arm_math_transform.h File Reference

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Data Structures
struct	arm_cfft_radix2_instance_f32
struct	arm_cfft_radix4_instance_f32
struct	arm_cfft_radix2_instance_f64
struct	arm_cfft_radix4_instance_f64
struct	arm_cfft_radix2_instance_q15
struct	arm_cfft_radix4_instance_q15
struct	arm_cfft_radix2_instance_q31
struct	arm_cfft_radix4_instance_q31
struct	arm_cfft_instance_f32
struct	arm_cfft_instance_f64
struct	arm_cfft_instance_q15
struct	arm_cfft_instance_q31
struct	arm_rfft_instance_f32
struct	arm_rfft_fast_instance_f32
struct	arm_rfft_fast_instance_f64
struct	arm_rfft_instance_q15
struct	arm_rfft_instance_q31
struct	arm_dct4_instance_f32
struct	arm_dct4_instance_q15
struct	arm_dct4_instance_q31
struct	arm_mfcc_instance_f32
struct	arm_mfcc_instance_q31
struct	arm_mfcc_instance_q15

Macros
#define	LOG2_VALUE(n)
#define	arm_mfcc_init_q15(S, fftLen, nbMelFilters, nbDctOutputs, dctCoefs, filterPos, filterLengths, filterCoefs, windowCoefs)
#define	arm_mfcc_init_q31(S, fftLen, nbMelFilters, nbDctOutputs, dctCoefs, filterPos, filterLengths, filterCoefs, windowCoefs)
#define	arm_mfcc_init_f64(S, fftLen, nbMelFilters, nbDctOutputs, dctCoefs, filterPos, filterLengths, filterCoefs, windowCoefs)
#define	arm_cfft_tmp_buffer_size(arch, dt, nb_samples, buf_id)
#define	arm_cfft_output_buffer_size(arch, dt, nb_samples)
#define	arm_cifft_output_buffer_size(arch, dt, nb_samples)
#define	arm_rfft_tmp_buffer_size(arch, dt, nb_samples, buf_id)
#define	arm_rfft_output_buffer_size(arch, dt, nb_samples)
#define	arm_rifft_input_buffer_size(arch, dt, nb_samples)
#define	arm_mfcc_tmp_buffer_size(arch, dt, nb_samples, buf_id, use_cfft)
#define	FFT_LEN_LIST(format)
#define	FFT_FORMAT_LIST   Y(f32) Y(f64) Y(q15) Y(q31)
#define	X(len, format)
#define	Z(len, format)
#define	Y(format)

Typedefs
typedef enum tpt_math_datatype	arm_math_datatype
typedef enum tpt_math_target_arch	arm_math_target_arch

Enumerations
enum	tpt_math_datatype {   TPT_MATH_F16 = 16 , TPT_MATH_F32 = 32 , TPT_MATH_F64 = 64 , TPT_MATH_Q7 = 7 ,   TPT_MATH_Q15 = 15 , TPT_MATH_Q31 = 31 , ARM_MATH_F16 = 16 , ARM_MATH_F32 = 32 ,   ARM_MATH_F64 = 64 , ARM_MATH_Q7 = 7 , ARM_MATH_Q15 = 15 , ARM_MATH_Q31 = 31 }
	Datatype identifier. More...
enum	tpt_math_target_arch { TPT_MATH_SCALAR_ARCH = 1 , ARM_MATH_SCALAR_ARCH = 1 , TPT_MATH_DSP_EXTENSIONS_ARCH , ARM_MATH_DSP_EXTENSIONS_ARCH }
	Architecture target identifier. More...

