tpt_math_dsp.h File Reference

#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <limits.h>
#include <math.h>
#include <assert.h>
#include <float.h>
#include "libdsp/tpt_libdsp_version.h"
#include "libdsp/cosine_values.h"
#include "libdsp/tpt_math_f16.h"
#include "libdsp/tpt_math_fast.h"
#include "libdsp/tpt_math_vector.h"
#include "libdsp/tpt_math_support.h"
#include "libdsp/tpt_math_complex.h"
#include "libdsp/tpt_math_matrix.h"
#include "libdsp/tpt_math_transform.h"
#include "libdsp/tpt_math_filter.h"
#include "libdsp/tpt_math_controller.h"
#include "libdsp/tpt_math_statistics.h"
#include "libdsp/tpt_math_svm.h"
#include "libdsp/tpt_math_bayes.h"
#include "libdsp/tpt_math_qaternion.h"
#include "libdsp/tpt_math_window.h"
#include "libdsp/tpt_math_distance.h"
#include "libdsp/tpt_common_tables.h"
#include "libdsp/tpt_transform_internals.h"
#include "libdsp/tpt_math_config.h"

Include dependency graph for tpt_math_dsp.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	tpt_linear_interpolate_f32_s
	Instance structure for the floating-point Linear Interpolate function. More...
struct	tpt_bilinear_interpolate_f32_s
	Instance structure for the floating-point bilinear interpolation function. More...
struct	tpt_bilinear_interpolate_q7_s
	Instance structure for the Q7 bilinear interpolation function. More...
struct	tpt_bilinear_interpolate_q15_s
	Instance structure for the Q15 bilinear interpolation function. More...
struct	tpt_bilinear_interpolate_q31_s
	Instance structure for the Q31 bilinear interpolation function. More...

Macros
#define	__FORCEINLINE   __attribute__((always_inline)) inline
#define	__STATIC_FORCEINLINE   static inline __attribute__((always_inline))
#define	LIKELY(EXPR)
#define	UNLIKELY(EXPR)
#define	SWAP(x, y, T)
#define	SWAP_PAIR(x, y, T)
#define	SQUARE(val)
#define	OPT_BRANCH_PREDICTION   1
#define	OPT_HIGHLY_ACCURATE   0
#define	TPT_MATH_LOOPUNROLL   8
#define	F64_MAX   ((f64_t)DBL_MAX)
#define	F64_MIN   (-DBL_MAX)
#define	F32_MAX   ((f32_t)FLT_MAX)
#define	F32_MIN   (-FLT_MAX)
#define	Q63_MAX   ((q63_t)(0x7FFFFFFFFFFFFFFFLL))
#define	Q63_MIN   ((q63_t)(0x8000000000000000LL))
#define	Q31_MAX   ((q31_t)(0x7FFFFFFFL))
#define	Q31_MIN   ((q31_t)(0x80000000L))
#define	Q15_MAX   ((q15_t)(0x7FFF))
#define	Q15_MIN   ((q15_t)(0x8000))
#define	Q7_MAX   ((q7_t)(0x7F))
#define	Q7_MIN   ((q7_t)(0x80))
#define	F64_ABSMAX   ((f64_t)DBL_MAX)
#define	F64_ABSMIN   ((f64_t)0.0)
#define	F32_ABSMAX   ((f32_t)FLT_MAX)
#define	F32_ABSMIN   ((f32_t)0.0)
#define	Q31_ABSMAX   ((q31_t)(0x7FFFFFFFL))
#define	Q31_ABSMIN   ((q31_t)0)
#define	Q15_ABSMAX   ((q15_t)(0x7FFF))
#define	Q15_ABSMIN   ((q15_t)0)
#define	Q7_ABSMAX   ((q7_t)(0x7F))
#define	Q7_ABSMIN   ((q7_t)0)
#define	ABS(val, bit)
#define	CLIP(val, bit)
#define	CLIPS(val, bit)
#define	__CLZ   __DSP_CLZ
#define	SCALE_COL_T(T, A, ROW, v, i, aRows, aCols)
#define	__SSAT   __TPT_SSAT
#define	__PKHBT(x, y, z)
#define	__PKHTB(x, y, z)
#define	__PACKq7(w, x, y, z)
#define	mult_32x32_keep32(a, x, y)
#define	multAcc_32x32_keep32(a, x, y)
#define	multSub_32x32_keep32(a, x, y)
#define	mult_32x32_keep32_R(a, x, y)
#define	multAcc_32x32_keep32_R(a, x, y)
#define	multSub_32x32_keep32_R(a, x, y)
#define	SCALE_COL_F32(A, ROW, v, i, aRows, aCols)
#define	SCALE_COL_F64(A, ROW, v, i, aRows, aCols)
#define	F32_TO_Q7(val)
	Convert F32 to Q7 format This will use saturating arithmetic.
#define	F32_TO_Q15(val)
	Convert F32 to Q15 format This will use saturating arithmetic.
#define	F32_TO_Q31(val)
	Convert F32 to Q31 format This will use saturating arithmetic.
#define	Q7_TO_F32(val)
	Convert Q7 to F32 format.
#define	Q15_TO_F32(val)
	Convert Q15 to F32 format.
#define	Q31_TO_F32(val)
	Convert Q31 to F32 format.
#define	F64_TO_Q7(val)
	Convert F64 to Q7 format This will use saturating arithmetic.
#define	F64_TO_Q15(val)
	Convert F64 to Q15 format This will use saturating arithmetic.
#define	F64_TO_Q31(val)
	Convert F64 to Q31 format This will use saturating arithmetic.
#define	Q7_TO_F64(val)
	Convert Q7 to F64 format.
#define	Q15_TO_F64(val)
	Convert Q15 to F64 format.
#define	Q31_TO_F64(val)
	Convert Q31 to F64 format.

