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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_BASE_UTIL_H_
#define CC_BASE_UTIL_H_
#include <limits>
#include "base/basictypes.h"
namespace cc {
template <typename T> T RoundUp(T n, T mul) {
COMPILE_ASSERT(std::numeric_limits<T>::is_integer, type_must_be_integral);
return (n > 0) ? ((n + mul - 1) / mul) * mul
: (n / mul) * mul;
}
template <typename T> T RoundDown(T n, T mul) {
COMPILE_ASSERT(std::numeric_limits<T>::is_integer, type_must_be_integral);
return (n > 0) ? (n / mul) * mul
: (n == 0) ? 0
: ((n - mul + 1) / mul) * mul;
}
} // namespace cc
#endif // CC_BASE_UTIL_H_
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