Detailed Description

Functions to compute square root, inverse square root and the magnitude of two IQN inputs.

#include <stdint.h>
#include "../support/support.h"
#include "_IQNtables.h"
#include "../include/IQmathLib.h"

Include dependency graph for _IQNsqrt.c:

Macros
#define	TYPE_ISQRT (0)
	Specifies inverse square root operation type.

#define	TYPE_SQRT (1)
	Specifies square root operation type.

#define	TYPE_MAG (2)
	Specifies magnitude operation type.

#define	TYPE_IMAG (3)
	Specifies inverse magnitude operation type.

Functions
__STATIC_INLINE int_fast32_t	__IQNsqrt (int_fast32_t iqNInputX, int_fast32_t iqNInputY, const int8_t q_value, const int8_t type)
	Calculate square root, inverse square root and the magnitude of two inputs. More...

int32_t	_IQ31sqrt (int32_t a)
	Calculate square root of an IQ31 input. More...

int32_t	_IQ30sqrt (int32_t a)
	Calculate square root of an IQ30 input. More...

int32_t	_IQ29sqrt (int32_t a)
	Calculate square root of an IQ29 input. More...

int32_t	_IQ28sqrt (int32_t a)
	Calculate square root of an IQ28 input. More...

int32_t	_IQ27sqrt (int32_t a)
	Calculate square root of an IQ27 input. More...

int32_t	_IQ26sqrt (int32_t a)
	Calculate square root of an IQ26 input. More...

int32_t	_IQ25sqrt (int32_t a)
	Calculate square root of an IQ25 input. More...

int32_t	_IQ24sqrt (int32_t a)
	Calculate square root of an IQ24 input. More...

int32_t	_IQ23sqrt (int32_t a)
	Calculate square root of an IQ23 input. More...

int32_t	_IQ22sqrt (int32_t a)
	Calculate square root of an IQ22 input. More...

int32_t	_IQ21sqrt (int32_t a)
	Calculate square root of an IQ21 input. More...

int32_t	_IQ20sqrt (int32_t a)
	Calculate square root of an IQ20 input. More...

int32_t	_IQ19sqrt (int32_t a)
	Calculate square root of an IQ19 input. More...

int32_t	_IQ18sqrt (int32_t a)
	Calculate square root of an IQ18 input. More...

int32_t	_IQ17sqrt (int32_t a)
	Calculate square root of an IQ17 input. More...

int32_t	_IQ16sqrt (int32_t a)
	Calculate square root of an IQ16 input. More...

int32_t	_IQ15sqrt (int32_t a)
	Calculate square root of an IQ15 input. More...

int32_t	_IQ14sqrt (int32_t a)
	Calculate square root of an IQ14 input. More...

int32_t	_IQ13sqrt (int32_t a)
	Calculate square root of an IQ13 input. More...

int32_t	_IQ12sqrt (int32_t a)
	Calculate square root of an IQ12 input. More...

int32_t	_IQ11sqrt (int32_t a)
	Calculate square root of an IQ11 input. More...

int32_t	_IQ10sqrt (int32_t a)
	Calculate square root of an IQ10 input. More...

int32_t	_IQ9sqrt (int32_t a)
	Calculate square root of an IQ9 input. More...

int32_t	_IQ8sqrt (int32_t a)
	Calculate square root of an IQ8 input. More...

int32_t	_IQ7sqrt (int32_t a)
	Calculate square root of an IQ7 input. More...

int32_t	_IQ6sqrt (int32_t a)
	Calculate square root of an IQ6 input. More...

int32_t	_IQ5sqrt (int32_t a)
	Calculate square root of an IQ5 input. More...

int32_t	_IQ4sqrt (int32_t a)
	Calculate square root of an IQ4 input. More...

int32_t	_IQ3sqrt (int32_t a)
	Calculate square root of an IQ3 input. More...

int32_t	_IQ2sqrt (int32_t a)
	Calculate square root of an IQ2 input. More...

int32_t	_IQ1sqrt (int32_t a)
	Calculate square root of an IQ1 input. More...

int32_t	_IQ0sqrt (int32_t a)
	Calculate square root of an IQ0 input. More...

int32_t	_IQ30isqrt (int32_t a)
	Calculate inverse square root of an IQ30 input. More...

