_instance_q31 *S_CFFT, uint16_t N, uint16_t Nby2, q31_t normalize)
 Initialization function for the Q31 DCT4/IDCT4. More...
 
void arm_dct4_q31 (const arm_dct4_instance_q31 *S, q31_t *pState, q31_t *pInlineBuffer)
 Processing function for the Q31 DCT4/IDCT4. More...
 
arm_status arm_dct4_init_q15 (arm_dct4_instance_q15 *S, arm_rfft_instance_q15 *S_RFFT, arm_cfft_radix4_instance_q15 *S_CFFT, uint16_t N, uint16_t Nby2, q15_t normalize)
 Initialization function for the Q15 DCT4/IDCT4. More...
 
void arm_dct4_q15 (const arm_dct4_instance_q15 *S, q15_t *pState, q15_t *pInlineBuffer)
 Processing function for the Q15 DCT4/IDCT4. More...
 
void arm_add_f32 (const float32_t *pSrcA, const float32_t *pSrcB, float32_t *pDst, uint32_t blockSize)
 Floating-point vector addition. More...
 
void arm_add_q7 (const q7_t *pSrcA, const q7_t *pSrcB, q7_t *pDst, uint32_t blockSize)
 Q7 vector addition. More...
 
void arm_add_q15 (const q15_t *pSrcA, const q15_t *pSrcB, q15_t *pDst, uint32_t blockSize)
 Q15 vector addition. More...
 
void arm_add_q31 (const q31_t *pSrcA, const q31_t *pSrcB, q31_t *pDst, uint32_t blockSize)
 Q31 vector addition. More...
 
void arm_sub_f32 (const float32_t *pSrcA, const float32_t *pSrcB, float32_t *pDst, uint32_t blockSize)
 Floating-point vector subtraction. More...
 
void arm_sub_q7 (const q7_t *pSrcA, const q7_t *pSrcB, q7_t *pDst, uint32_t blockSize)
 Q7 vector subtraction. More...
 
void arm_sub_q15 (const q15_t *pSrcA, const q15_t *pSrcB, q15_t *pDst, uint32_t blockSize)
 Q15 vector subtraction. More...
 
void arm_sub_q31 (const q31_t *pSrcA, const q31_t *pSrcB, q31_t *pDst, uint32_t blockSize)
 Q31 vector subtraction. More...
 
void arm_scale_f32 (const float32_t *pSrc, float32_t scale, float32_t *pDst, uint32_t blockSize)
 Multiplies a floating-point vector by a scalar. More...
 
void arm_scale_q7 (const q7_t *pSrc, q7_t scaleFract, int8_t shift, q7_t *pDst, uint32_t blockSize)
 Multiplies a Q7 vector by a scalar. More...
 
void arm_scale_q15 (const q15_t *pSrc, q15_t scaleFract, int8_t shift, q15_t *pDst, uint32_t blockSize)
 Multiplies a Q15 vector by a scalar. More...
 
void arm_scale_q31 (const q31_t *pSrc, q31_t scaleFract, int8_t shift, q31_t *pDst, uint32_t blockSize)
 Multiplies a Q31 vector by a scalar. More...
 
void arm_abs_q7 (const q7_t *pSrc, q7_t *pDst, uint32_t blockSize)
 Q7 vector absolute value. More...
 
void arm_abs_f32 (const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Floating-point vector absolute value. More...
 
void arm_abs_q15 (const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Q15 vector absolute value. More...
 
void arm_abs_q31 (const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Q31 vector absolute value. More...
 
void arm_dot_prod_f32 (const float32_t *pSrcA, const float32_t *pSrcB, uint32_t blockSize, float32_t *result)
 Dot product of floating-point vectors. More...
 
void arm_dot_prod_q7 (const q7_t *pSrcA, const q7_t *pSrcB, uint32_t blockSize, q31_t *result)
 Dot product of Q7 vectors. More...
 
void arm_dot_prod_q15 (const q15_t *pSrcA, const q15_t *pSrcB, uint32_t blockSize, q63_t *result)
 Dot product of Q15 vectors. More...
 
void arm_dot_prod_q31 (const q31_t *pSrcA, const q31_t *pSrcB, uint32_t blockSize, q63_t *result)
 Dot product of Q31 vectors. More...
 
void arm_shift_q7 (const 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 arm_shift_q15 (const 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 arm_shift_q31 (const 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 arm_offset_f32 (const float32_t *pSrc, float32_t offset, float32_t *pDst, uint32_t blockSize)
 Adds a constant offset to a floating-point vector. More...
 
void arm_offset_q7 (const q7_t *pSrc, q7_t offset, q7_t *pDst, uint32_t blockSize)
 Adds a constant offset to a Q7 vector. More...
 
void arm_offset_q15 (const q15_t *pSrc, q15_t offset, q15_t *pDst, uint32_t blockSize)
 Adds a constant offset to a Q15 vector. More...
 
void arm_offset_q31 (const q31_t *pSrc, q31_t offset, q31_t *pDst, uint32_t blockSize)
 Adds a constant offset to a Q31 vector. More...
 
void arm_negate_f32 (const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Negates the elements of a floating-point vector. More...
 
void arm_negate_q7 (const q7_t *pSrc, q7_t *pDst, uint32_t blockSize)
 Negates the elements of a Q7 vector. More...
 
void arm_negate_q15 (const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Negates the elements of a Q15 vector. More...
 
void arm_negate_q31 (const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Negates the elements of a Q31 vector. More...
 
