#include <gr_complex.h>

Include dependency graph for gr_math.h:

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

Functions
static bool	gr_is_power_of_2 (long x)
long	gr_gcd (long m, long n)
int	gr_isnan (double value)
int	gr_signbit (double x)
float	gr_fast_atan2f (float y, float x)
	Fast arc tangent using table lookup and linear interpolation.
static float	gr_fast_atan2f (gr_complex z)
static float	gr_branchless_clip (float x, float clip)
static float	gr_clip (float x, float clip)
static unsigned int	gr_binary_slicer (float x)
static unsigned int	gr_quad_45deg_slicer (float r, float i)
static unsigned int	gr_quad_0deg_slicer (float r, float i)
static unsigned int	gr_quad_45deg_slicer (gr_complex x)
static unsigned int	gr_quad_0deg_slicer (gr_complex x)
static unsigned int	gr_branchless_binary_slicer (float x)
static unsigned int	gr_branchless_quad_0deg_slicer (float r, float i)
static unsigned int	gr_branchless_quad_0deg_slicer (gr_complex x)
static unsigned int	gr_branchless_quad_45deg_slicer (float r, float i)
static unsigned int	gr_branchless_quad_45deg_slicer (gr_complex x)
static size_t	gr_p2_round_down (size_t x, size_t pow2)
static size_t	gr_p2_round_up (size_t x, size_t pow2)
static size_t	gr_p2_modulo (size_t x, size_t pow2)
static size_t	gr_p2_modulo_neg (size_t x, size_t pow2)

Function Documentation

static unsigned int gr_binary_slicer ( float x ) [inline, static]

static unsigned int gr_branchless_binary_slicer ( float x ) [inline, static]

static float gr_branchless_clip	(	float	x,
		float	clip
	)		`[inline, static]`

static unsigned int gr_branchless_quad_0deg_slicer ( gr_complex x ) [inline, static]

References gr_branchless_quad_0deg_slicer().

static unsigned int gr_branchless_quad_0deg_slicer	(	float	r,
		float	i
	)		`[inline, static]`

Referenced by gr_branchless_quad_0deg_slicer().

static unsigned int gr_branchless_quad_45deg_slicer	(	float	r,
		float	i
	)		`[inline, static]`

Referenced by gr_branchless_quad_45deg_slicer().

static unsigned int gr_branchless_quad_45deg_slicer ( gr_complex x ) [inline, static]

References gr_branchless_quad_45deg_slicer().

static float gr_clip	(	float	x,
		float	clip
	)		`[inline, static]`

static float gr_fast_atan2f ( gr_complex z ) [inline, static]

References gr_fast_atan2f().

long gr_gcd	(	long	m,
		long	n
	)

static bool gr_is_power_of_2 ( long x ) [inline, static]

int gr_isnan ( double value )

static size_t gr_p2_modulo	(	size_t	x,
		size_t	pow2
	)		`[inline, static]`

Parameters:

x	any value
pow2	must be a power of 2

Returns:: x modulo pow2.

Referenced by gr_p2_modulo_neg().

static size_t gr_p2_modulo_neg	(	size_t	x,
		size_t	pow2
	)		`[inline, static]`

Parameters:

x	any value
pow2	must be a power of 2

Returns:: pow2 - (x modulo pow2).

References gr_p2_modulo().

static size_t gr_p2_round_down	(	size_t	x,
		size_t	pow2
	)		`[inline, static]`

Parameters:

x	any value
pow2	must be a power of 2

Returns:: x rounded down to a multiple of pow2.

Referenced by gr_p2_round_up().

static size_t gr_p2_round_up	(	size_t	x,
		size_t	pow2
	)		`[inline, static]`

Parameters:

x	any value
pow2	must be a power of 2

Returns:: x rounded up to a multiple of pow2.

References gr_p2_round_down().

static unsigned int gr_quad_0deg_slicer ( gr_complex x ) [inline, static]

References gr_quad_0deg_slicer().

static unsigned int gr_quad_0deg_slicer	(	float	r,
		float	i
	)		`[inline, static]`

Referenced by gr_quad_0deg_slicer().

static unsigned int gr_quad_45deg_slicer	(	float	r,
		float	i
	)		`[inline, static]`

Referenced by gr_quad_45deg_slicer().

static unsigned int gr_quad_45deg_slicer ( gr_complex x ) [inline, static]

References gr_quad_45deg_slicer().

int gr_signbit ( double x )

Functions

Function Documentation