Typedefs
typedef long double	f128_t
	128-bit floating-point type definition.
typedef double	f64_t
	64-bit floating-point type definition.
typedef float	f32_t
	32-bit floating-point type definition.
typedef int64_t	q63_t
	64-bit fractional data type in 1.63 format.
typedef int32_t	q31_t
	32-bit fractional data type in 1.31 format.
typedef int16_t	q15_t
	16-bit fractional data type in 1.15 format.
typedef int8_t	q7_t
	8-bit fractional data type in 1.7 format.
typedef int16_t	q1_14_t
	16-bit fractional data type in 2.14 format.
typedef int16_t	q2_13_t
	16-bit fractional data type in 3.13 format.
typedef int16_t	q3_12_t
	16-bit fractional data type in 4.12 format.
typedef int16_t	q4_11_t
	16-bit fractional data type in 5.11 format.
typedef int16_t	q5_10_t
	16-bit fractional data type in 6.10 format.
typedef int16_t	q6_9_t
	16-bit fractional data type in 7.9 format.
typedef int32_t	q1_30_t
	32-bit fractional data type in 2.30 format.
typedef int32_t	q2_29_t
	32-bit fractional data type in 3.29 format.
typedef int32_t	q3_28_t
	32-bit fractional data type in 4.28 format.
typedef int32_t	q4_27_t
	32-bit fractional data type in 5.27 format.
typedef int32_t	q5_26_t
	32-bit fractional data type in 6.26 format.
typedef int32_t	q6_25_t
	32-bit fractional data type in 7.25 format.
typedef int32_t	q7_24_t
	32-bit fractional data type in 8.24 format.
typedef int32_t	q17_14_t
	32-bit fractional data type in 18.14 format.
typedef int64_t	q1_62_t
	64-bit fractional data type in 2.62 format.
typedef int64_t	q15_48_t
	64-bit fractional data type in 16.48 format.
typedef int64_t	q33_30_t
	64-bit fractional data type in 34.30 format.
typedef enum tpt_status_e	tpt_status
	Error status returned by some functions in the library.
typedef struct tpt_linear_interpolate_f32_s	tpt_linear_interpolate_f32_t
	Instance structure for the floating-point Linear Interpolate function.
typedef struct tpt_bilinear_interpolate_f32_s	tpt_bilinear_interpolate_f32_t
	Instance structure for the floating-point bilinear interpolation function.
typedef struct tpt_bilinear_interpolate_q7_s	tpt_bilinear_interpolate_q7_t
	Instance structure for the Q7 bilinear interpolation function.
typedef struct tpt_bilinear_interpolate_q15_s	tpt_bilinear_interpolate_q15_t
	Instance structure for the Q15 bilinear interpolation function.
typedef struct tpt_bilinear_interpolate_q31_s	tpt_bilinear_interpolate_q31_t
	Instance structure for the Q31 bilinear interpolation function.

