mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-12-27 08:49:16 +08:00
23 lines
569 B
C
23 lines
569 B
C
/* Copyright 1996-2018, University Corporation for Atmospheric
|
|
* Research See netcdf/COPYRIGHT file for copying and redistribution
|
|
* conditions.
|
|
*
|
|
* This header file contains some macros for rounding numbers.
|
|
*
|
|
* Glenn Davis, 1996
|
|
*/
|
|
|
|
#ifndef _RND_H
|
|
#define _RND_H
|
|
|
|
/* useful for aligning memory */
|
|
#define _RNDUP(x, unit) ((((x) + (unit) - 1) / (unit)) \
|
|
* (unit))
|
|
#define _RNDDOWN(x, unit) ((x) - ((x)%(unit)))
|
|
|
|
#define M_RND_UNIT (sizeof(double))
|
|
#define M_RNDUP(x) _RNDUP(x, M_RND_UNIT)
|
|
#define M_RNDDOWN(x) __RNDDOWN(x, M_RND_UNIT)
|
|
|
|
#endif /* _RND_H */
|