2011-12-22 16:19:25 +01:00
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/*
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* \brief Core-internal utilities
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* \author Martin Stein
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* \date 2011-03-17
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*/
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/*
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2013-01-10 21:44:47 +01:00
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* Copyright (C) 2011-2013 Genode Labs GmbH
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2011-12-22 16:19:25 +01:00
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__UTIL__MATH_H_
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#define _INCLUDE__UTIL__MATH_H_
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namespace Math
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{
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template <typename T>
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inline T round_up(T v, T rounding_log2);
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template <typename T>
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inline T round_down(T v, T rounding_log2);
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}
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template <typename T>
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T Math::round_up(T v, T rounding_log2)
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{
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return round_down(v + (1<<rounding_log2) - 1, rounding_log2) ;
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}
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template <typename T>
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T Math::round_down(T v, T rounding_log2)
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{
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return v & ~((1 << rounding_log2) - 1);
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}
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#endif /* _INCLUDE__UTIL__MATH_H_ */
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