void arm_copy_f32 (const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Copies the elements of a floating-point vector. More...
 
void arm_copy_q7 (const q7_t *pSrc, q7_t *pDst, uint32_t blockSize)
 Copies the elements of a Q7 vector. More...
 
void arm_copy_q15 (const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Copies the elements of a Q15 vector. More...
 
void arm_copy_q31 (const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Copies the elements of a Q31 vector. More...
 
void arm_fill_f32 (float32_t value, float32_t *pDst, uint32_t blockSize)
 Fills a constant value into a floating-point vector. More...
 
void arm_fill_q7 (q7_t value, q7_t *pDst, uint32_t blockSize)
 Fills a constant value into a Q7 vector. More...
 
void arm_fill_q15 (q15_t value, q15_t *pDst, uint32_t blockSize)
 Fills a constant value into a Q15 vector. More...
 
void arm_fill_q31 (q31_t value, q31_t *pDst, uint32_t blockSize)
 Fills a constant value into a Q31 vector. More...
 
void arm_conv_f32 (const float32_t *pSrcA, uint32_t srcALen, const float32_t *pSrcB, uint32_t srcBLen, float32_t *pDst)
 Convolution of floating-point sequences. More...
 
void arm_conv_opt_q15 (const q15_t *pSrcA, uint32_t srcALen, const q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, q15_t *pScratch1, q15_t *pScratch2)
 Convolution of Q15 sequences. More...
 
void arm_conv_q15 (const q15_t *pSrcA, uint32_t srcALen, const q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst)
 Convolution of Q15 sequences. More...
 
void arm_conv_fast_q15 (const q15_t *pSrcA, uint32_t srcALen, const q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst)
 Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4. More...
 
void arm_conv_fast_opt_q15 (const q15_t *pSrcA, uint32_t srcALen, const q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, q15_t *pScratch1, q15_t *pScratch2)
 Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4. More...
 
void arm_conv_q31 (const q31_t *pSrcA, uint32_t srcALen, const q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst)
 Convolution of Q31 sequences. More...
 
void arm_conv_fast_q31 (const q31_t *pSrcA, uint32_t srcALen, const q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst)
 Convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4. More...
 
void arm_conv_opt_q7 (const q7_t *pSrcA, uint32_t srcALen, const q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst, q15_t *pScratch1, q15_t *pScratch2)
 Convolution of Q7 sequences. More...
 
void arm_conv_q7 (const q7_t *pSrcA, uint32_t srcALen, const q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst)
 Convolution of Q7 sequences. More...
 
arm_status arm_conv_partial_f32 (const float32_t *pSrcA, uint32_t srcALen, const float32_t *pSrcB, uint32_t srcBLen, float32_t *pDst, uint32_t firstIndex, uint32_t numPoints)
 Partial convolution of floating-point sequences. More...
 
arm_status arm_conv_partial_opt_q15 (const q15_t *pSrcA, uint32_t srcALen, const 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...
 
arm_status arm_conv_partial_q15 (const q15_t *pSrcA, uint32_t srcALen, const q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, uint32_t firstIndex, uint32_t numPoints)
 Partial convolution of Q15 sequences. More...
 
arm_status arm_conv_partial_fast_q15 (const q15_t *pSrcA, uint32_t srcALen, const q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, uint32_t firstIndex, uint32_t numPoints)
 Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4. More...
 
arm_status arm_conv_partial_fast_opt_q15 (const q15_t *pSrcA, uint32_t srcALen, const 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 (fast version) for Cortex-M3 and Cortex-M4. More...
 
arm_status arm_conv_partial_q31 (const q31_t *pSrcA, uint32_t srcALen, const q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst, uint32_t firstIndex, uint32_t numPoints)
 Partial convolution of Q31 sequences. More...
 
arm_status arm_conv_partial_fast_q31 (const q31_t *pSrcA, uint32_t srcALen, const q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst, uint32_t firstIndex, uint32_t numPoints)
 Partial convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4. More...
 
arm_status arm_conv_partial_opt_q7 (const q7_t *pSrcA, uint32_t srcALen, const 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...
 
arm_status arm_conv_partial_q7 (const q7_t *pSrcA, uint32_t srcALen, const q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst, uint32_t firstIndex, uint32_t numPoints)
 Partial convolution of Q7 sequences. More...
 
void arm_fir_decimate_f32 (const arm_fir_decimate_instance_f32 *S, const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Processing function for floating-point FIR decimator. More...
 
arm_status arm_fir_decimate_init_f32 (arm_fir_decimate_instance_f32 *S, uint16_t numTaps, uint8_t M, const float32_t *pCoeffs, float32_t *pState, uint32_t blockSize)
 Initialization function for the floating-point FIR decimator. More...
 
void arm_fir_decimate_q15 (const arm_fir_decimate_instance_q15 *S, const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Processing function for the Q15 FIR decimator. More...
 
void arm_fir_decimate_fast_q15 (const arm_fir_decimate_instance_q15 *S, const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Processing function for the Q15 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4. More...
 
arm_status arm_fir_decimate_init_q15 (arm_fir_decimate_instance_q15 *S, uint16_t numTaps, uint8_t M, const q15_t *pCoeffs, q15_t *pState, uint32_t blockSize)
 Initialization function for the Q15 FIR decimator. More...
 
void arm_fir_decimate_q31 (const arm_fir_decimate_instance_q31 *S, const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Processing function for the Q31 FIR decimator. More...
 
void arm_fir_decimate_fast_q31 (const arm_fir_decimate_instance_q31 *S, const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Processing function for the Q31 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4. More...
 
