mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-11-21 03:13:42 +08:00
27 lines
643 B
C
27 lines
643 B
C
/*
|
|
* Copyright 2018, University Corporation for Atmospheric Research
|
|
* See top level COPYRIGHT file for copying and redistribution conditions.
|
|
*/
|
|
/* $Id: fbits.h,v 1.2 1995/05/26 20:46:46 davis Exp $ */
|
|
|
|
#ifndef _FBITS_H_
|
|
#define _FBITS_H_
|
|
|
|
/*
|
|
* Macros for dealing with flag bits.
|
|
*/
|
|
#define fSet(t, f) ((t) |= (f))
|
|
#define fClr(t, f) ((t) &= ~(f))
|
|
#define fIsSet(t, f) ((t) & (f))
|
|
#define fMask(t, f) ((t) & ~(f))
|
|
|
|
/*
|
|
* Propositions
|
|
*/
|
|
/* a implies b */
|
|
#define pIf(a,b) (!(a) || (b))
|
|
/* a if and only if b, use == when it makes sense */
|
|
#define pIff(a,b) (((a) && (b)) || (!(a) && !(b)))
|
|
|
|
#endif /*!FBITS_H_*/
|