int32_t	_IQ29isqrt (int32_t a)
	Calculate inverse square root of an IQ29 input. More...

int32_t	_IQ28isqrt (int32_t a)
	Calculate inverse square root of an IQ28 input. More...

int32_t	_IQ27isqrt (int32_t a)
	Calculate inverse square root of an IQ27 input. More...

int32_t	_IQ26isqrt (int32_t a)
	Calculate inverse square root of an IQ26 input. More...

int32_t	_IQ25isqrt (int32_t a)
	Calculate inverse square root of an IQ25 input. More...

int32_t	_IQ24isqrt (int32_t a)
	Calculate inverse square root of an IQ24 input. More...

int32_t	_IQ23isqrt (int32_t a)
	Calculate inverse square root of an IQ23 input. More...

int32_t	_IQ22isqrt (int32_t a)
	Calculate inverse square root of an IQ22 input. More...

int32_t	_IQ21isqrt (int32_t a)
	Calculate inverse square root of an IQ21 input. More...

int32_t	_IQ20isqrt (int32_t a)
	Calculate inverse square root of an IQ20 input. More...

int32_t	_IQ19isqrt (int32_t a)
	Calculate inverse square root of an IQ19 input. More...

int32_t	_IQ18isqrt (int32_t a)
	Calculate inverse square root of an IQ18 input. More...

int32_t	_IQ17isqrt (int32_t a)
	Calculate inverse square root of an IQ17 input. More...

int32_t	_IQ16isqrt (int32_t a)
	Calculate inverse square root of an IQ16 input. More...

int32_t	_IQ15isqrt (int32_t a)
	Calculate inverse square root of an IQ15 input. More...

int32_t	_IQ14isqrt (int32_t a)
	Calculate inverse square root of an IQ14 input. More...

int32_t	_IQ13isqrt (int32_t a)
	Calculate inverse square root of an IQ13 input. More...

int32_t	_IQ12isqrt (int32_t a)
	Calculate inverse square root of an IQ12 input. More...

int32_t	_IQ11isqrt (int32_t a)
	Calculate inverse square root of an IQ11 input. More...

int32_t	_IQ10isqrt (int32_t a)
	Calculate inverse square root of an IQ10 input. More...

int32_t	_IQ9isqrt (int32_t a)
	Calculate inverse square root of an IQ9 input. More...

int32_t	_IQ8isqrt (int32_t a)
	Calculate inverse square root of an IQ8 input. More...

int32_t	_IQ7isqrt (int32_t a)
	Calculate inverse square root of an IQ7 input. More...

int32_t	_IQ6isqrt (int32_t a)
	Calculate inverse square root of an IQ6 input. More...

int32_t	_IQ5isqrt (int32_t a)
	Calculate inverse square root of an IQ5 input. More...

int32_t	_IQ4isqrt (int32_t a)
	Calculate inverse square root of an IQ4 input. More...

int32_t	_IQ3isqrt (int32_t a)
	Calculate inverse square root of an IQ3 input. More...

int32_t	_IQ2isqrt (int32_t a)
	Calculate inverse square root of an IQ2 input. More...

int32_t	_IQ1isqrt (int32_t a)
	Calculate inverse square root of an IQ1 input. More...

int32_t	_IQmag (int32_t a, int32_t b)
	Calculate the magnitude of two IQ31 inputs. More...

int32_t	_IQ30imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ29imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ28imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ27imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ26imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ25imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ24imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ23imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ22imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ21imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ20imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ19imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ18imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ17imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ16imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ15imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ14imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ13imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ12imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ11imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ10imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ9imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ8imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ7imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ6imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ5imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ4imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ3imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ2imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

int32_t	_IQ1imag (int32_t a, int32_t b)
	Calculate inverse magnitude of two inputs. More...

Function Documentation

§ __IQNsqrt()

__STATIC_INLINE int_fast32_t __IQNsqrt	(	int_fast32_t	iqNInputX,
		int_fast32_t	iqNInputY,
		const int8_t	q_value,
		const int8_t	type
	)

Calculate square root, inverse square root and the magnitude of two inputs.

Parameters

iqNInputX	IQN type input x.
iqNInputY	IQN type input y.
type	Operation type.
q_value	IQ format.

Returns: IQN type result of the square root or magnitude operation.

References TYPE_IMAG, TYPE_MAG, and TYPE_SQRT.

