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/* Copyright 2018-2018, 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 */
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