Basic functions and macro definitions of IUF. More...

#include "iufTypes.h"

Macros
#define	IUF_MAX(a, b) ( ( (a) > (b) ) ? (a) : (b) )
	Determine maximum of a and b. More...

#define	IUF_MIN(a, b) ( ( (a) < (b) ) ? (a) : (b) )
	Determine minimum of a and b. More...

#define	IUF_MAX3(a, b, c) ( IUF_MAX( IUF_MAX((a),(b)), (c) ) )
	Maximum of a, b, c. More...

#define	IUF_MIN3(a, b, c) ( IUF_MIN( IUF_MIN((a),(b)), (c) ) )
	Minimum of a, b, c. More...

#define	IUF_MAX4(a, b, c, d) ( IUF_MAX( IUF_MAX((a),(b)), IUF_MAX((c),(d)) ) )
	Maximum of a, b, c, d with 3 comparisons. More...

#define	IUF_MIN4(a, b, c, d) ( IUF_MIN( IUF_MIN((a),(b)), IUF_MIN((c),(d)) ) )
	Minimum of a, b, c, d with 3 comparisons. More...

#define	IUF_CLIP(a, b, c) ( IUF_MIN( IUF_MAX((a),(b)), (c)) )
	Clip b between a and c, a < c. The alternate use where a is clipped between b and c is also valid. More...

#define	IUF_MEDIAN(a, b, c) ( IUF_MIN( IUF_MAX( IUF_MIN((a),(b)), (c)), IUF_MAX((a),(b))) )
	Determine median of a, b and c. More...

#define	IUF_ABS(a) ( ( (a) < (0) ) ? (-(a)) : (a) )
	Determine absolute value of a. More...

#define	IUF_MOD(val, mod) ( ( (val) + (mod) ) % (mod) )
	modulo (wrapped) value More...

#define	IUF_PI (3.14159265f)
	Pi as a floating pointer. More...

#define	IUF_FLT_EPS (1.19209290E-07f)
	a small flaot value More...

#define	IUF_MAXFLOAT (1.0E37f)
	the max floating point value More...

#define	IUF_MAX_STRING_LENGTH (1024)
	maximum string value More...

Detailed Description

Basic functions and macro definitions of IUF.

Macro Definition Documentation

◆ IUF_ABS

#define IUF_ABS ( a ) ( ( (a) < (0) ) ? (-(a)) : (a) )

Determine absolute value of a.

◆ IUF_CLIP

#define IUF_CLIP	(	a,
		b,
		c
	)	( IUF_MIN( IUF_MAX((a),(b)), (c)) )

Clip b between a and c, a < c. The alternate use where a is clipped between b and c is also valid.

◆ IUF_FLT_EPS

#define IUF_FLT_EPS (1.19209290E-07f)

a small flaot value

◆ IUF_MAX

#define IUF_MAX	(	a,
		b
	)	( ( (a) > (b) ) ? (a) : (b) )

Determine maximum of a and b.

◆ IUF_MAX3

#define IUF_MAX3	(	a,
		b,
		c
	)	( IUF_MAX( IUF_MAX((a),(b)), (c) ) )

Maximum of a, b, c.

◆ IUF_MAX4

#define IUF_MAX4	(	a,
		b,
		c,
		d
	)	( IUF_MAX( IUF_MAX((a),(b)), IUF_MAX((c),(d)) ) )

Maximum of a, b, c, d with 3 comparisons.

◆ IUF_MAX_STRING_LENGTH

#define IUF_MAX_STRING_LENGTH (1024)

maximum string value

◆ IUF_MAXFLOAT

#define IUF_MAXFLOAT (1.0E37f)

the max floating point value

◆ IUF_MEDIAN

#define IUF_MEDIAN	(	a,
		b,
		c
	)	( IUF_MIN( IUF_MAX( IUF_MIN((a),(b)), (c)), IUF_MAX((a),(b))) )

Determine median of a, b and c.

◆ IUF_MIN

#define IUF_MIN	(	a,
		b
	)	( ( (a) < (b) ) ? (a) : (b) )

Determine minimum of a and b.

◆ IUF_MIN3

#define IUF_MIN3	(	a,
		b,
		c
	)	( IUF_MIN( IUF_MIN((a),(b)), (c) ) )

Minimum of a, b, c.

◆ IUF_MIN4

#define IUF_MIN4	(	a,
		b,
		c,
		d
	)	( IUF_MIN( IUF_MIN((a),(b)), IUF_MIN((c),(d)) ) )

Minimum of a, b, c, d with 3 comparisons.

◆ IUF_MOD

#define IUF_MOD	(	val,
		mod
	)	( ( (val) + (mod) ) % (mod) )

modulo (wrapped) value

◆ IUF_PI

#define IUF_PI (3.14159265f)

Pi as a floating pointer.

Macros