Referenced by _IQ0sqrt(), _IQ10imag(), _IQ10isqrt(), _IQ10sqrt(), _IQ11imag(), _IQ11isqrt(), _IQ11sqrt(), _IQ12imag(), _IQ12isqrt(), _IQ12sqrt(), _IQ13imag(), _IQ13isqrt(), _IQ13sqrt(), _IQ14imag(), _IQ14isqrt(), _IQ14sqrt(), _IQ15imag(), _IQ15isqrt(), _IQ15sqrt(), _IQ16imag(), _IQ16isqrt(), _IQ16sqrt(), _IQ17imag(), _IQ17isqrt(), _IQ17sqrt(), _IQ18imag(), _IQ18isqrt(), _IQ18sqrt(), _IQ19imag(), _IQ19isqrt(), _IQ19sqrt(), _IQ1imag(), _IQ1isqrt(), _IQ1sqrt(), _IQ20imag(), _IQ20isqrt(), _IQ20sqrt(), _IQ21imag(), _IQ21isqrt(), _IQ21sqrt(), _IQ22imag(), _IQ22isqrt(), _IQ22sqrt(), _IQ23imag(), _IQ23isqrt(), _IQ23sqrt(), _IQ24imag(), _IQ24isqrt(), _IQ24sqrt(), _IQ25imag(), _IQ25isqrt(), _IQ25sqrt(), _IQ26imag(), _IQ26isqrt(), _IQ26sqrt(), _IQ27imag(), _IQ27isqrt(), _IQ27sqrt(), _IQ28imag(), _IQ28isqrt(), _IQ28sqrt(), _IQ29imag(), _IQ29isqrt(), _IQ29sqrt(), _IQ2imag(), _IQ2isqrt(), _IQ2sqrt(), _IQ30imag(), _IQ30isqrt(), _IQ30sqrt(), _IQ31sqrt(), _IQ3imag(), _IQ3isqrt(), _IQ3sqrt(), _IQ4imag(), _IQ4isqrt(), _IQ4sqrt(), _IQ5imag(), _IQ5isqrt(), _IQ5sqrt(), _IQ6imag(), _IQ6isqrt(), _IQ6sqrt(), _IQ7imag(), _IQ7isqrt(), _IQ7sqrt(), _IQ8imag(), _IQ8isqrt(), _IQ8sqrt(), _IQ9imag(), _IQ9isqrt(), _IQ9sqrt(), and _IQmag().

§ _IQ31sqrt()

int32_t _IQ31sqrt ( int32_t a )

Calculate square root of an IQ31 input.

Parameters

a	IQ31 type input.

Returns: IQ31 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by __IQNasin(), and _IQ0sqrt().

§ _IQ30sqrt()

int32_t _IQ30sqrt ( int32_t a )

Calculate square root of an IQ30 input.

Parameters

a	IQ30 type input.

Returns: IQ30 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ29sqrt()

int32_t _IQ29sqrt ( int32_t a )

Calculate square root of an IQ29 input.

Parameters

a	IQ29 type input.

Returns: IQ29 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ28sqrt()

int32_t _IQ28sqrt ( int32_t a )

Calculate square root of an IQ28 input.

Parameters

a	IQ28 type input.

Returns: IQ28 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ27sqrt()

int32_t _IQ27sqrt ( int32_t a )

Calculate square root of an IQ27 input.

Parameters

a	IQ27 type input.

Returns: IQ27 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ26sqrt()

int32_t _IQ26sqrt ( int32_t a )

Calculate square root of an IQ26 input.

Parameters

a	IQ26 type input.

Returns: IQ26 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ25sqrt()

int32_t _IQ25sqrt ( int32_t a )

Calculate square root of an IQ25 input.

Parameters

a	IQ25 type input.

Returns: IQ25 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ24sqrt()

int32_t _IQ24sqrt ( int32_t a )

Calculate square root of an IQ24 input.

Parameters

a	IQ24 type input.

Returns: IQ24 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ23sqrt()

int32_t _IQ23sqrt ( int32_t a )

Calculate square root of an IQ23 input.

Parameters

a	IQ23 type input.

Returns: IQ23 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ22sqrt()

int32_t _IQ22sqrt ( int32_t a )

Calculate square root of an IQ22 input.

