macros.h File Reference

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Macros
#define	MEMCHECK(x)   (((x) == NULL) ? 101 : 0 )
#define	FREE(x)   { if (x) { free(x); x = NULL; } }
#define	ABS(x)   (((x)<0) ? -(x) : (x)) /* absolute value of x */
#define	MIN(x, y)   (((x)<=(y)) ? (x) : (y)) /* minimum of x and y */
#define	MAX(x, y)   (((x)>=(y)) ? (x) : (y)) /* maximum of x and y */
#define	MOD(x, y)   ((x)%(y)) /* x modulus y */
#define	LOG10(x)   ((x) > 0.0 ? log10((x)) : (x)) /* safe log10 of x */
#define	SQR(x)   ((x)*(x)) /* x-squared */
#define	SGN(x)   (((x)<0) ? (-1) : (1)) /* sign of x */
#define	SIGN(x, y)   ((y) >= 0.0 ? fabs(x) : -fabs(x))
#define	UCHAR(x)   (((x) >= 'a' && (x) <= 'z') ? ((x)&~32) : (x))
#define	ARRAY_LENGTH(x)   (sizeof(x)/sizeof(x[0])) /* length of array x */
#define	CALL(x)   (ErrorCode = ((ErrorCode>0) ? (ErrorCode) : (x)))

Macro Definition Documentation

ABS

#define ABS

(

x

)

(((x)<0) ? -(x) : (x)) /* absolute value of x */

ARRAY_LENGTH

#define ARRAY_LENGTH

(

x

)

(sizeof(x)/sizeof(x[0])) /* length of array x */

CALL

#define CALL

(

x

)

(ErrorCode = ((ErrorCode>0) ? (ErrorCode) : (x)))

FREE

#define FREE

(

x

)

{ if (x) { free(x); x = NULL; } }

LOG10

#define LOG10

(

x

)

((x) > 0.0 ? log10((x)) : (x)) /* safe log10 of x */

MAX

#define MAX	(		x,
			y
	)		(((x)>=(y)) ? (x) : (y)) /* maximum of x and y */

MEMCHECK

#define MEMCHECK

(

x

)

(((x) == NULL) ? 101 : 0 )

MIN

#define MIN	(		x,
			y
	)		(((x)<=(y)) ? (x) : (y)) /* minimum of x and y */

MOD

#define MOD	(		x,
			y
	)		((x)%(y)) /* x modulus y */

SGN

#define SGN

(

x

)

(((x)<0) ? (-1) : (1)) /* sign of x */

SIGN

#define SIGN	(		x,
			y
	)		((y) >= 0.0 ? fabs(x) : -fabs(x))

SQR

#define SQR

(

x

)

((x)*(x)) /* x-squared */

UCHAR

#define UCHAR

(

x

)

(((x) >= 'a' && (x) <= 'z') ? ((x)&~32) : (x))