Enumerations
enum	tpt_status_e {   TPT_MATH_SUCCESS = 0 , TPT_MATH_ARGUMENT_ERROR = -1 , TPT_MATH_LENGTH_ERROR = -2 , TPT_MATH_SIZE_MISMATCH = -3 ,   TPT_MATH_NANINF = -4 , TPT_MATH_SINGULAR = -5 , TPT_MATH_TEST_FAILURE = -6 , TPT_MATH_DECOMPOSITION_FAILURE = -7 }
	Error status returned by some functions in the library. More...

Functions
static q7_t	clip_q63_to_q7 (q63_t x)
	Clips Q63 to Q7 values.
static q15_t	clip_q63_to_q15 (q63_t x)
	Clips Q63 to Q15 values.
static q31_t	clip_q63_to_q31 (q63_t x)
	Clips Q63 to Q31 values.
static q7_t	clip_q31_to_q7 (q31_t x)
	Clips Q31 to Q7 values.
static q15_t	clip_q31_to_q15 (q31_t x)
	Clips Q31 to Q15 values.
static q7_t	clip_q15_to_q7 (q15_t x)
	Clips Q15 to Q7 values.
static uint8_t	__DSP_CLZ (uint32_t aData)
static uint8_t	__CLZ32 (uint32_t aData)
static q63_t	mult32x64 (q63_t x, q31_t y)
	Multiplies 32 X 64 and returns 32 bit result in 2.30 format.
static q31_t	mult32x32_keep32 (q31_t acc, q31_t x, q31_t y)
	Multiplies 32 X 32 and returns 32 bit result in 1.31 format.
static int32_t	__TPT_SSAT (int32_t aValue, uint32_t aBits)
static uint32_t	__QADD8 (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__QSUB8 (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__QADD16 (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__SHADD16 (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__QSUB16 (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__SHSUB16 (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__QASX (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__SHASX (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__QSAX (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__SHSAX (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__SMUSDX (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__SMUADX (uint32_t aValue1, uint32_t aValue2)
static int32_t	__QADD (int32_t aValue1, int32_t aValue2)
static int32_t	__QSUB (int32_t aValue1, int32_t aValue2)
static uint32_t	__SMLAD (uint32_t aValue1, uint32_t aValue2, uint32_t aSum)
static uint32_t	__SMLADX (uint32_t aValue1, uint32_t aValue2, uint32_t aSum)
static uint32_t	__SMLSDX (uint32_t aValue1, uint32_t aValue2, uint32_t aSum)
static uint64_t	__SMLALD (uint32_t aValue1, uint32_t aValue2, uint32_t aSum)
static uint64_t	__SMLALDX (uint32_t aValue1, uint32_t aValue2, uint64_t aSum)
static uint32_t	__SMUAD (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__SMUSD (uint32_t aValue1, uint32_t aValue2)
static uint32_t	__SXTB16 (uint32_t aValue)
static int32_t	__SMMLA (uint32_t aValue1, uint32_t aValue2, int32_t aSum)
static f32_t	tpt_linear_interpolate_f32 (tpt_linear_interpolate_f32_t *aFunction, f32_t aX)
	Process function for the floating-point Linear Interpolation Function.
static q31_t	tpt_linear_interpolate_q31 (q31_t *pYData, q31_t aX, uint32_t nValues)
	Process function for the Q31 Linear Interpolation Function.
static q15_t	tpt_linear_interpolate_q15 (q15_t *pYData, q31_t aX, uint32_t nValues)
	Process function for the Q15 Linear Interpolation Function.
static q7_t	tpt_linear_interpolate_q7 (q7_t *pYData, q31_t aX, uint32_t nValues)
	Process function for the Q7 Linear Interpolation Function.
static f32_t	tpt_bilinear_interpolate_f32 (const tpt_bilinear_interpolate_f32_t *aFunction, f32_t aX, f32_t aY)
	Floating-point bilinear interpolation.
static q31_t	tpt_bilinear_interpolate_q31 (tpt_bilinear_interpolate_q31_t *aFunction, q31_t aX, q31_t aY)
	Q31 bilinear interpolation.
static q15_t	tpt_bilinear_interpolate_q15 (tpt_bilinear_interpolate_q15_t *aFunction, q31_t aX, q31_t aY)
	Q15 bilinear interpolation.
static q7_t	tpt_bilinear_interpolate_q7 (tpt_bilinear_interpolate_q7_t *aFunction, q31_t aX, q31_t aY)
	Q7 bilinear interpolation.