Parameters

a	IQ22 type input.

Returns: IQ22 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ21sqrt()

int32_t _IQ21sqrt ( int32_t a )

Calculate square root of an IQ21 input.

Parameters

a	IQ21 type input.

Returns: IQ21 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ20sqrt()

int32_t _IQ20sqrt ( int32_t a )

Calculate square root of an IQ20 input.

Parameters

a	IQ20 type input.

Returns: IQ20 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ19sqrt()

int32_t _IQ19sqrt ( int32_t a )

Calculate square root of an IQ19 input.

Parameters

a	IQ19 type input.

Returns: IQ19 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ18sqrt()

int32_t _IQ18sqrt ( int32_t a )

Calculate square root of an IQ18 input.

Parameters

a	IQ18 type input.

Returns: IQ18 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ17sqrt()

int32_t _IQ17sqrt ( int32_t a )

Calculate square root of an IQ17 input.

Parameters

a	IQ17 type input.

Returns: IQ17 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ16sqrt()

int32_t _IQ16sqrt ( int32_t a )

Calculate square root of an IQ16 input.

Parameters

a	IQ16 type input.

Returns: IQ16 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ15sqrt()

int32_t _IQ15sqrt ( int32_t a )

Calculate square root of an IQ15 input.

Parameters

a	IQ15 type input.

Returns: IQ15 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ14sqrt()

int32_t _IQ14sqrt ( int32_t a )

Calculate square root of an IQ14 input.

Parameters

a	IQ14 type input.

Returns: IQ14 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ13sqrt()

int32_t _IQ13sqrt ( int32_t a )

Calculate square root of an IQ13 input.

Parameters

a	IQ13 type input.

Returns: IQ13 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ12sqrt()

int32_t _IQ12sqrt ( int32_t a )

Calculate square root of an IQ12 input.

Parameters

a	IQ12 type input.

Returns: IQ12 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ11sqrt()

int32_t _IQ11sqrt ( int32_t a )

Calculate square root of an IQ11 input.

Parameters

a	IQ11 type input.

Returns: IQ11 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ10sqrt()

int32_t _IQ10sqrt ( int32_t a )

Calculate square root of an IQ10 input.

Parameters

a	IQ10 type input.

Returns: IQ10 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ9sqrt()

int32_t _IQ9sqrt ( int32_t a )

Calculate square root of an IQ9 input.

Parameters

a	IQ9 type input.

Returns: IQ9 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ8sqrt()

int32_t _IQ8sqrt ( int32_t a )

Calculate square root of an IQ8 input.

Parameters

a	IQ8 type input.

Returns: IQ8 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ7sqrt()

int32_t _IQ7sqrt ( int32_t a )

Calculate square root of an IQ7 input.

Parameters

a	IQ7 type input.

Returns: IQ7 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ6sqrt()

int32_t _IQ6sqrt ( int32_t a )

Calculate square root of an IQ6 input.

Parameters

a	IQ6 type input.

Returns: IQ6 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ5sqrt()

int32_t _IQ5sqrt ( int32_t a )

Calculate square root of an IQ5 input.

Parameters

a	IQ5 type input.

Returns: IQ5 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ4sqrt()

int32_t _IQ4sqrt ( int32_t a )

Calculate square root of an IQ4 input.

Parameters

a	IQ4 type input.

Returns: IQ4 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ3sqrt()

int32_t _IQ3sqrt ( int32_t a )

Calculate square root of an IQ3 input.

Parameters

a	IQ3 type input.

Returns: IQ3 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ2sqrt()

int32_t _IQ2sqrt ( int32_t a )

Calculate square root of an IQ2 input.

Parameters

a	IQ2 type input.

Returns: IQ2 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ1sqrt()

int32_t _IQ1sqrt ( int32_t a )

Calculate square root of an IQ1 input.

Parameters

a	IQ1 type input.

Returns: IQ1 type result of the square root operation.

References __IQNsqrt(), and TYPE_SQRT.

Referenced by _IQ0sqrt().

§ _IQ0sqrt()

int32_t _IQ0sqrt ( int32_t a )

Calculate square root of an IQ0 input.

Parameters

a	IQ0 type input.

Returns: IQ0 type result of the square root operation.

