You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.4 KiB
49 lines
1.4 KiB
/*
|
|
* Copyright (c) 2014-2021, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* SPDX-FileCopyrightText: Copyright (c) 2014-2021 NVIDIA CORPORATION
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/// \nodoc (keyword to exclude this file from automatic README.md generation)
|
|
|
|
#pragma once
|
|
|
|
#ifndef NVH_ALIGNEMENT_HPP
|
|
#define NVH_ALIGNEMENT_HPP 1
|
|
|
|
#include <stddef.h> // for size_t
|
|
|
|
namespace nvh {
|
|
template <class integral>
|
|
constexpr bool is_aligned(integral x, size_t a) noexcept
|
|
{
|
|
return (x & (integral(a) - 1)) == 0;
|
|
}
|
|
|
|
template <class integral>
|
|
constexpr integral align_up(integral x, size_t a) noexcept
|
|
{
|
|
return integral((x + (integral(a) - 1)) & ~integral(a - 1));
|
|
}
|
|
|
|
template <class integral>
|
|
constexpr integral align_down(integral x, size_t a) noexcept
|
|
{
|
|
return integral(x & ~integral(a - 1));
|
|
}
|
|
} // namespace nvh
|
|
|
|
#endif // !NVH_ALIGNEMENT_HPP
|
|
|