Macro Definition Documentation

__CLZ

#define __CLZ   __DSP_CLZ

__FORCEINLINE

#define __FORCEINLINE   __attribute__((always_inline)) inline

__PACKq7

#define __PACKq7	(		w,
			x,
			y,
			z )

Value:

  (((int32_t)(z) & 0xFF) | (((int32_t)(y) << 8) & 0xFF00) |                    \
   (((int32_t)(x) << 16) & 0xFF0000) | (((int32_t)(w) << 24) & 0xFF000000))

__PKHBT

#define __PKHBT	(		x,
			y,
			z )

Value:

  (((int32_t)(x) & 0xFFFF) | (((int32_t)(y) << (z)) & 0xFFFF0000))

__PKHTB

#define __PKHTB	(		x,
			y,
			z )

Value:

  (((int32_t)(x) & 0xFFFF0000) | (((int32_t)(y) >> (z)) & 0xFFFF))

__SSAT

#define __SSAT   __TPT_SSAT

__STATIC_FORCEINLINE

#define __STATIC_FORCEINLINE   static inline __attribute__((always_inline))

ABS

#define ABS	(		val,
			bit )

Value:

  (((val) > 0) ? (val) : (((val) == Q##bit##_MIN) ? Q##bit##_MAX : -(val)))

CLIP

#define CLIP	(		val,
			bit )

Value:

  ((val) > UINT##bit##_MAX) ? UINT##bit##_MAX : ((val) < 0 ? 0U : (val))

CLIPS

#define CLIPS	(		val,
			bit )

Value:

  ((val) < Q##bit##_MIN)   ? Q##bit##_MIN                                      \
  : ((val) > Q##bit##_MAX) ? Q##bit##_MAX                                      \
                           : (val)

F32_ABSMAX

#define F32_ABSMAX   ((f32_t)FLT_MAX)

F32_ABSMIN

#define F32_ABSMIN   ((f32_t)0.0)

F32_MAX

#define F32_MAX   ((f32_t)FLT_MAX)

F32_MIN

#define F32_MIN   (-FLT_MAX)

F32_TO_Q15

#define F32_TO_Q15

(

val

)

Value:

(q15_t)((fminf(fmaxf(val, -1.0f), 1.0f)) * (1LL << 15))

Convert F32 to Q15 format This will use saturating arithmetic.

F32_TO_Q31

#define F32_TO_Q31

(

val

)

Value:

(q31_t)((fminf(fmaxf(val, -1.0f), 1.0f)) * (1LL << 31))

Convert F32 to Q31 format This will use saturating arithmetic.

F32_TO_Q7

#define F32_TO_Q7

(

val

)

Value:

(q7_t)((fminf(fmaxf(val, -1.0f), 1.0f)) * (1LL << 7))

Convert F32 to Q7 format This will use saturating arithmetic.

F64_ABSMAX

#define F64_ABSMAX   ((f64_t)DBL_MAX)

F64_ABSMIN

#define F64_ABSMIN   ((f64_t)0.0)

F64_MAX

#define F64_MAX   ((f64_t)DBL_MAX)

F64_MIN

#define F64_MIN   (-DBL_MAX)

F64_TO_Q15

#define F64_TO_Q15

(

val

)

Value:

(q15_t)((fmin(fmax(val, -1.0), 1.0)) * (1LL << 15))

Convert F64 to Q15 format This will use saturating arithmetic.

F64_TO_Q31

#define F64_TO_Q31

(

val

)

Value:

(q31_t)((fmin(fmax(val, -1.0), 1.0)) * (1LL << 31))

Convert F64 to Q31 format This will use saturating arithmetic.

F64_TO_Q7

#define F64_TO_Q7

(

val

)

Value:

(q7_t)((fmin(fmax(val, -1.0), 1.0)) * (1LL << 7))

Convert F64 to Q7 format This will use saturating arithmetic.