arm_status arm_fir_decimate_init_q31 (arm_fir_decimate_instance_q31 *S, uint16_t numTaps, uint8_t M, const q31_t *pCoeffs, q31_t *pState, uint32_t blockSize)
 Initialization function for the Q31 FIR decimator. More...
 
void arm_fir_interpolate_q15 (const arm_fir_interpolate_instance_q15 *S, const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Processing function for the Q15 FIR interpolator. More...
 
arm_status arm_fir_interpolate_init_q15 (arm_fir_interpolate_instance_q15 *S, uint8_t L, uint16_t numTaps, const q15_t *pCoeffs, q15_t *pState, uint32_t blockSize)
 Initialization function for the Q15 FIR interpolator. More...
 
void arm_fir_interpolate_q31 (const arm_fir_interpolate_instance_q31 *S, const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Processing function for the Q31 FIR interpolator. More...
 
arm_status arm_fir_interpolate_init_q31 (arm_fir_interpolate_instance_q31 *S, uint8_t L, uint16_t numTaps, const q31_t *pCoeffs, q31_t *pState, uint32_t blockSize)
 Initialization function for the Q31 FIR interpolator. More...
 
void arm_fir_interpolate_f32 (const arm_fir_interpolate_instance_f32 *S, const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Processing function for the floating-point FIR interpolator. More...
 
arm_status arm_fir_interpolate_init_f32 (arm_fir_interpolate_instance_f32 *S, uint8_t L, uint16_t numTaps, const float32_t *pCoeffs, float32_t *pState, uint32_t blockSize)
 Initialization function for the floating-point FIR interpolator. More...
 
void arm_biquad_cas_df1_32x64_q31 (const arm_biquad_cas_df1_32x64_ins_q31 *S, q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Processing function for the Q31 Biquad cascade 32x64 filter. More...
 
void arm_biquad_cas_df1_32x64_init_q31 (arm_biquad_cas_df1_32x64_ins_q31 *S, uint8_t numStages, const q31_t *pCoeffs, q63_t *pState, uint8_t postShift)
 Initialization function for the Q31 Biquad cascade 32x64 filter. More...
 
void arm_biquad_cascade_df2T_f32 (const arm_biquad_cascade_df2T_instance_f32 *S, const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Processing function for the floating-point transposed direct form II Biquad cascade filter. More...
 
void arm_biquad_cascade_stereo_df2T_f32 (const arm_biquad_cascade_stereo_df2T_instance_f32 *S, const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Processing function for the floating-point transposed direct form II Biquad cascade filter. 2 channels. More...
 
void arm_biquad_cascade_df2T_f64 (const arm_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 arm_biquad_cascade_df2T_init_f32 (arm_biquad_cascade_df2T_instance_f32 *S, uint8_t numStages, const float32_t *pCoeffs, float32_t *pState)
 Initialization function for the floating-point transposed direct form II Biquad cascade filter. More...
 
void arm_biquad_cascade_stereo_df2T_init_f32 (arm_biquad_cascade_stereo_df2T_instance_f32 *S, uint8_t numStages, const float32_t *pCoeffs, float32_t *pState)
 Initialization function for the floating-point transposed direct form II Biquad cascade filter. More...
 
void arm_biquad_cascade_df2T_init_f64 (arm_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 arm_fir_lattice_init_q15 (arm_fir_lattice_instance_q15 *S, uint16_t numStages, const q15_t *pCoeffs, q15_t *pState)
 Initialization function for the Q15 FIR lattice filter. More...
 
void arm_fir_lattice_q15 (const arm_fir_lattice_instance_q15 *S, const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Processing function for the Q15 FIR lattice filter. More...
 
void arm_fir_lattice_init_q31 (arm_fir_lattice_instance_q31 *S, uint16_t numStages, const q31_t *pCoeffs, q31_t *pState)
 Initialization function for the Q31 FIR lattice filter. More...
 
void arm_fir_lattice_q31 (const arm_fir_lattice_instance_q31 *S, const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Processing function for the Q31 FIR lattice filter. More...
 
void arm_fir_lattice_init_f32 (arm_fir_lattice_instance_f32 *S, uint16_t numStages, const float32_t *pCoeffs, float32_t *pState)
 Initialization function for the floating-point FIR lattice filter. More...
 
void arm_fir_lattice_f32 (const arm_fir_lattice_instance_f32 *S, const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Processing function for the floating-point FIR lattice filter. More...
 
void arm_iir_lattice_f32 (const arm_iir_lattice_instance_f32 *S, const float32_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Processing function for the floating-point IIR lattice filter. More...
 
void arm_iir_lattice_init_f32 (arm_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 arm_iir_lattice_q31 (const arm_iir_lattice_instance_q31 *S, const q31_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Processing function for the Q31 IIR lattice filter. More...
 
void arm_iir_lattice_init_q31 (arm_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 arm_iir_lattice_q15 (const arm_iir_lattice_instance_q15 *S, const q15_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Processing function for the Q15 IIR lattice filter. More...
 
void arm_iir_lattice_init_q15 (arm_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 arm_lms_f32 (const arm_lms_instance_f32 *S, const float32_t *pSrc, float32_t *pRef, float32_t *pOut, float32_t *pErr, uint32_t blockSize)
 Processing function for floating-point LMS filter. More...
 
void arm_lms_init_f32 (arm_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 arm_lms_init_q15 (arm_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 arm_lms_q15 (const arm_lms_instance_q15 *S, const q15_t *pSrc, q15_t *pRef, q15_t *pOut, q15_t *pErr, uint32_t blockSize)
 Processing function for Q15 LMS filter. More...
 
