round.h File Reference

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Macros
#define	ROUND_UP(X, STEP)   (((X) + (STEP) - 1) / (STEP) * (STEP))
	Yields X rounded up to the nearest multiple of STEP. More...
#define	DIV_ROUND_UP(X, STEP)   (((X) + (STEP) - 1) / (STEP))
	Yields X divided by STEP, rounded up. More...
#define	ROUND_DOWN(X, STEP)   ((X) / (STEP) * (STEP))
	Yields X rounded down to the nearest multiple of STEP. More...

Macro Definition Documentation

DIV_ROUND_UP

#define DIV_ROUND_UP	(		X,
			STEP
	)		(((X) + (STEP) - 1) / (STEP))

Yields X divided by STEP, rounded up.

For X >= 0, STEP >= 1 only.

Definition at line 10 of file round.h.

ROUND_DOWN

#define ROUND_DOWN	(		X,
			STEP
	)		((X) / (STEP) * (STEP))

Yields X rounded down to the nearest multiple of STEP.

For X >= 0, STEP >= 1 only.

Definition at line 14 of file round.h.

ROUND_UP

#define ROUND_UP	(		X,
			STEP
	)		(((X) + (STEP) - 1) / (STEP) * (STEP))

Yields X rounded up to the nearest multiple of STEP.

For X >= 0, STEP >= 1 only.

Definition at line 6 of file round.h.