References __IQNsqrt(), _IQ10sqrt(), _IQ11sqrt(), _IQ12sqrt(), _IQ13sqrt(), _IQ14sqrt(), _IQ15sqrt(), _IQ16sqrt(), _IQ17sqrt(), _IQ18sqrt(), _IQ19sqrt(), _IQ1sqrt(), _IQ20sqrt(), _IQ21sqrt(), _IQ22sqrt(), _IQ23sqrt(), _IQ24sqrt(), _IQ25sqrt(), _IQ26sqrt(), _IQ27sqrt(), _IQ28sqrt(), _IQ29sqrt(), _IQ2sqrt(), _IQ30sqrt(), _IQ31sqrt(), _IQ3sqrt(), _IQ4sqrt(), _IQ5sqrt(), _IQ6sqrt(), _IQ7sqrt(), _IQ8sqrt(), _IQ9sqrt(), and TYPE_SQRT.

§ _IQ30isqrt()

int32_t _IQ30isqrt ( int32_t a )

Calculate inverse square root of an IQ30 input.

Parameters

a	IQ30 type input.

Returns: IQ30 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ29isqrt()

int32_t _IQ29isqrt ( int32_t a )

Calculate inverse square root of an IQ29 input.

Parameters

a	IQ29 type input.

Returns: IQ29 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ28isqrt()

int32_t _IQ28isqrt ( int32_t a )

Calculate inverse square root of an IQ28 input.

Parameters

a	IQ28 type input.

Returns: IQ28 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ27isqrt()

int32_t _IQ27isqrt ( int32_t a )

Calculate inverse square root of an IQ27 input.

Parameters

a	IQ27 type input.

Returns: IQ27 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ26isqrt()

int32_t _IQ26isqrt ( int32_t a )

Calculate inverse square root of an IQ26 input.

Parameters

a	IQ26 type input.

Returns: IQ26 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ25isqrt()

int32_t _IQ25isqrt ( int32_t a )

Calculate inverse square root of an IQ25 input.

Parameters

a	IQ25 type input.

Returns: IQ25 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ24isqrt()

int32_t _IQ24isqrt ( int32_t a )

Calculate inverse square root of an IQ24 input.

Parameters

a	IQ24 type input.

Returns: IQ24 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ23isqrt()

int32_t _IQ23isqrt ( int32_t a )

Calculate inverse square root of an IQ23 input.

Parameters

a	IQ23 type input.

Returns: IQ23 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ22isqrt()

int32_t _IQ22isqrt ( int32_t a )

Calculate inverse square root of an IQ22 input.

Parameters

a	IQ22 type input.

Returns: IQ22 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ21isqrt()

int32_t _IQ21isqrt ( int32_t a )

Calculate inverse square root of an IQ21 input.

Parameters

a	IQ21 type input.

Returns: IQ21 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ20isqrt()

int32_t _IQ20isqrt ( int32_t a )

Calculate inverse square root of an IQ20 input.

Parameters

a	IQ20 type input.

Returns: IQ20 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ19isqrt()

int32_t _IQ19isqrt ( int32_t a )

Calculate inverse square root of an IQ19 input.

Parameters

a	IQ19 type input.

Returns: IQ19 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ18isqrt()

int32_t _IQ18isqrt ( int32_t a )

Calculate inverse square root of an IQ18 input.

Parameters

a	IQ18 type input.

Returns: IQ18 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ17isqrt()

int32_t _IQ17isqrt ( int32_t a )

Calculate inverse square root of an IQ17 input.

Parameters

a	IQ17 type input.

Returns: IQ17 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ16isqrt()

int32_t _IQ16isqrt ( int32_t a )

Calculate inverse square root of an IQ16 input.

Parameters

a	IQ16 type input.

Returns: IQ16 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ15isqrt()

int32_t _IQ15isqrt ( int32_t a )

Calculate inverse square root of an IQ15 input.

Parameters

a	IQ15 type input.

Returns: IQ15 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ14isqrt()

int32_t _IQ14isqrt ( int32_t a )

Calculate inverse square root of an IQ14 input.

Parameters

a	IQ14 type input.

Returns: IQ14 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ13isqrt()

int32_t _IQ13isqrt ( int32_t a )

Calculate inverse square root of an IQ13 input.

Parameters

a	IQ13 type input.

Returns: IQ13 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ12isqrt()

int32_t _IQ12isqrt ( int32_t a )

Calculate inverse square root of an IQ12 input.

