bits.h File Reference

Bit manipulation macros. More...

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Macros
#define	BIT_SET(x, y)   (x |= (1 << (y)))
	Note: IF x and y are constants the compiler will fully reduce the expression. More...
#define	BIT_CLR(x, y)   (x &= ~(1 << (y)))
#define	BIT_TST(x, y)   ((x & (1 << (y))) ? (int) 1 : (int) 0)

Detailed Description

Bit manipulation macros.

Edit History

• [1.1] [Mike Gore] Initial revision of file.

Copyright © 2014-2020 Mike Gore, Inc. All rights reserved.

Definition in file bits.h.

Macro Definition Documentation

BIT_CLR

#define BIT_CLR	(		x,
			y
	)		(x &= ~(1 << (y)))

Definition at line 18 of file bits.h.

BIT_SET

#define BIT_SET	(		x,
			y
	)		(x |= (1 << (y)))

Note: IF x and y are constants the compiler will fully reduce the expression.

Definition at line 17 of file bits.h.

BIT_TST

#define BIT_TST	(		x,
			y
	)		((x & (1 << (y))) ? (int) 1 : (int) 0)

Definition at line 19 of file bits.h.