LIKELY

#define LIKELY

(

EXPR

)

Value:

(EXPR)

mult_32x32_keep32

#define mult_32x32_keep32	(		a,
			x,
			y )

Value:

a = (q31_t)(((q63_t)x * y) >> 32)

mult_32x32_keep32_R

#define mult_32x32_keep32_R	(		a,
			x,
			y )

Value:

  a = (q31_t)(((q63_t)x * y + 0x80000000LL) >> 32)

multAcc_32x32_keep32

#define multAcc_32x32_keep32	(		a,
			x,
			y )

Value:

a += (q31_t)(((q63_t)x * y) >> 32)

multAcc_32x32_keep32_R

#define multAcc_32x32_keep32_R	(		a,
			x,
			y )

Value:

  a = (q31_t)(((((q63_t)a) << 32) + ((q63_t)x * y) + 0x80000000LL) >> 32)

multSub_32x32_keep32

#define multSub_32x32_keep32	(		a,
			x,
			y )

Value:

a -= (q31_t)(((q63_t)x * y) >> 32)

multSub_32x32_keep32_R

#define multSub_32x32_keep32_R	(		a,
			x,
			y )

Value:

  a = (q31_t)(((((q63_t)a) << 32) - ((q63_t)x * y) + 0x80000000LL) >> 32)

OPT_BRANCH_PREDICTION

#define OPT_BRANCH_PREDICTION   1

OPT_HIGHLY_ACCURATE

#define OPT_HIGHLY_ACCURATE   0

Q15_ABSMAX

#define Q15_ABSMAX   ((q15_t)(0x7FFF))

Q15_ABSMIN

#define Q15_ABSMIN   ((q15_t)0)

Q15_MAX

#define Q15_MAX   ((q15_t)(0x7FFF))

Q15_MIN

#define Q15_MIN   ((q15_t)(0x8000))

Q15_TO_F32

#define Q15_TO_F32

(

val

)

Value:

((val) * 3.05175781e-05F)

Convert Q15 to F32 format.

Q15_TO_F64

#define Q15_TO_F64

(

val

)

Value:

((val) * 3.051757812500000000e-05)

Convert Q15 to F64 format.

Q31_ABSMAX

#define Q31_ABSMAX   ((q31_t)(0x7FFFFFFFL))

Q31_ABSMIN

#define Q31_ABSMIN   ((q31_t)0)

Q31_MAX

#define Q31_MAX   ((q31_t)(0x7FFFFFFFL))

Q31_MIN

#define Q31_MIN   ((q31_t)(0x80000000L))

Q31_TO_F32

#define Q31_TO_F32

(

val

)

Value:

((val) * 4.65661287e-10F)

Convert Q31 to F32 format.

Q31_TO_F64

#define Q31_TO_F64

(

val

)

Value:

((val) * 4.656612873077392578e-10)

Convert Q31 to F64 format.

Q63_MAX

#define Q63_MAX   ((q63_t)(0x7FFFFFFFFFFFFFFFLL))

Q63_MIN

#define Q63_MIN   ((q63_t)(0x8000000000000000LL))

Q7_ABSMAX

#define Q7_ABSMAX   ((q7_t)(0x7F))

Q7_ABSMIN

#define Q7_ABSMIN   ((q7_t)0)

Q7_MAX

#define Q7_MAX   ((q7_t)(0x7F))

Q7_MIN

#define Q7_MIN   ((q7_t)(0x80))

Q7_TO_F32

#define Q7_TO_F32

(

val

)

Value:

((val) * 7.81250000e-03F)

Convert Q7 to F32 format.

Q7_TO_F64

#define Q7_TO_F64

(

val

)

Value:

((val) * 7.812500000000000000e-03)

Convert Q7 to F64 format.

SCALE_COL_F32

#define SCALE_COL_F32	(		A,
			ROW,
			v,
			i,
			aRows,
			aCols )

Value:

  SCALE_COL_T(f32_t, A, ROW, v, i, aRows, aCols)

SCALE_COL_F64

#define SCALE_COL_F64	(		A,
			ROW,
			v,
			i,
			aRows,
			aCols )

Value:

  SCALE_COL_T(f64_t, A, ROW, v, i, aRows, aCols)

SCALE_COL_T

#define SCALE_COL_T	(		T,
			A,
			ROW,
			v,
			i,
			aRows,
			aCols )

Value:

  {                                                                            \
    int32_t       _w;                                                          \
    T*            data     = A;                                                \
    const int32_t _numCols = aCols;                                            \
    const int32_t nb       = aRows - ROW;                                      \
                                                                               \
    data += i + _numCols * (ROW);                                              \
                                                                               \
    for (_w = 0; _w < nb; _w++)                                                \
    {                                                                          \
      *data *= v;                                                              \
      data += _numCols;                                                        \
    }                                                                          \
  }

