Macros

Macros
#define	MAX(a, b)
#define	MIN(a, b)
#define	CLAMP(val, min, max)
#define	ABS(x)
#define	DIFF(a, b)
#define	SWAP(a, b)

Detailed Description

Common math operations.

Macro Definition Documentation

ABS

#define ABS

(

x

)

Value:

(((x) < 0) ? -(x) : (x))

CLAMP

#define CLAMP	(		val,
			min,
			max )

Value:

(MIN(MAX((val), (min)), (max)))

DIFF

#define DIFF	(		a,
			b )

Value:

ABS((a) - (b))

MAX

#define MAX	(		a,
			b )

Value:

((a) > (b) ? (a) : (b))

MIN

#define MIN	(		a,
			b )

Value:

((a) < (b) ? (a) : (b))

SWAP

#define SWAP	(		a,
			b )

Value:

    do {                                                                       \
        a ^= b;                                                                \
        b ^= a;                                                                \
        a ^= b;                                                                \
    } while (0)