void arm_lms_q31 (const arm_lms_instance_q31 *S, const q31_t *pSrc, q31_t *pRef, q31_t *pOut, q31_t *pErr, uint32_t blockSize)
 Processing function for Q31 LMS filter. More...
 
void arm_lms_init_q31 (arm_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 arm_lms_norm_f32 (arm_lms_norm_instance_f32 *S, const 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 arm_lms_norm_init_f32 (arm_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 arm_lms_norm_q31 (arm_lms_norm_instance_q31 *S, const q31_t *pSrc, q31_t *pRef, q31_t *pOut, q31_t *pErr, uint32_t blockSize)
 Processing function for Q31 normalized LMS filter. More...
 
void arm_lms_norm_init_q31 (arm_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 arm_lms_norm_q15 (arm_lms_norm_instance_q15 *S, const q15_t *pSrc, q15_t *pRef, q15_t *pOut, q15_t *pErr, uint32_t blockSize)
 Processing function for Q15 normalized LMS filter. More...
 
void arm_lms_norm_init_q15 (arm_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 arm_correlate_f32 (const float32_t *pSrcA, uint32_t srcALen, const float32_t *pSrcB, uint32_t srcBLen, float32_t *pDst)
 Correlation of floating-point sequences. More...
 
void arm_correlate_opt_q15 (const q15_t *pSrcA, uint32_t srcALen, const q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, q15_t *pScratch)
 Correlation of Q15 sequences. More...
 
void arm_correlate_q15 (const q15_t *pSrcA, uint32_t srcALen, const q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst)
 Correlation of Q15 sequences. More...
 
void arm_correlate_fast_q15 (const q15_t *pSrcA, uint32_t srcALen, const q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst)
 Correlation of Q15 sequences (fast version). More...
 
void arm_correlate_fast_opt_q15 (const q15_t *pSrcA, uint32_t srcALen, const q15_t *pSrcB, uint32_t srcBLen, q15_t *pDst, q15_t *pScratch)
 Correlation of Q15 sequences (fast version). More...
 
void arm_correlate_q31 (const q31_t *pSrcA, uint32_t srcALen, const q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst)
 Correlation of Q31 sequences. More...
 
void arm_correlate_fast_q31 (const q31_t *pSrcA, uint32_t srcALen, const q31_t *pSrcB, uint32_t srcBLen, q31_t *pDst)
 Correlation of Q31 sequences (fast version). More...
 
void arm_correlate_opt_q7 (const q7_t *pSrcA, uint32_t srcALen, const q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst, q15_t *pScratch1, q15_t *pScratch2)
 Correlation of Q7 sequences. More...
 
void arm_correlate_q7 (const q7_t *pSrcA, uint32_t srcALen, const q7_t *pSrcB, uint32_t srcBLen, q7_t *pDst)
 Correlation of Q7 sequences. More...
 
void arm_fir_sparse_f32 (arm_fir_sparse_instance_f32 *S, const float32_t *pSrc, float32_t *pDst, float32_t *pScratchIn, uint32_t blockSize)
 Processing function for the floating-point sparse FIR filter. More...
 
void arm_fir_sparse_init_f32 (arm_fir_sparse_instance_f32 *S, uint16_t numTaps, const 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 arm_fir_sparse_q31 (arm_fir_sparse_instance_q31 *S, const q31_t *pSrc, q31_t *pDst, q31_t *pScratchIn, uint32_t blockSize)
 Processing function for the Q31 sparse FIR filter. More...
 
void arm_fir_sparse_init_q31 (arm_fir_sparse_instance_q31 *S, uint16_t numTaps, const 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 arm_fir_sparse_q15 (arm_fir_sparse_instance_q15 *S, const 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 arm_fir_sparse_init_q15 (arm_fir_sparse_instance_q15 *S, uint16_t numTaps, const 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 arm_fir_sparse_q7 (arm_fir_sparse_instance_q7 *S, const 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 arm_fir_sparse_init_q7 (arm_fir_sparse_instance_q7 *S, uint16_t numTaps, const 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 arm_sin_cos_f32 (float32_t theta, float32_t *pSinVal, float32_t *pCosVal)
 Floating-point sin_cos function. More...
 
void arm_sin_cos_q31 (q31_t theta, q31_t *pSinVal, q31_t *pCosVal)
 Q31 sin_cos function. More...
 
void arm_cmplx_conj_f32 (const float32_t *pSrc, float32_t *pDst, uint32_t numSamples)
 Floating-point complex conjugate. More...
 
void arm_cmplx_conj_q31 (const q31_t *pSrc, q31_t *pDst, uint32_t numSamples)
 Q31 complex conjugate. More...
 
void arm_cmplx_conj_q15 (const q15_t *pSrc, q15_t *pDst, uint32_t numSamples)
 Q15 complex conjugate. More...
 
void arm_cmplx_mag_squared_f32 (const float32_t *pSrc, float32_t *pDst, uint32_t numSamples)
 Floating-point complex magnitude squared. More...
 
void arm_cmplx_mag_squared_q31 (const q31_t *pSrc, q31_t *pDst, uint32_t numSamples)
 Q31 complex magnitude squared. More...
 
void arm_cmplx_mag_squared_q15 (const q15_t *pSrc, q15_t *pDst, uint32_t numSamples)
 Q15 complex magnitude squared. More...
 