SQUARE

#define SQUARE

(

val

)

Value:

((val) * (val))

SWAP

#define SWAP	(		x,
			y,
			T )

Value:

  do                                                                           \
  {                                                                            \
    T tmp = x;                                                                 \
                                                                               \
    x = y;                                                                     \
    y = tmp;                                                                   \
  } while (0)

SWAP_PAIR

#define SWAP_PAIR	(		x,
			y,
			T )

Value:

  do                                                                           \
  {                                                                            \
    T* tmp_x = (T*)x;                                                          \
    T* tmp_y = (T*)y;                                                          \
    T  tmp = *tmp_x;                                                           \
                                                                               \
    *tmp_x = *tmp_y;                                                           \
    *tmp_y = tmp;                                                              \
  } while (0)

TPT_MATH_LOOPUNROLL

#define TPT_MATH_LOOPUNROLL   8

UNLIKELY

#define UNLIKELY

(

EXPR

)

Value:

(EXPR)

Typedef Documentation

f128_t

typedef long double f128_t

128-bit floating-point type definition.

f32_t

typedef float f32_t

32-bit floating-point type definition.

f64_t

typedef double f64_t

64-bit floating-point type definition.

q15_48_t

typedef int64_t q15_48_t

64-bit fractional data type in 16.48 format.

q15_t

typedef int16_t q15_t

16-bit fractional data type in 1.15 format.

q17_14_t

typedef int32_t q17_14_t

32-bit fractional data type in 18.14 format.

q1_14_t

typedef int16_t q1_14_t

16-bit fractional data type in 2.14 format.

q1_30_t

typedef int32_t q1_30_t

32-bit fractional data type in 2.30 format.

q1_62_t

typedef int64_t q1_62_t

64-bit fractional data type in 2.62 format.

q2_13_t

typedef int16_t q2_13_t

16-bit fractional data type in 3.13 format.

q2_29_t

typedef int32_t q2_29_t

32-bit fractional data type in 3.29 format.

q31_t

typedef int32_t q31_t

32-bit fractional data type in 1.31 format.

q33_30_t

typedef int64_t q33_30_t

64-bit fractional data type in 34.30 format.

q3_12_t

typedef int16_t q3_12_t

16-bit fractional data type in 4.12 format.

q3_28_t

typedef int32_t q3_28_t

32-bit fractional data type in 4.28 format.

q4_11_t

typedef int16_t q4_11_t

16-bit fractional data type in 5.11 format.

q4_27_t

typedef int32_t q4_27_t

32-bit fractional data type in 5.27 format.

q5_10_t

typedef int16_t q5_10_t

16-bit fractional data type in 6.10 format.

q5_26_t

typedef int32_t q5_26_t

32-bit fractional data type in 6.26 format.

q63_t

typedef int64_t q63_t

64-bit fractional data type in 1.63 format.

q6_25_t

typedef int32_t q6_25_t

32-bit fractional data type in 7.25 format.

q6_9_t

typedef int16_t q6_9_t

16-bit fractional data type in 7.9 format.

q7_24_t

typedef int32_t q7_24_t

32-bit fractional data type in 8.24 format.

q7_t

typedef int8_t q7_t

8-bit fractional data type in 1.7 format.

tpt_bilinear_interpolate_f32_t

typedef struct tpt_bilinear_interpolate_f32_s tpt_bilinear_interpolate_f32_t

Instance structure for the floating-point bilinear interpolation function.

tpt_bilinear_interpolate_q15_t

typedef struct tpt_bilinear_interpolate_q15_s tpt_bilinear_interpolate_q15_t

Instance structure for the Q15 bilinear interpolation function.

tpt_bilinear_interpolate_q31_t

typedef struct tpt_bilinear_interpolate_q31_s tpt_bilinear_interpolate_q31_t

Instance structure for the Q31 bilinear interpolation function.

tpt_bilinear_interpolate_q7_t

typedef struct tpt_bilinear_interpolate_q7_s tpt_bilinear_interpolate_q7_t

Instance structure for the Q7 bilinear interpolation function.

tpt_linear_interpolate_f32_t

typedef struct tpt_linear_interpolate_f32_s tpt_linear_interpolate_f32_t

Instance structure for the floating-point Linear Interpolate function.

tpt_status

typedef enum tpt_status_e tpt_status

Error status returned by some functions in the library.