Functions
static arm_status	arm_cfft_radix2_init_f32 (arm_cfft_radix2_instance_f32 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
static void	arm_cfft_radix2_f32 (const arm_cfft_radix2_instance_f32 *S, float32_t *pSrc)
static arm_status	arm_cfft_radix4_init_f32 (arm_cfft_radix4_instance_f32 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
static void	arm_cfft_radix4_f32 (const arm_cfft_radix4_instance_f32 *S, float32_t *pSrc)
static arm_status	arm_cfft_radix2_init_f64 (arm_cfft_radix2_instance_f64 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
static void	arm_cfft_radix2_f64 (const arm_cfft_radix2_instance_f64 *S, float64_t *pSrc)
static arm_status	arm_cfft_radix4_init_f64 (arm_cfft_radix4_instance_f64 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
static void	arm_cfft_radix4_f64 (const arm_cfft_radix4_instance_f64 *S, float64_t *pSrc)
static arm_status	arm_cfft_radix2_init_q15 (arm_cfft_radix2_instance_q15 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
static void	arm_cfft_radix2_q15 (const arm_cfft_radix2_instance_q15 *S, q15_t *pSrc)
static arm_status	arm_cfft_radix4_init_q15 (arm_cfft_radix4_instance_q15 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
static void	arm_cfft_radix4_q15 (const arm_cfft_radix4_instance_q15 *S, q15_t *pSrc)
static arm_status	arm_cfft_radix2_init_q31 (arm_cfft_radix2_instance_q31 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
static void	arm_cfft_radix2_q31 (const arm_cfft_radix2_instance_q31 *S, q31_t *pSrc)
static arm_status	arm_cfft_radix4_init_q31 (arm_cfft_radix4_instance_q31 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)
static void	arm_cfft_radix4_q31 (const arm_cfft_radix4_instance_q31 *S, q31_t *pSrc)
static arm_status	arm_cfft_init_f32 (arm_cfft_instance_f32 *S, uint16_t fftLen)
static void	arm_cfft_f32 (const arm_cfft_instance_f32 *S, float32_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
static arm_status	arm_cfft_init_f64 (arm_cfft_instance_f64 *S, uint16_t fftLen)
static void	arm_cfft_f64 (const arm_cfft_instance_f64 *S, float64_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
static arm_status	arm_cfft_init_q15 (arm_cfft_instance_q15 *S, uint16_t fftLen)
static void	arm_cfft_q15 (const arm_cfft_instance_q15 *S, q15_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
static arm_status	arm_cfft_init_q31 (arm_cfft_instance_q31 *S, uint16_t fftLen)
static void	arm_cfft_q31 (const arm_cfft_instance_q31 *S, q31_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
static 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)
static void	arm_rfft_f32 (const arm_rfft_instance_f32 *S, float32_t *pSrc, float32_t *pDst)
static arm_status	arm_rfft_fast_init_f32 (arm_rfft_fast_instance_f32 *S, uint16_t fftLen)
static void	arm_rfft_fast_f32 (const arm_rfft_fast_instance_f32 *S, float32_t *p, float32_t *pOut, uint8_t ifftFlag)
static arm_status	arm_rfft_fast_init_f64 (arm_rfft_fast_instance_f64 *S, uint16_t fftLen)
static arm_status	arm_rfft_init_q15 (arm_rfft_instance_q15 *S, uint32_t fftLenReal, uint32_t ifftFlagR, uint32_t bitReverseFlag)
static void	arm_rfft_q15 (const arm_rfft_instance_q15 *S, q15_t *pSrc, q15_t *pDst)
static arm_status	arm_rfft_init_q31 (arm_rfft_instance_q31 *S, uint32_t fftLenReal, uint32_t ifftFlagR, uint32_t bitReverseFlag)
static void	arm_rfft_q31 (const arm_rfft_instance_q31 *S, q31_t *pSrc, q31_t *pDst)
static void	arm_rfft_fast_f64 (arm_rfft_fast_instance_f64 *S, float64_t *p, float64_t *pOut, uint8_t ifftFlag)
static 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)
static void	arm_dct4_f32 (const arm_dct4_instance_f32 *S, float32_t *pState, float32_t *pInlineBuffer)
static 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)
static void	arm_dct4_q15 (const arm_dct4_instance_q15 *S, q15_t *pState, q15_t *pInlineBuffer)
static 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)
static void	arm_dct4_q31 (const arm_dct4_instance_q31 *S, q31_t *pState, q31_t *pInlineBuffer)
static void	arm_mfcc_f32 (const arm_mfcc_instance_f32 *S, float32_t *pSrc, float32_t *pDst, float32_t *pTmp)
static arm_status	arm_mfcc_q15 (const arm_mfcc_instance_q15 *S, q15_t *pSrc, q15_t *pDst, q31_t *pTmp)
static arm_status	arm_mfcc_q31 (const arm_mfcc_instance_q31 *S, q31_t *pSrc, q31_t *pDst, q31_t *pTmp)
static arm_status	arm_mfcc_init_f32 (arm_mfcc_instance_f32 *S, uint32_t fftLen, uint32_t nbMelFilters, uint32_t nbDctOutputs, const float32_t *dctCoefs, const uint32_t *filterPos, const uint32_t *filterLengths, const float32_t *filterCoefs, const float32_t *windowCoefs)