__STATIC_FORCEINLINE float32_t arm_pid_f32 (arm_pid_instance_f32 *S, float32_t in)
 Process function for the floating-point PID Control. More...
 
__STATIC_FORCEINLINE q31_t arm_pid_q31 (arm_pid_instance_q31 *S, q31_t in)
 Process function for the Q31 PID Control. More...
 
__STATIC_FORCEINLINE q15_t arm_pid_q15 (arm_pid_instance_q15 *S, q15_t in)
 Process function for the Q15 PID Control. More...
 
arm_status arm_mat_inverse_f32 (const arm_matrix_instance_f32 *src, arm_matrix_instance_f32 *dst)
 Floating-point matrix inverse. More...
 
arm_status arm_mat_inverse_f64 (const arm_matrix_instance_f64 *src, arm_matrix_instance_f64 *dst)
 Floating-point matrix inverse. More...
 
__STATIC_FORCEINLINE void arm_clarke_f32 (float32_t Ia, float32_t Ib, float32_t *pIalpha, float32_t *pIbeta)
 Floating-point Clarke transform. More...
 
__STATIC_FORCEINLINE void arm_clarke_q31 (q31_t Ia, q31_t Ib, q31_t *pIalpha, q31_t *pIbeta)
 Clarke transform for Q31 version. More...
 
__STATIC_FORCEINLINE void arm_inv_clarke_f32 (float32_t Ialpha, float32_t Ibeta, float32_t *pIa, float32_t *pIb)
 Floating-point Inverse Clarke transform. More...
 
__STATIC_FORCEINLINE void arm_inv_clarke_q31 (q31_t Ialpha, q31_t Ibeta, q31_t *pIa, q31_t *pIb)
 Inverse Clarke transform for Q31 version. More...
 
__STATIC_FORCEINLINE void arm_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...
 
__STATIC_FORCEINLINE void arm_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...
 
__STATIC_FORCEINLINE void arm_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...
 
__STATIC_FORCEINLINE void arm_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...
 
__STATIC_FORCEINLINE float32_t arm_linear_interp_f32 (arm_linear_interp_instance_f32 *S, float32_t x)
 Process function for the floating-point Linear Interpolation Function. More...
 
__STATIC_FORCEINLINE q31_t arm_linear_interp_q31 (q31_t *pYData, q31_t x, uint32_t nValues)
 Process function for the Q31 Linear Interpolation Function. More...
 
__STATIC_FORCEINLINE q15_t arm_linear_interp_q15 (q15_t *pYData, q31_t x, uint32_t nValues)
 Process function for the Q15 Linear Interpolation Function. More...
 
__STATIC_FORCEINLINE q7_t arm_linear_interp_q7 (q7_t *pYData, q31_t x, uint32_t nValues)
 Process function for the Q7 Linear Interpolation Function. More...
 
float32_t arm_sin_f32 (float32_t x)
 Fast approximation to the trigonometric sine function for floating-point data. More...
 
q31_t arm_sin_q31 (q31_t x)
 Fast approximation to the trigonometric sine function for Q31 data. More...
 
q15_t arm_sin_q15 (q15_t x)
 Fast approximation to the trigonometric sine function for Q15 data. More...
 
float32_t arm_cos_f32 (float32_t x)
 Fast approximation to the trigonometric cosine function for floating-point data. More...
 
q31_t arm_cos_q31 (q31_t x)
 Fast approximation to the trigonometric cosine function for Q31 data. More...
 
q15_t arm_cos_q15 (q15_t x)
 Fast approximation to the trigonometric cosine function for Q15 data. More...
 
__STATIC_FORCEINLINE arm_status arm_sqrt_f32 (float32_t in, float32_t *pOut)
 Floating-point square root function. More...
 
arm_status arm_sqrt_q31 (q31_t in, q31_t *pOut)
 Q31 square root function. More...
 
arm_status arm_sqrt_q15 (q15_t in, q15_t *pOut)
 Q15 square root function. More...
 
__STATIC_FORCEINLINE void arm_circularWrite_f32 (int32_t *circBuffer, int32_t L, uint16_t *writeOffset, int32_t bufferInc, const int32_t *src, int32_t srcInc, uint32_t blockSize)
 floating-point Circular write function. More...
 
__STATIC_FORCEINLINE void arm_circularRead_f32 (int32_t *circBuffer, int32_t L, int32_t *readOffset, int32_t bufferInc, int32_t *dst, int32_t *dst_base, int32_t dst_length, int32_t dstInc, uint32_t blockSize)
 floating-point Circular Read function. More...
 
__STATIC_FORCEINLINE void arm_circularWrite_q15 (q15_t *circBuffer, int32_t L, uint16_t *writeOffset, int32_t bufferInc, const q15_t *src, int32_t srcInc, uint32_t blockSize)
 Q15 Circular write function. More...
 
__STATIC_FORCEINLINE void arm_circularRead_q15 (q15_t *circBuffer, int32_t L, int32_t *readOffset, int32_t bufferInc, q15_t *dst, q15_t *dst_base, int32_t dst_length, int32_t dstInc, uint32_t blockSize)
 Q15 Circular Read function. More...
 
__STATIC_FORCEINLINE void arm_circularWrite_q7 (q7_t *circBuffer, int32_t L, uint16_t *writeOffset, int32_t bufferInc, const q7_t *src, int32_t srcInc, uint32_t blockSize)
 Q7 Circular write function. More...
 
