ladspa-util.h File Reference

#include <math.h>
#include <stdint.h>
#include "config.h"

Go to the source code of this file.

Classes
union	fixp16
union	fixp32
union	ls_pcast32

Macros
#define	_USE_MATH_DEFINES
#define	LN2R   1.442695041f
#define	DN_CHECK(x, l)
#define	LIMIT(v, l, u)
#define	MOD(v, m)
#define	NEG_MOD(v, m)
#define	DB_CO(g)
#define	CO_DB(v)
#define	LIN_INTERP(f, a, b)
#define	f_abs(j)
#define	f_exp(x)

Functions
long int	lrintf (float x)
static float	flush_to_zero (float f)
static void	round_to_zero (volatile float *f)
static float	f_max (float x, float a)
static float	f_min (float x, float b)
static float	f_clamp (float x, float a, float b)
static float	cube_interp (const float fr, const float inm1, const float in, const float inp1, const float inp2)
static float	f_sin_sq (float angle)
static int	f_round (float f)
static int	f_trunc (float f)
static float	f_pow2 (float x)

Macro Definition Documentation

_USE_MATH_DEFINES

#define _USE_MATH_DEFINES

CO_DB

#define CO_DB

(

v

)

Value:

(20.0f * log10f(v))

DB_CO

#define DB_CO

(

g

)

Value:

((g) > -90.0f ? powf(10.0f, (g) * 0.05f) : 0.0f)

DN_CHECK

#define DN_CHECK	(		x,
			l )

Value:

if (fabs(x) < 1e-38) printf("DN: "l"\n")

f_abs

#define f_abs

(

j

)

Value:

abs(j)

f_exp

#define f_exp

(

x

)

Value:

f_pow2(x * LN2R)

LIMIT

#define LIMIT	(		v,
			l,
			u )

Value:

((v)<(l)?(l):((v)>(u)?(u):(v)))

LIN_INTERP

#define LIN_INTERP	(		f,
			a,
			b )

Value:

((a) + (f) * ((b) - (a)))

LN2R

#define LN2R   1.442695041f

MOD

#define MOD	(		v,
			m )

Value:

(v<0?v+m:(v>=m?v-m:v))

NEG_MOD

#define NEG_MOD	(		v,
			m )

Value:

((v)<0?((v)+(m)):(v))

Function Documentation

cube_interp()

float cube_interp ( const float fr, const float inm1, const float in, const float inp1, const float inp2 )

inlinestatic

f_clamp()

float f_clamp ( float x, float a, float b )

inlinestatic

f_max()

float f_max ( float x, float a )

inlinestatic

f_min()

float f_min ( float x, float b )

inlinestatic

f_pow2()

float f_pow2 ( float x )

inlinestatic

f_round()

int f_round ( float f )

inlinestatic

f_sin_sq()

float f_sin_sq ( float angle )

inlinestatic

f_trunc()

int f_trunc ( float f )

inlinestatic

flush_to_zero()

float flush_to_zero ( float f )

inlinestatic

lrintf()

long int lrintf

(

float

x

)

round_to_zero()

void round_to_zero ( volatile float * f )

inlinestatic