/home/laradmin/lar/utils/mit_darpa_logs_player/src/math_util.h File Reference

Math utilities that are required by other code. More...

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

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#define	to_degrees(x) ( (x) * (180.0 / M_PI ))
#define	to_radians(x) ( (x) * (PI / 180.0 ))
#define	TWOPI (2*PI)
#define	TWOPI_INV (0.5/PI)
static double	fclamp (double v, double minv, double maxv)
static int	iclamp (int v, int minv, int maxv)
static int	imax (int a, int b)
static int64_t	imax64 (int64_t a, int64_t b)
static int	imin (int a, int b)
static int64_t	imin64 (int64_t a, int64_t b)
static int	irand (int bound)
static double	mod2pi (double vin)
static double	mod2pi_positive (double vin)
static double	mod2pi_ref (double ref, double vin)
static float	randf ()
static double	sgn (double v)
static float	signed_randf ()
static double	sq (double v)
static int	theta_to_int (double theta, int max)

Detailed Description

Math utilities that are required by other code.

Definition in file math_util.h.

Define Documentation

#define to_degrees ( x ) ( (x) * (180.0 / M_PI ))

Definition at line 46 of file math_util.h.

#define to_radians ( x ) ( (x) * (PI / 180.0 ))

Definition at line 45 of file math_util.h.

#define TWOPI (2*PI)

Definition at line 79 of file math_util.h.

#define TWOPI_INV (0.5/PI)

Definition at line 78 of file math_util.h.

Function Documentation

static double fclamp	(	double	v,
		double	minv,
		double	maxv
	)			`[inline, static]`

Definition at line 143 of file math_util.h.

static int iclamp	(	int	v,
		int	minv,
		int	maxv
	)			`[inline, static]`

Definition at line 138 of file math_util.h.

static int imax	(	int	a,
		int	b
	)			`[inline, static]`

Definition at line 123 of file math_util.h.

static int64_t imax64	(	int64_t	a,
		int64_t	b
	)			`[inline, static]`

Definition at line 133 of file math_util.h.

static int imin	(	int	a,
		int	b
	)			`[inline, static]`

Definition at line 118 of file math_util.h.

static int64_t imin64	(	int64_t	a,
		int64_t	b
	)			`[inline, static]`

Definition at line 128 of file math_util.h.

static int irand ( int bound ) [inline, static]

Definition at line 70 of file math_util.h.

static double mod2pi ( double vin ) [inline, static]

Map v to [-PI, PI]

Definition at line 91 of file math_util.h.

static double mod2pi_positive ( double vin ) [inline, static]

valid only for v > 0

Definition at line 82 of file math_util.h.

static double mod2pi_ref	(	double	ref,
		double	vin
	)			`[inline, static]`

Return vin such that it is within PI degrees of ref

Definition at line 100 of file math_util.h.

static float randf ( ) [inline, static]

Definition at line 59 of file math_util.h.

static double sgn ( double v ) [inline, static]

Definition at line 53 of file math_util.h.

static float signed_randf ( ) [inline, static]

Definition at line 64 of file math_util.h.

static double sq ( double v ) [inline, static]

Definition at line 48 of file math_util.h.

static int theta_to_int	(	double	theta,
		int	max
	)			`[inline, static]`

Definition at line 105 of file math_util.h.