__STATIC_FORCEINLINE void arm_circularRead_q7 (q7_t *circBuffer, int32_t L, int32_t *readOffset, int32_t bufferInc, q7_t *dst, q7_t *dst_base, int32_t dst_length, int32_t dstInc, uint32_t blockSize)
 Q7 Circular Read function. More...
 
void arm_power_q31 (const q31_t *pSrc, uint32_t blockSize, q63_t *pResult)
 Sum of the squares of the elements of a Q31 vector. More...
 
void arm_power_f32 (const float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
 Sum of the squares of the elements of a floating-point vector. More...
 
void arm_power_q15 (const q15_t *pSrc, uint32_t blockSize, q63_t *pResult)
 Sum of the squares of the elements of a Q15 vector. More...
 
void arm_power_q7 (const q7_t *pSrc, uint32_t blockSize, q31_t *pResult)
 Sum of the squares of the elements of a Q7 vector. More...
 
void arm_mean_q7 (const q7_t *pSrc, uint32_t blockSize, q7_t *pResult)
 Mean value of a Q7 vector. More...
 
void arm_mean_q15 (const q15_t *pSrc, uint32_t blockSize, q15_t *pResult)
 Mean value of a Q15 vector. More...
 
void arm_mean_q31 (const q31_t *pSrc, uint32_t blockSize, q31_t *pResult)
 Mean value of a Q31 vector. More...
 
void arm_mean_f32 (const float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
 Mean value of a floating-point vector. More...
 
void arm_var_f32 (const float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
 Variance of the elements of a floating-point vector. More...
 
void arm_var_q31 (const q31_t *pSrc, uint32_t blockSize, q31_t *pResult)
 Variance of the elements of a Q31 vector. More...
 
void arm_var_q15 (const q15_t *pSrc, uint32_t blockSize, q15_t *pResult)
 Variance of the elements of a Q15 vector. More...
 
void arm_rms_f32 (const float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
 Root Mean Square of the elements of a floating-point vector. More...
 
void arm_rms_q31 (const q31_t *pSrc, uint32_t blockSize, q31_t *pResult)
 Root Mean Square of the elements of a Q31 vector. More...
 
void arm_rms_q15 (const q15_t *pSrc, uint32_t blockSize, q15_t *pResult)
 Root Mean Square of the elements of a Q15 vector. More...
 
void arm_std_f32 (const float32_t *pSrc, uint32_t blockSize, float32_t *pResult)
 Standard deviation of the elements of a floating-point vector. More...
 
void arm_std_q31 (const q31_t *pSrc, uint32_t blockSize, q31_t *pResult)
 Standard deviation of the elements of a Q31 vector. More...
 
void arm_std_q15 (const q15_t *pSrc, uint32_t blockSize, q15_t *pResult)
 Standard deviation of the elements of a Q15 vector. More...
 
void arm_cmplx_mag_f32 (const float32_t *pSrc, float32_t *pDst, uint32_t numSamples)
 Floating-point complex magnitude. More...
 
void arm_cmplx_mag_q31 (const q31_t *pSrc, q31_t *pDst, uint32_t numSamples)
 Q31 complex magnitude. More...
 
void arm_cmplx_mag_q15 (const q15_t *pSrc, q15_t *pDst, uint32_t numSamples)
 Q15 complex magnitude. More...
 
void arm_cmplx_dot_prod_q15 (const q15_t *pSrcA, const q15_t *pSrcB, uint32_t numSamples, q31_t *realResult, q31_t *imagResult)
 Q15 complex dot product. More...
 
void arm_cmplx_dot_prod_q31 (const q31_t *pSrcA, const q31_t *pSrcB, uint32_t numSamples, q63_t *realResult, q63_t *imagResult)
 Q31 complex dot product. More...
 
void arm_cmplx_dot_prod_f32 (const float32_t *pSrcA, const float32_t *pSrcB, uint32_t numSamples, float32_t *realResult, float32_t *imagResult)
 Floating-point complex dot product. More...
 
void arm_cmplx_mult_real_q15 (const q15_t *pSrcCmplx, const q15_t *pSrcReal, q15_t *pCmplxDst, uint32_t numSamples)
 Q15 complex-by-real multiplication. More...
 
void arm_cmplx_mult_real_q31 (const q31_t *pSrcCmplx, const q31_t *pSrcReal, q31_t *pCmplxDst, uint32_t numSamples)
 Q31 complex-by-real multiplication. More...
 
void arm_cmplx_mult_real_f32 (const float32_t *pSrcCmplx, const float32_t *pSrcReal, float32_t *pCmplxDst, uint32_t numSamples)
 Floating-point complex-by-real multiplication. More...
 
void arm_min_q7 (const q7_t *pSrc, uint32_t blockSize, q7_t *result, uint32_t *index)
 Minimum value of a Q7 vector. More...
 
void arm_min_q15 (const q15_t *pSrc, uint32_t blockSize, q15_t *pResult, uint32_t *pIndex)
 Minimum value of a Q15 vector. More...
 
void arm_min_q31 (const q31_t *pSrc, uint32_t blockSize, q31_t *pResult, uint32_t *pIndex)
 Minimum value of a Q31 vector. More...
 
void arm_min_f32 (const float32_t *pSrc, uint32_t blockSize, float32_t *pResult, uint32_t *pIndex)
 Minimum value of a floating-point vector. More...
 
void arm_max_q7 (const q7_t *pSrc, uint32_t blockSize, q7_t *pResult, uint32_t *pIndex)
 Maximum value of a Q7 vector. More...
 
void arm_max_q15 (const q15_t *pSrc, uint32_t blockSize, q15_t *pResult, uint32_t *pIndex)
 Maximum value of a Q15 vector. More...
 
