math_util.h File Reference

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

Go to the source code of this file.

Macros
#define	_USE_MATH_DEFINES
#define	to_radians(x)
#define	to_degrees(x)

Functions
static int	dequals_mag (double a, double b, double thresh)
static int	isq (int v)
static float	fsq (float v)
static double	sq (double v)
static double	sgn (double v)
static float	randf (void)
static float	signed_randf (void)
static int	irand (int bound)
static double	mod2pi_positive (double vin)
	Map vin to [0, 2*PI)
static double	mod2pi (double vin)
	Map vin to [-PI, PI)
static double	mod2pi_ref (double ref, double vin)
	Return vin such that it is within PI degrees of ref.
static double	mod360_positive (double vin)
	Map vin to [0, 360)
static double	mod360 (double vin)
	Map vin to [-180, 180)
static int	mod_positive (int vin, int mod)
static int	theta_to_int (double theta, int max)
static int	imin (int a, int b)
static int	imax (int a, int b)
static int64_t	imin64 (int64_t a, int64_t b)
static int64_t	imax64 (int64_t a, int64_t b)
static int	iclamp (int v, int minv, int maxv)
static double	dclamp (double a, double min, double max)
static int	fltcmp (float f1, float f2)
static int	dblcmp (double d1, double d2)

Macro Definition Documentation

_USE_MATH_DEFINES

#define _USE_MATH_DEFINES

to_degrees

#define to_degrees

(

x

)

Value:

( (x) * (180.0 / M_PI ))

to_radians

#define to_radians

(

x

)

Value:

( (x) * (M_PI / 180.0 ))

Function Documentation

dblcmp()

static int dblcmp ( double d1, double d2 )

inlinestatic

dclamp()

static double dclamp ( double a, double min, double max )

inlinestatic

dequals_mag()

static int dequals_mag ( double a, double b, double thresh )

inlinestatic

fltcmp()

static int fltcmp ( float f1, float f2 )

inlinestatic

fsq()

static float fsq ( float v )

inlinestatic

iclamp()

static int iclamp ( int v, int minv, int maxv )

inlinestatic

imax()

static int imax ( int a, int b )

inlinestatic

imax64()

static int64_t imax64 ( int64_t a, int64_t b )

inlinestatic

imin()

static int imin ( int a, int b )

inlinestatic

imin64()

static int64_t imin64 ( int64_t a, int64_t b )

inlinestatic

irand()

static int irand ( int bound )

inlinestatic

isq()

static int isq ( int v )

inlinestatic

mod2pi()

static double mod2pi ( double vin )

inlinestatic

Map vin to [-PI, PI)

mod2pi_positive()

static double mod2pi_positive ( double vin )

inlinestatic

Map vin to [0, 2*PI)

mod2pi_ref()

static double mod2pi_ref ( double ref, double vin )

inlinestatic

Return vin such that it is within PI degrees of ref.

mod360()

static double mod360 ( double vin )

inlinestatic

Map vin to [-180, 180)

mod360_positive()

static double mod360_positive ( double vin )

inlinestatic

Map vin to [0, 360)

mod_positive()

static int mod_positive ( int vin, int mod )

inlinestatic

randf()

static float randf ( void )

inlinestatic

sgn()

static double sgn ( double v )

inlinestatic

signed_randf()

static float signed_randf ( void )

inlinestatic

sq()

static double sq ( double v )

inlinestatic

theta_to_int()

static int theta_to_int ( double theta, int max )

inlinestatic