control_math.h File Reference

#include <assert.h>
#include <math.h>
#include <stdint.h>

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Macros
#define	TINY_NUMBER   (0.0000001) /* (-140dB) */

Functions
static double	gain_to_position (double g)
static double	position_to_gain (double pos)
static double	position_to_logscale (double pos, double lower, double upper)
static double	logscale_to_position (double val, double lower, double upper)
static double	logscale_to_position_with_steps (double val, double lower, double upper, uint32_t steps)
static double	position_to_logscale_with_steps (double pos, double lower, double upper, uint32_t steps)
static double	interpolate_linear (double from, double to, double fraction)
static double	interpolate_logarithmic (double from, double to, double fraction, double, double)
static double	interpolate_gain (double f, double t, double fraction, double upper)

Macro Definition Documentation

TINY_NUMBER

#define TINY_NUMBER   (0.0000001) /* (-140dB) */

Definition at line 26 of file control_math.h.

Function Documentation

gain_to_position()

static double gain_to_position ( double  g )

inlinestatic

Definition at line 30 of file control_math.h.

interpolate_gain()

static double interpolate_gain ( double  f, double  t, double  fraction, double  upper  )

inlinestatic

Definition at line 105 of file control_math.h.

interpolate_linear()

static double interpolate_linear ( double  from, double  to, double  fraction  )

inlinestatic

Definition at line 84 of file control_math.h.

interpolate_logarithmic()

static double interpolate_logarithmic ( double  from, double  to, double  fraction, double  , double    )

inlinestatic

Definition at line 90 of file control_math.h.

logscale_to_position()

static double logscale_to_position ( double  val, double  lower, double  upper  )

inlinestatic

Definition at line 59 of file control_math.h.

logscale_to_position_with_steps()

static double logscale_to_position_with_steps ( double  val, double  lower, double  upper, uint32_t  steps  )

inlinestatic

Definition at line 67 of file control_math.h.

position_to_gain()

static double position_to_gain ( double  pos )

inlinestatic

Definition at line 40 of file control_math.h.

position_to_logscale()

static double position_to_logscale ( double  pos, double  lower, double  upper  )

inlinestatic

Definition at line 50 of file control_math.h.

position_to_logscale_with_steps()

static double position_to_logscale_with_steps ( double  pos, double  lower, double  upper, uint32_t  steps  )

inlinestatic

Definition at line 75 of file control_math.h.