Enumeration Type Documentation

tpt_status_e

enum tpt_status_e

Error status returned by some functions in the library.

Enumerator
TPT_MATH_SUCCESS	No error.
TPT_MATH_ARGUMENT_ERROR	One or more arguments are incorrect.
TPT_MATH_LENGTH_ERROR	Length of data buffer is incorrect.
TPT_MATH_SIZE_MISMATCH	Size of matrices is not compatible with the operation.
TPT_MATH_NANINF	Not-a-number (NaN) or infinity is generated.
TPT_MATH_SINGULAR	Input matrix is singular.
TPT_MATH_TEST_FAILURE	Test Failed.
TPT_MATH_DECOMPOSITION_FAILURE	Decomposition Failed.

Function Documentation

__CLZ32()

uint8_t __CLZ32 ( uint32_t aData )

inlinestatic

__DSP_CLZ()

uint8_t __DSP_CLZ ( uint32_t aData )

inlinestatic

__QADD()

int32_t __QADD ( int32_t aValue1, int32_t aValue2 )

inlinestatic

__QADD16()

uint32_t __QADD16 ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__QADD8()

uint32_t __QADD8 ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__QASX()

uint32_t __QASX ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__QSAX()

uint32_t __QSAX ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__QSUB()

int32_t __QSUB ( int32_t aValue1, int32_t aValue2 )

inlinestatic

__QSUB16()

uint32_t __QSUB16 ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__QSUB8()

uint32_t __QSUB8 ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__SHADD16()

uint32_t __SHADD16 ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__SHASX()

uint32_t __SHASX ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__SHSAX()

uint32_t __SHSAX ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__SHSUB16()

uint32_t __SHSUB16 ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__SMLAD()

uint32_t __SMLAD ( uint32_t aValue1, uint32_t aValue2, uint32_t aSum )

inlinestatic

__SMLADX()

uint32_t __SMLADX ( uint32_t aValue1, uint32_t aValue2, uint32_t aSum )

inlinestatic

__SMLALD()

uint64_t __SMLALD ( uint32_t aValue1, uint32_t aValue2, uint32_t aSum )

inlinestatic

__SMLALDX()

uint64_t __SMLALDX ( uint32_t aValue1, uint32_t aValue2, uint64_t aSum )

inlinestatic

__SMLSDX()

uint32_t __SMLSDX ( uint32_t aValue1, uint32_t aValue2, uint32_t aSum )

inlinestatic

__SMMLA()

int32_t __SMMLA ( uint32_t aValue1, uint32_t aValue2, int32_t aSum )

inlinestatic

__SMUAD()

uint32_t __SMUAD ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__SMUADX()

uint32_t __SMUADX ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__SMUSD()

uint32_t __SMUSD ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__SMUSDX()

uint32_t __SMUSDX ( uint32_t aValue1, uint32_t aValue2 )

inlinestatic

__SXTB16()

uint32_t __SXTB16 ( uint32_t aValue )

inlinestatic

__TPT_SSAT()

int32_t __TPT_SSAT ( int32_t aValue, uint32_t aBits )

inlinestatic

clip_q15_to_q7()

q7_t clip_q15_to_q7 ( q15_t x )

inlinestatic

Clips Q15 to Q7 values.

clip_q31_to_q15()

q15_t clip_q31_to_q15 ( q31_t x )

inlinestatic

Clips Q31 to Q15 values.

clip_q31_to_q7()

q7_t clip_q31_to_q7 ( q31_t x )

inlinestatic

Clips Q31 to Q7 values.

clip_q63_to_q15()

q15_t clip_q63_to_q15 ( q63_t x )

inlinestatic

Clips Q63 to Q15 values.

clip_q63_to_q31()

q31_t clip_q63_to_q31 ( q63_t x )

inlinestatic

Clips Q63 to Q31 values.

clip_q63_to_q7()

q7_t clip_q63_to_q7 ( q63_t x )

inlinestatic

Clips Q63 to Q7 values.

mult32x32_keep32()

q31_t mult32x32_keep32 ( q31_t acc, q31_t x, q31_t y )

inlinestatic

Multiplies 32 X 32 and returns 32 bit result in 1.31 format.

mult32x64()

q63_t mult32x64 ( q63_t x, q31_t y )

inlinestatic

Multiplies 32 X 64 and returns 32 bit result in 2.30 format.