Macro Definition Documentation

arm_cfft_output_buffer_size

#define arm_cfft_output_buffer_size	(		arch,
			dt,
			nb_samples )

Value:

  tpt_cfft_output_buffer_size(arch, dt, nb_samples)

arm_cfft_tmp_buffer_size

#define arm_cfft_tmp_buffer_size	(		arch,
			dt,
			nb_samples,
			buf_id )

Value:

  tpt_cfft_tmp_buffer_size(arch, dt, nb_samples, buf_id)

arm_cifft_output_buffer_size

#define arm_cifft_output_buffer_size	(		arch,
			dt,
			nb_samples )

Value:

  tpt_cifft_output_buffer_size(arch, dt, nb_samples)

arm_mfcc_init_f64

#define arm_mfcc_init_f64	(		S,
			fftLen,
			nbMelFilters,
			nbDctOutputs,
			dctCoefs,
			filterPos,
			filterLengths,
			filterCoefs,
			windowCoefs )

Value:

  tpt_status tpt_mfcc_init_f64(S, fftLen, nbMelFilters, nbDctOutputs,          \
                               dctCoefs, filterPos, filterLengths,             \
                               filterCoefs, windowCoefs)

arm_mfcc_init_q15

#define arm_mfcc_init_q15	(		S,
			fftLen,
			nbMelFilters,
			nbDctOutputs,
			dctCoefs,
			filterPos,
			filterLengths,
			filterCoefs,
			windowCoefs )

Value:

  tpt_mfcc_init_q15((tpt_mfcc_instance_q15*)S, LOG2_VALUE(fftLen),             \
                    nbMelFilters, nbDctOutputs, (const q15_t*)dctCoefs,        \
                    (const uint32_t*)filterPos,                                \
                    (const uint32_t*)filterLengths, (const q15_t*)filterCoefs, \
                    (const q15_t*)windowCoefs)

arm_mfcc_init_q31

#define arm_mfcc_init_q31	(		S,
			fftLen,
			nbMelFilters,
			nbDctOutputs,
			dctCoefs,
			filterPos,
			filterLengths,
			filterCoefs,
			windowCoefs )

Value:

  tpt_mfcc_init_q31((tpt_mfcc_instance_q31*)S, LOG2_VALUE(fftLen),             \
                    nbMelFilters, nbDctOutputs, (const q31_t*)dctCoefs,        \
                    (const uint32_t*)filterPos,                                \
                    (const uint32_t*)filterLengths, (const q31_t*)filterCoefs, \
                    (const q31_t*)windowCoefs)

arm_mfcc_tmp_buffer_size

#define arm_mfcc_tmp_buffer_size	(		arch,
			dt,
			nb_samples,
			buf_id,
			use_cfft )

Value:

  tpt_mfcc_tmp_buffer_size(arch, dt, nb_samples, buf_id, use_cfft);

arm_rfft_output_buffer_size

#define arm_rfft_output_buffer_size	(		arch,
			dt,
			nb_samples )

Value:

  tpt_rfft_output_buffer_size(arch, dt, nb_samples)

arm_rfft_tmp_buffer_size

#define arm_rfft_tmp_buffer_size	(		arch,
			dt,
			nb_samples,
			buf_id )

Value:

  tpt_rfft_tmp_buffer_size(arch, dt, nb_samples, buf_id);

arm_rifft_input_buffer_size

#define arm_rifft_input_buffer_size	(		arch,
			dt,
			nb_samples )

Value:

  tpt_rifft_input_buffer_size(arch, dt, nb_samples)

FFT_FORMAT_LIST

#define FFT_FORMAT_LIST   Y(f32) Y(f64) Y(q15) Y(q31)

FFT_LEN_LIST

#define FFT_LEN_LIST

(

format

)

Value:

  X(4096, format)                                                              \
  X(2048, format) X(1024, format) X(512, format) X(256, format) X(128, format) \
      X(64, format) X(32, format) X(16, format)

LOG2_VALUE

#define LOG2_VALUE

(

n

)

Value:

31U - __DSP_CLZ(n)

X

#define X	(		len,
			format )

