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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef NETUTILS_MATH_H
#define NETUTILS_MATH_H
#include <algorithm>
#include <cstdint>
namespace android {
namespace netdutils {
template <class T>
inline constexpr const T mask(const int shift) {
return (1 << shift) - 1;
}
// Align x up to the nearest integer multiple of 2^shift
template <class T>
inline constexpr const T align(const T& x, const int shift) {
return (x + mask<T>(shift)) & ~mask<T>(shift);
}
} // namespace netdutils
} // namespace android
#endif /* NETUTILS_MATH_H */
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