Parameters

a	IQ12 type input.

Returns: IQ12 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ11isqrt()

int32_t _IQ11isqrt ( int32_t a )

Calculate inverse square root of an IQ11 input.

Parameters

a	IQ11 type input.

Returns: IQ11 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ10isqrt()

int32_t _IQ10isqrt ( int32_t a )

Calculate inverse square root of an IQ10 input.

Parameters

a	IQ10 type input.

Returns: IQ10 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ9isqrt()

int32_t _IQ9isqrt ( int32_t a )

Calculate inverse square root of an IQ9 input.

Parameters

a	IQ9 type input.

Returns: IQ9 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ8isqrt()

int32_t _IQ8isqrt ( int32_t a )

Calculate inverse square root of an IQ8 input.

Parameters

a	IQ8 type input.

Returns: IQ8 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ7isqrt()

int32_t _IQ7isqrt ( int32_t a )

Calculate inverse square root of an IQ7 input.

Parameters

a	IQ7 type input.

Returns: IQ7 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ6isqrt()

int32_t _IQ6isqrt ( int32_t a )

Calculate inverse square root of an IQ6 input.

Parameters

a	IQ6 type input.

Returns: IQ6 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ5isqrt()

int32_t _IQ5isqrt ( int32_t a )

Calculate inverse square root of an IQ5 input.

Parameters

a	IQ5 type input.

Returns: IQ5 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ4isqrt()

int32_t _IQ4isqrt ( int32_t a )

Calculate inverse square root of an IQ4 input.

Parameters

a	IQ4 type input.

Returns: IQ4 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ3isqrt()

int32_t _IQ3isqrt ( int32_t a )

Calculate inverse square root of an IQ3 input.

Parameters

a	IQ3 type input.

Returns: IQ3 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ2isqrt()

int32_t _IQ2isqrt ( int32_t a )

Calculate inverse square root of an IQ2 input.

Parameters

a	IQ2 type input.

Returns: IQ2 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQ1isqrt()

int32_t _IQ1isqrt ( int32_t a )

Calculate inverse square root of an IQ1 input.

Parameters

a	IQ1 type input.

Returns: IQ1 type result of the inverse square root operation.

References __IQNsqrt(), and TYPE_ISQRT.

§ _IQmag()

int32_t _IQmag	(	int32_t	a,
		int32_t	b
	)

Calculate the magnitude of two IQ31 inputs.

Parameters

a	IQ31 type input.
b	IQ31 type input.

Returns: IQ31 type result of the magnitude operation.

References __IQNsqrt(), and TYPE_MAG.

§ _IQ30imag()

int32_t _IQ30imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ30 type input.
b	IQ30 type input.

Returns: IQ30 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ29imag()

int32_t _IQ29imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ29 type input.
b	IQ29 type input.

Returns: IQ29 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ28imag()

int32_t _IQ28imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ28 type input.
b	IQ28 type input.

Returns: IQ28 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ27imag()

int32_t _IQ27imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ27 type input.
b	IQ27 type input.

Returns: IQ27 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ26imag()

int32_t _IQ26imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ26 type input.
b	IQ26 type input.

Returns: IQ26 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ25imag()

int32_t _IQ25imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ25 type input.
b	IQ25 type input.

Returns: IQ25 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ24imag()

int32_t _IQ24imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ24 type input.
b	IQ24 type input.

Returns: IQ24 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ23imag()

int32_t _IQ23imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ23 type input.
b	IQ23 type input.

Returns: IQ23 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ22imag()

int32_t _IQ22imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ22 type input.
b	IQ22 type input.

Returns: IQ22 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ21imag()

int32_t _IQ21imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ21 type input.
b	IQ21 type input.

Returns: IQ21 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ20imag()

int32_t _IQ20imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ20 type input.
b	IQ20 type input.

Returns: IQ20 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ19imag()

int32_t _IQ19imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ19 type input.
b	IQ19 type input.

Returns: IQ19 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ18imag()

int32_t _IQ18imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ18 type input.
b	IQ18 type input.

Returns: IQ18 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ17imag()

int32_t _IQ17imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ17 type input.
b	IQ17 type input.

Returns: IQ17 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ16imag()

int32_t _IQ16imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ16 type input.
b	IQ16 type input.

Returns: IQ16 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ15imag()

int32_t _IQ15imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ15 type input.
b	IQ15 type input.