void arm_max_q31 (const q31_t *pSrc, uint32_t blockSize, q31_t *pResult, uint32_t *pIndex)
 Maximum value of a Q31 vector. More...
 
void arm_max_f32 (const float32_t *pSrc, uint32_t blockSize, float32_t *pResult, uint32_t *pIndex)
 Maximum value of a floating-point vector. More...
 
void arm_cmplx_mult_cmplx_q15 (const q15_t *pSrcA, const q15_t *pSrcB, q15_t *pDst, uint32_t numSamples)
 Q15 complex-by-complex multiplication. More...
 
void arm_cmplx_mult_cmplx_q31 (const q31_t *pSrcA, const q31_t *pSrcB, q31_t *pDst, uint32_t numSamples)
 Q31 complex-by-complex multiplication. More...
 
void arm_cmplx_mult_cmplx_f32 (const float32_t *pSrcA, const float32_t *pSrcB, float32_t *pDst, uint32_t numSamples)
 Floating-point complex-by-complex multiplication. More...
 
void arm_float_to_q31 (const float32_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Converts the elements of the floating-point vector to Q31 vector. More...
 
void arm_float_to_q15 (const float32_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Converts the elements of the floating-point vector to Q15 vector. More...
 
void arm_float_to_q7 (const float32_t *pSrc, q7_t *pDst, uint32_t blockSize)
 Converts the elements of the floating-point vector to Q7 vector. More...
 
void arm_q31_to_float (const q31_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Converts the elements of the Q31 vector to floating-point vector. More...
 
void arm_q31_to_q15 (const q31_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Converts the elements of the Q31 vector to Q15 vector. More...
 
void arm_q31_to_q7 (const q31_t *pSrc, q7_t *pDst, uint32_t blockSize)
 Converts the elements of the Q31 vector to Q7 vector. More...
 
void arm_q15_to_float (const q15_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Converts the elements of the Q15 vector to floating-point vector. More...
 
void arm_q15_to_q31 (const q15_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Converts the elements of the Q15 vector to Q31 vector. More...
 
void arm_q15_to_q7 (const q15_t *pSrc, q7_t *pDst, uint32_t blockSize)
 Converts the elements of the Q15 vector to Q7 vector. More...
 
void arm_q7_to_float (const q7_t *pSrc, float32_t *pDst, uint32_t blockSize)
 Converts the elements of the Q7 vector to floating-point vector. More...
 
void arm_q7_to_q31 (const q7_t *pSrc, q31_t *pDst, uint32_t blockSize)
 Converts the elements of the Q7 vector to Q31 vector. More...
 
void arm_q7_to_q15 (const q7_t *pSrc, q15_t *pDst, uint32_t blockSize)
 Converts the elements of the Q7 vector to Q15 vector. More...
 
__STATIC_FORCEINLINE float32_t arm_bilinear_interp_f32 (const arm_bilinear_interp_instance_f32 *S, float32_t X, float32_t Y)
 Floating-point bilinear interpolation. More...
 
__STATIC_FORCEINLINE q31_t arm_bilinear_interp_q31 (arm_bilinear_interp_instance_q31 *S, q31_t X, q31_t Y)
 Q31 bilinear interpolation. More...
 
__STATIC_FORCEINLINE q15_t arm_bilinear_interp_q15 (arm_bilinear_interp_instance_q15 *S, q31_t X, q31_t Y)
 Q15 bilinear interpolation. More...
 
__STATIC_FORCEINLINE q7_t arm_bilinear_interp_q7 (arm_bilinear_interp_instance_q7 *S, q31_t X, q31_t Y)
 Q7 bilinear interpolation. More...
 

Macro Definition Documentation

#define __PACKq7 (   v0,
  v1,
  v2,
  v3 
)
#define __PKHBT (   ARG1,
  ARG2,
  ARG3 
)
#define __PKHTB (   ARG1,
  ARG2,
  ARG3 
)
#define __SIMD32 (   addr)
#define __SIMD32_CONST (   addr)
#define __SIMD64 (   addr)
#define _SIMD32_OFFSET (   addr)
#define CONTROLLER_Q31_SHIFT
#define DELTA_Q15
#define DELTA_Q31
#define FAST_MATH_Q15_SHIFT
#define FAST_MATH_Q31_SHIFT
#define FAST_MATH_TABLE_SIZE
#define INDEX_MASK
#define INPUT_SPACING
#define mult_32x32_keep32 (   a,
  x,
 
)
#define mult_32x32_keep32_R (   a,
  x,
 
)
#define multAcc_32x32_keep32 (   a,
  x,
 
)
#define multAcc_32x32_keep32_R (   a,
  x,
 
)

end of BilinearInterpolate group

#define multSub_32x32_keep32 (   a,
  x,
 
)
#define multSub_32x32_keep32_R (   a,
  x,
 
)
#define PI
#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 arm_status
Enumerator
ARM_MATH_SUCCESS 

