2018-01-17 23:25:15 +08:00
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/* Copyright 1996-2018, University Corporation for Atmospheric
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* Research See netcdf/COPYRIGHT file for copying and redistribution
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* conditions.
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*
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* This header file contains some macros for rounding numbers.
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*
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* Glenn Davis, 1996
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2010-06-03 21:24:43 +08:00
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*/
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2018-01-17 23:25:15 +08:00
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2018-01-18 00:20:20 +08:00
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#ifndef _RND_H
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#define _RND_H
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2010-06-03 21:24:43 +08:00
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/* useful for aligning memory */
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#define _RNDUP(x, unit) ((((x) + (unit) - 1) / (unit)) \
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* (unit))
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#define _RNDDOWN(x, unit) ((x) - ((x)%(unit)))
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#define M_RND_UNIT (sizeof(double))
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#define M_RNDUP(x) _RNDUP(x, M_RND_UNIT)
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#define M_RNDDOWN(x) __RNDDOWN(x, M_RND_UNIT)
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2018-01-18 00:20:20 +08:00
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#endif /* _RND_H */
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