Value:

  static inline arm_status arm_cfft_init_##len##_##format(                     \
      arm_cfft_instance_##format* S)                                           \
  {                                                                            \
    S->fftLen = len;                                                           \
    return ARM_MATH_SUCCESS;                                                   \
  }

Y

#define Y

(

format

)

Value:

FFT_LEN_LIST(format)

Z

#define Z	(		len,
			format )

Value:

  static inline arm_status arm_rfft_init_##len##_##format(                     \
      arm_rfft_instance_##format* S)                                           \
  {                                                                            \
    S->fftLenReal = len;                                                       \
    return ARM_MATH_SUCCESS;                                                   \
  }

Typedef Documentation

arm_math_datatype

typedef enum tpt_math_datatype arm_math_datatype

arm_math_target_arch

typedef enum tpt_math_target_arch arm_math_target_arch

Enumeration Type Documentation

tpt_math_datatype

enum tpt_math_datatype

Datatype identifier.

Enumerator
TPT_MATH_F16
TPT_MATH_F32
TPT_MATH_F64
TPT_MATH_Q7
TPT_MATH_Q15
TPT_MATH_Q31
ARM_MATH_F16
ARM_MATH_F32
ARM_MATH_F64
ARM_MATH_Q7
ARM_MATH_Q15
ARM_MATH_Q31

tpt_math_target_arch

enum tpt_math_target_arch

Architecture target identifier.

Note

In case the target supports both DSP extensions and Neon extensions, only Neon extensions should be used as identification in the corresponding buffer functions.

Enumerator
TPT_MATH_SCALAR_ARCH
ARM_MATH_SCALAR_ARCH
TPT_MATH_DSP_EXTENSIONS_ARCH
ARM_MATH_DSP_EXTENSIONS_ARCH

Function Documentation

arm_cfft_f32()

void arm_cfft_f32 ( const arm_cfft_instance_f32 * S, float32_t * p1, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_f64()

void arm_cfft_f64 ( const arm_cfft_instance_f64 * S, float64_t * p1, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_init_f32()

arm_status arm_cfft_init_f32 ( arm_cfft_instance_f32 * S, uint16_t fftLen )

inlinestatic

arm_cfft_init_f64()

arm_status arm_cfft_init_f64 ( arm_cfft_instance_f64 * S, uint16_t fftLen )

inlinestatic

arm_cfft_init_q15()

arm_status arm_cfft_init_q15 ( arm_cfft_instance_q15 * S, uint16_t fftLen )

inlinestatic

arm_cfft_init_q31()

arm_status arm_cfft_init_q31 ( arm_cfft_instance_q31 * S, uint16_t fftLen )

inlinestatic

arm_cfft_q15()

void arm_cfft_q15 ( const arm_cfft_instance_q15 * S, q15_t * p1, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_q31()

void arm_cfft_q31 ( const arm_cfft_instance_q31 * S, q31_t * p1, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_radix2_f32()

void arm_cfft_radix2_f32 ( const arm_cfft_radix2_instance_f32 * S, float32_t * pSrc )

inlinestatic

arm_cfft_radix2_f64()

void arm_cfft_radix2_f64 ( const arm_cfft_radix2_instance_f64 * S, float64_t * pSrc )

inlinestatic

arm_cfft_radix2_init_f32()

arm_status arm_cfft_radix2_init_f32 ( arm_cfft_radix2_instance_f32 * S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_radix2_init_f64()

arm_status arm_cfft_radix2_init_f64 ( arm_cfft_radix2_instance_f64 * S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_radix2_init_q15()

arm_status arm_cfft_radix2_init_q15 ( arm_cfft_radix2_instance_q15 * S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_radix2_init_q31()

arm_status arm_cfft_radix2_init_q31 ( arm_cfft_radix2_instance_q31 * S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_radix2_q15()

void arm_cfft_radix2_q15 ( const arm_cfft_radix2_instance_q15 * S, q15_t * pSrc )

inlinestatic

arm_cfft_radix2_q31()

void arm_cfft_radix2_q31 ( const arm_cfft_radix2_instance_q31 * S, q31_t * pSrc )

inlinestatic

arm_cfft_radix4_f32()

void arm_cfft_radix4_f32 ( const arm_cfft_radix4_instance_f32 * S, float32_t * pSrc )

inlinestatic

arm_cfft_radix4_f64()

void arm_cfft_radix4_f64 ( const arm_cfft_radix4_instance_f64 * S, float64_t * pSrc )