No error

ARM_MATH_ARGUMENT_ERROR 

One or more arguments are incorrect

ARM_MATH_LENGTH_ERROR 

Length of data buffer is incorrect

ARM_MATH_SIZE_MISMATCH 

Size of matrices is not compatible with the operation

ARM_MATH_NANINF 

Not-a-number (NaN) or infinity is generated

ARM_MATH_SINGULAR 

Input matrix is singular and cannot be inverted

ARM_MATH_TEST_FAILURE 

Test Failed

Function Documentation

__STATIC_FORCEINLINE int32_t __QADD ( int32_t  x,
int32_t  y 
)
__STATIC_FORCEINLINE uint32_t __QADD16 ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __QADD8 ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __QASX ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __QSAX ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE int32_t __QSUB ( int32_t  x,
int32_t  y 
)
__STATIC_FORCEINLINE uint32_t __QSUB16 ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __QSUB8 ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __SHADD16 ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __SHASX ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __SHSAX ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __SHSUB16 ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __SMLAD ( uint32_t  x,
uint32_t  y,
uint32_t  sum 
)
__STATIC_FORCEINLINE uint32_t __SMLADX ( uint32_t  x,
uint32_t  y,
uint32_t  sum 
)
__STATIC_FORCEINLINE uint64_t __SMLALD ( uint32_t  x,
uint32_t  y,
uint64_t  sum 
)
__STATIC_FORCEINLINE uint64_t __SMLALDX ( uint32_t  x,
uint32_t  y,
uint64_t  sum 
)
__STATIC_FORCEINLINE uint32_t __SMLSDX ( uint32_t  x,
uint32_t  y,
uint32_t  sum 
)
__STATIC_FORCEINLINE int32_t __SMMLA ( int32_t  x,
int32_t  y,
int32_t  sum 
)
__STATIC_FORCEINLINE uint32_t __SMUAD ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __SMUADX ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __SMUSD ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __SMUSDX ( uint32_t  x,
uint32_t  y 
)
__STATIC_FORCEINLINE uint32_t __SXTB16 ( uint32_t  x)
__STATIC_FORCEINLINE void arm_circularRead_f32 ( int32_t *  circBuffer,
int32_t  L,
int32_t *  readOffset,
int32_t  bufferInc,
int32_t *  dst,
int32_t *  dst_base,
int32_t  dst_length,
int32_t  dstInc,
uint32_t  blockSize 
)
__STATIC_FORCEINLINE void arm_circularRead_q15 ( q15_t circBuffer,
int32_t  L,
int32_t *  readOffset,
int32_t  bufferInc,
q15_t dst,
q15_t dst_base,
int32_t  dst_length,
int32_t  dstInc,
uint32_t  blockSize 
)
__STATIC_FORCEINLINE void arm_circularRead_q7 ( q7_t circBuffer,
int32_t  L,
int32_t *  readOffset,
int32_t  bufferInc,
q7_t dst,
q7_t dst_base,
int32_t  dst_length,
int32_t  dstInc,
uint32_t  blockSize 
)
__STATIC_FORCEINLINE void arm_circularWrite_f32 ( int32_t *  circBuffer,
int32_t  L,
uint16_t *  writeOffset,
int32_t  bufferInc,
const int32_t *  src,
int32_t  srcInc,
uint32_t  blockSize 
)

end of SQRT group

__STATIC_FORCEINLINE void arm_circularWrite_q15 ( q15_t circBuffer,
int32_t  L,
uint16_t *  writeOffset,
int32_t  bufferInc,
const q15_t src,
int32_t  srcInc,
uint32_t  blockSize 
)
__STATIC_FORCEINLINE void arm_circularWrite_q7 ( q7_t circBuffer,
int32_t  L,
uint16_t *  writeOffset,
int32_t  bufferInc,
const q7_t src,
int32_t  srcInc,
uint32_t  blockSize 
)
__STATIC_FORCEINLINE uint32_t arm_recip_q15 ( q15_t  in,
q15_t dst,
const q15_t pRecipTable 
)
__STATIC_FORCEINLINE uint32_t arm_recip_q31 ( q31_t  in,
q31_t dst,
const q31_t pRecipTable 
)
__STATIC_FORCEINLINE q15_t clip_q31_to_q15 ( q31_t  x)
__STATIC_FORCEINLINE q7_t clip_q31_to_q7 ( q31_t  x)
__STATIC_FORCEINLINE q15_t clip_q63_to_q15 ( q63_t  x)
__STATIC_FORCEINLINE q31_t clip_q63_to_q31 ( q63_t  x)
__STATIC_FORCEINLINE q63_t mult32x64 ( q63_t  x,
q31_t  y 
)
__STATIC_FORCEINLINE q31_t read_q15x2 ( q15_t pQ15)
Parameters
[in]pQ15points to input value
Returns
Q31 value
__STATIC_FORCEINLINE q31_t read_q15x2_da ( q15_t **  pQ15)
Parameters
[in]pQ15points to input value
Returns
Q31 value
__STATIC_FORCEINLINE q31_t read_q15x2_ia ( q15_t **  pQ15)
Parameters
[in]pQ15points to input value
Returns
Q31 value
__STATIC_FORCEINLINE q31_t read_q7x4_da ( q7_t **  pQ7)
Parameters
[in]pQ7points to input value
Returns
Q31 value
__STATIC_FORCEINLINE q31_t read_q7x4_ia ( q7_t **  pQ7)
Parameters
[in]pQ7points to input value
Returns
Q31 value
__STATIC_FORCEINLINE void write_q15x2 ( q15_t pQ15,
q31_t  value 
)
Parameters
[in]pQ15points to input value
[in]valueQ31 value
Returns
none
__STATIC_FORCEINLINE void write_q15x2_ia ( q15_t **  pQ15,
q31_t  value 
)
Parameters
[in]pQ15points to input value
[in]valueQ31 value
Returns
none
__STATIC_FORCEINLINE void write_q7x4_ia ( q7_t **  pQ7,
q31_t  value 
)
Parameters
[in]pQ7points to input value
[in]valueQ31 value
Returns
none