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Macro Definitions

Defines
#define	TYPECODE(maintype, subtype)   (((maintype)<<16) | (subtype))
#define	MAINTYPE(typecode)   (((typecode)>>16) & 0xFF)
#define	SUBTYPE(typecode)   ((typecode) & 0xFF)
#define	ITOF(x)   ((x)<<16)
#define	FTOI(x)   ((x)>>16)
#define	MAX(x, y)   (((x)>=(y))?(x):(y))
#define	MIN(x, y)   (((x)<=(y))?(x):(y))
#define	ABS(x)   ((x)<0?(-(x)):(x))

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Define Documentation

#define ABS (  x    )     ((x)<0?(-(x)):(x))

Computes the absolute value of a number.

#define FTOI (  x    )     ((x)>>16)

Converts a FIXED into an integer.

#define ITOF (  x    )     ((x)<<16)

Converts an integer into a FIXED.

#define MAINTYPE (  typecode    )     (((typecode)>>16) & 0xFF)

Get the maintype from a joined typecode.

#define MAX (  x, y    )     (((x)>=(y))?(x):(y))

Computes the maximum of x and y.

#define MIN (  x, y    )     (((x)<=(y))?(x):(y))

Computes the minimum of x and y.

#define SUBTYPE (  typecode    )     ((typecode) & 0xFF)

Get the subtype from a joined typecode.

#define TYPECODE (  maintype, subtype    )     (((maintype)<<16) | (subtype))

Connect maintype and subtype to one code.

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