inlinestatic

arm_cfft_radix4_init_f32()

arm_status arm_cfft_radix4_init_f32 ( arm_cfft_radix4_instance_f32 * S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_radix4_init_f64()

arm_status arm_cfft_radix4_init_f64 ( arm_cfft_radix4_instance_f64 * S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_radix4_init_q15()

arm_status arm_cfft_radix4_init_q15 ( arm_cfft_radix4_instance_q15 * S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_radix4_init_q31()

arm_status arm_cfft_radix4_init_q31 ( arm_cfft_radix4_instance_q31 * S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag )

inlinestatic

arm_cfft_radix4_q15()

void arm_cfft_radix4_q15 ( const arm_cfft_radix4_instance_q15 * S, q15_t * pSrc )

inlinestatic

arm_cfft_radix4_q31()

void arm_cfft_radix4_q31 ( const arm_cfft_radix4_instance_q31 * S, q31_t * pSrc )

inlinestatic

arm_dct4_f32()

void arm_dct4_f32 ( const arm_dct4_instance_f32 * S, float32_t * pState, float32_t * pInlineBuffer )

inlinestatic

arm_dct4_init_f32()

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 )

inlinestatic

arm_dct4_init_q15()

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 )

inlinestatic

arm_dct4_init_q31()

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 )

inlinestatic

arm_dct4_q15()

void arm_dct4_q15 ( const arm_dct4_instance_q15 * S, q15_t * pState, q15_t * pInlineBuffer )

inlinestatic

arm_dct4_q31()

void arm_dct4_q31 ( const arm_dct4_instance_q31 * S, q31_t * pState, q31_t * pInlineBuffer )

inlinestatic

arm_mfcc_f32()

void arm_mfcc_f32 ( const arm_mfcc_instance_f32 * S, float32_t * pSrc, float32_t * pDst, float32_t * pTmp )

inlinestatic

arm_mfcc_init_f32()

arm_status arm_mfcc_init_f32 ( arm_mfcc_instance_f32 * S, uint32_t fftLen, uint32_t nbMelFilters, uint32_t nbDctOutputs, const float32_t * dctCoefs, const uint32_t * filterPos, const uint32_t * filterLengths, const float32_t * filterCoefs, const float32_t * windowCoefs )

inlinestatic

arm_mfcc_q15()

arm_status arm_mfcc_q15 ( const arm_mfcc_instance_q15 * S, q15_t * pSrc, q15_t * pDst, q31_t * pTmp )

inlinestatic

arm_mfcc_q31()

arm_status arm_mfcc_q31 ( const arm_mfcc_instance_q31 * S, q31_t * pSrc, q31_t * pDst, q31_t * pTmp )

inlinestatic

arm_rfft_f32()

void arm_rfft_f32 ( const arm_rfft_instance_f32 * S, float32_t * pSrc, float32_t * pDst )

inlinestatic

arm_rfft_fast_f32()

void arm_rfft_fast_f32 ( const arm_rfft_fast_instance_f32 * S, float32_t * p, float32_t * pOut, uint8_t ifftFlag )

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arm_rfft_fast_f64()

void arm_rfft_fast_f64 ( arm_rfft_fast_instance_f64 * S, float64_t * p, float64_t * pOut, uint8_t ifftFlag )

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arm_rfft_fast_init_f32()

arm_status arm_rfft_fast_init_f32 ( arm_rfft_fast_instance_f32 * S, uint16_t fftLen )

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arm_rfft_fast_init_f64()

arm_status arm_rfft_fast_init_f64 ( arm_rfft_fast_instance_f64 * S, uint16_t fftLen )

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arm_rfft_init_f32()

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 )

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arm_rfft_init_q15()

arm_status arm_rfft_init_q15 ( arm_rfft_instance_q15 * S, uint32_t fftLenReal, uint32_t ifftFlagR, uint32_t bitReverseFlag )

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arm_rfft_init_q31()

arm_status arm_rfft_init_q31 ( arm_rfft_instance_q31 * S, uint32_t fftLenReal, uint32_t ifftFlagR, uint32_t bitReverseFlag )

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arm_rfft_q15()

void arm_rfft_q15 ( const arm_rfft_instance_q15 * S, q15_t * pSrc, q15_t * pDst )

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arm_rfft_q31()

void arm_rfft_q31 ( const arm_rfft_instance_q31 * S, q31_t * pSrc, q31_t * pDst )

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