Returns: IQ15 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ14imag()

int32_t _IQ14imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ14 type input.
b	IQ14 type input.

Returns: IQ14 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ13imag()

int32_t _IQ13imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ13 type input.
b	IQ13 type input.

Returns: IQ13 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ12imag()

int32_t _IQ12imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ12 type input.
b	IQ12 type input.

Returns: IQ12 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ11imag()

int32_t _IQ11imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ11 type input.
b	IQ11 type input.

Returns: IQ11 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ10imag()

int32_t _IQ10imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ10 type input.
b	IQ10 type input.

Returns: IQ10 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ9imag()

int32_t _IQ9imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ9 type input.
b	IQ9 type input.

Returns: IQ9 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ8imag()

int32_t _IQ8imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ8 type input.
b	IQ8 type input.

Returns: IQ8 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ7imag()

int32_t _IQ7imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ7 type input.
b	IQ7 type input.

Returns: IQ7 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ6imag()

int32_t _IQ6imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ6 type input.
b	IQ6 type input.

Returns: IQ6 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ5imag()

int32_t _IQ5imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ5 type input.
b	IQ5 type input.

Returns: IQ5 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ4imag()

int32_t _IQ4imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ4 type input.
b	IQ4 type input.

Returns: IQ4 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ3imag()

int32_t _IQ3imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ3 type input.
b	IQ3 type input.

Returns: IQ3 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ2imag()

int32_t _IQ2imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ2 type input.
b	IQ2 type input.

Returns: IQ2 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

§ _IQ1imag()

int32_t _IQ1imag	(	int32_t	a,
		int32_t	b
	)

Calculate inverse magnitude of two inputs.

Parameters

a	IQ1 type input.
b	IQ1 type input.

Returns: IQ1 type result of the inverse magnitude operation.

References __IQNsqrt(), and TYPE_IMAG.

Detailed Description

Macros

Functions

Function Documentation

§ __IQNsqrt()

§ _IQ31sqrt()

§ _IQ30sqrt()

§ _IQ29sqrt()

§ _IQ28sqrt()

§ _IQ27sqrt()

§ _IQ26sqrt()

§ _IQ25sqrt()

§ _IQ24sqrt()

§ _IQ23sqrt()

§ _IQ22sqrt()

§ _IQ21sqrt()

§ _IQ20sqrt()

§ _IQ19sqrt()

§ _IQ18sqrt()

§ _IQ17sqrt()

§ _IQ16sqrt()

§ _IQ15sqrt()

§ _IQ14sqrt()

§ _IQ13sqrt()

§ _IQ12sqrt()

§ _IQ11sqrt()

§ _IQ10sqrt()

§ _IQ9sqrt()

§ _IQ8sqrt()

§ _IQ7sqrt()

§ _IQ6sqrt()

§ _IQ5sqrt()

§ _IQ4sqrt()

§ _IQ3sqrt()

§ _IQ2sqrt()

§ _IQ1sqrt()

§ _IQ0sqrt()

§ _IQ30isqrt()

§ _IQ29isqrt()

§ _IQ28isqrt()

§ _IQ27isqrt()

§ _IQ26isqrt()

§ _IQ25isqrt()

§ _IQ24isqrt()

§ _IQ23isqrt()

§ _IQ22isqrt()

§ _IQ21isqrt()

§ _IQ20isqrt()

§ _IQ19isqrt()

§ _IQ18isqrt()

§ _IQ17isqrt()

§ _IQ16isqrt()

§ _IQ15isqrt()

§ _IQ14isqrt()

§ _IQ13isqrt()

§ _IQ12isqrt()

§ _IQ11isqrt()

§ _IQ10isqrt()

§ _IQ9isqrt()

§ _IQ8isqrt()

§ _IQ7isqrt()

§ _IQ6isqrt()

§ _IQ5isqrt()

§ _IQ4isqrt()

§ _IQ3isqrt()

§ _IQ2isqrt()

§ _IQ1isqrt()

§ _IQmag()

§ _IQ30imag()

§ _IQ29imag()

§ _IQ28imag()

§ _IQ27imag()

§ _IQ26imag()

§ _IQ25imag()

§ _IQ24imag()

§ _IQ23imag()

§ _IQ22imag()

§ _IQ21imag()

§ _IQ20imag()

§ _IQ19imag()